Zeitschrift für Naturforschung / B / 43 (1988)znaturforsch.com/ab/v43b/c43b.pdfStudies on Organomercury(II) Complexes of Isoniacinamide S. BHATIA, N. K. KAUSHIK, and G. S. SODHI 318

Band 43 b Zeitschrift für Naturforschung 1988

Contents

C o n t e n t s of N u m b e r 1

Original Communications

N-Trimethylsilyl-iminotriphenylphosphorane Cop-per(II) Chloride, [Me3SiNPPh3 • CuCl2]2. Synthesis and Crystal Structure (In German) D . FENSKE , E . BÖHM , K . DEHNICKE , a n d J . STRÄHLE 1

Copper(I) Chloride Adducts of Phosphoranimines. The Crystal Structures of Ph3PNPh-CuCl and of 2,3-Bis(triphenylphosphoranylideneamino)maleic Acid N-Methylimide Copper(I) Chloride (In German)

A . MAURER, D . FENSKE, J . BECK, W . HILLER, J . STRÄHLE, E . BÖHM , a n d K . DEHNICKE 5

//-Nitrido Complexes of Tungsten(V). The Crystal Structure of (PPh4)2[W3Cl9Cu3-N)(0)(M2-NCl)]2 • 1,5 CH2C12 (In German) D . FENSKE, T H . GODEMEYER, a n d K . DEHNICKE 12

Preparation and Crystal Structure of the Bis(triethyl-ammonium)octasulfide, [HN(C2H5)3]2S8 (In German)

A . SCHLIEPHAKE, H . FALIUS, H . BUCHKREMER-HERMANNS , a n d P . BÖTTCHER 2 1

Acetals of Formyl Manganese Complexes (In German)

CHR. LÖWE , G . HUTTNER, L . ZSOLNAI , a n d H . BERKE 2 5

Synthesis and Properties of Some Silylethynylsilane; Molecular Structure of Tetrakis(trimethylsilyl-ethynyl)silane (In German) H . SCHMIDBAUR, J . EBENHÖCH , a n d G . MÜLLER 4 9

Lithium Dimethylamino Hydrido Aluminates: The Solution State in Diethylether, Tetrahydrofuran and Dimethyldiglycol Ether (In German) ST. BÖCK, H . NÖTH , a n d P . RAHM 5 3

Novel Iminoboranes and their Reactions (In German)

K . - H . VAN B O N N , T H . VON BENNIGSEN-MACKIEWICZ, J . KIESGEN, CHR. VON PLOTHO, a n d P . PAETZOLD 6 1 «

A Zintl Phase with Isolated SnSb48- Anions,

Na8SnSb4 (In German)

B . EISENMANN a n d J . KLEIN 6 9

Preparation and Structure of Bis(triphenylarsoranyl-idene) Ammonium Chloride (In German) H . W . ROESKY, N . BERTEL, F . EDELMANN, M . NOLTEMEYER, a n d G . M . SHELDRICK 7 2

Synthesis, Properties and Structure of New 1,1-Diphosphonic Acids (In German) H . BLUM 7 5

Electron Rich Olefins, 1. The Relationship between Structure, Spectroscopy, and Reactivity of Tet-rakis(trimethylsilylmethyl)ethene (In German)

H . - D . H A U S E N a n d W . KAIM 8 2

Linear Oligophosphaalkanes, XX. Alkali Metal and Trimethylsilyl Derivatives of PH-Functional Methylenebisphosphanes (In German) F . G O L , G . HASSELKUSS , P . C . KNÜPPEL , a n d O . STELZER 3 1

Synthesis and Crystal Structure of r-Butyloxytin(II) Chloride (In German) CHR. ZYBILL a n d G . MÜLLER 4 5

Structure and Vibrational Spectrum of the Potassium Undecatungstate K 6 H 4 W n 0 3 8 -11 H 2 0 (In German) T H . LEHMANN a n d J . FUCHS 8 9

Preparation and Vibrational Spectra of 13C and l sO Labelled rra«s-Dioxotetracyanoosmate(VI), [0s02(CN)4]2 _ (In German) W . PREETZ a n d C . SARTORI 9 4

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IV Contents

Alkaline-earth Squarates, VI. S rC 4 0 4 -3H 2 0 , Type III (In German)

CHR. ROBL 9 9

Synthesis of 9,9-Dimethyl-9-silaacridane and of Some Derivatives with Varied N-Side Chains (In German)

U . WANNAGAT a n d D . WIESE 1 0 4

A Chelate Ligand with a -NSSSN-Chain: Bis(ox-amido)trisulfane and its Copper(II) Complex (In German)

K . B R U N N , H . ENDRES , a n d J . WEISS 1 1 3

Radical Ions, 78. The Oxidative Desulfuration of Organic Cyclic Polysulfides to Disulfide Radical Cations in A1C13/H2CC12 Solution

H . BOCK, B . L . CHENARDS, P . RITTMEYER, a n d U . STEIN 1 1 7

Structure and Reactivity of Isoannellated Hetero-cyclic Systems with Ann- and (4n+2)7r-Electrons, XIV. Tri- and Tetracyclic Hetarenes with Localized of Delocalized Pyrrole Units (In German)

R . P . KREHER a n d T H . HILDEBRAND 1 2 5

Notes The Crystal Structure of TlBrI2(4-methylpyridine-N-

oxide)2

W . HILLER, A . CASTINEIRAS, M . E . GARC^A-FER-NANDEZ, M . R . BERMEJO, J. BRAVO , a n d A . S A N -CHEZ 1 3 2

A Rapid Method for the Quantitative Elimination of Chlorine or Bromine from Aqueous Acidic Solu-tions (In German)

W . BAUMGÄRTNER, Y . A . GAWARGIOUS , a n d K . BRODERSEN 1 3 4

The Crystal Structures of Ph3PNPh, [Ph3PN(H)Ph][AuI2] and of 2,3-Bis(triphenyl-phosphoranimino)maleic Acid-N-methylimide (In German) E . BÖHM, K . DEHNICKE, J . BECK, W . HILLER, J . STRÄHLE, A . MAURER , a n d D . FENSKE 1 3 8

Syntheses and Structure of Re(N AuCl)Cl2(PMe2Ph)3, a Complex with a Nitrido Bridge between Rhe-nium(V) and Gold(I) (In German)

G . BEUTER, U . ENGLERT , a n d J . STRÄHLE 1 4 5

Studies on the Polypseudohalides, V. Preparation and Crystal Structure of K[I(CN)2] (In German) K . - F . TEBBE a n d N . KRAUSS 1 4 9

Synthesis and High-Pressure Behaviour of Quater-nary Chalcogenide Haiides M2M'X3Y (M = Zn, Cd; M' = AI, Ga, In; X = Se, Te; Y = CI, Br, I) (In German)

K . - J . RANGE a n d K . HANDRICK 1 5 3

On the Existence of Discrete TeCl5~ Ions (In German)

T H . SCHÖNHERR 1 5 9

Synthesis, Characterization and Complexation Studies with K+ and Ca2+ Cations of trans-1.2-Cyclohexanedioxydiacetamides

W . O . L I N , M . C . B . V . DE SOUZA , a n d H . G . A L T 1 6 5

(Ph4P)2Mn2Br6 and (Ph3PCH2Ph)2Mn2I6 (Ph = C6H5) (In German)

S . POHL, W . SAAK , a n d P . STOLZ 1 7 1

Iodomanganates(II): Synthesis and Crystal Struc-tures of (Ph4P)MnI3L, MnI2L3, [MnIL5]I3 and [MnL6](I3)2 (In German)

P . STOLZ a n d S . POHL 1 7 5



The Crystal Structure of Calciumhexacyanofer-rate(II)-Hexamethylenetetramine-Water(l/l/6) Ca2[Fe(CN)6] • C6H12N4 • 6 H 2 0 (In German)

H . - J . MEYER a n d J . PICKARDT 1 3 5

Phase Relations and Intermediate Phases in the Al—Te System (In German)

R . KNIEP a n d P . BLEES 1 8 2

Preparation and Crystal Structure of [(NH3)5Rh(H704)Rh(NH3)5](S206)2 .5-H20 (1). A Mixed Aquopentaamminerhodium(III)-hy-droxopentaamminerhodium(III) Dithionate with a Novel /u-H704 Structural Unit (In German)

W . FRANK, T H . STELZER, a n d L . HECK 1 8 9

C o n t e n t s V

Trimethylsilylphosphites and Hexafluoroacetone: Phosphonates versus Dioxaphospholanes — 1:1 and/or 1:2 Adducts (In German) J. HEINE a n d G . - V . RÖSCHENTHALER 1 9 6

The Molecular Composition of Hydrophilic Sulfur Sols Prepared by Acid Decomposition of Thiosul-fate

R . STEUDEL, T H . GÖBEL , a n d G . HOLDT 2 0 3

Substituted Heptaarsanes(3) As7(Mme3)3 (M = Si, Ge, Sn) with Nortricyclene Structure (In German) W . HÖNLE, J. W o L F ,andH. G. VONSCHNERING 2 1 9

Reactions of the Organic Donor Tetra(methyl-thio)tetrathiafulvalene with Halides of Copper and Gold : (TTM-TTF)(CuI)2 , (TTM-TTF ) + [CuCl , ] _ , ( T T M - T T F ) 2 + [ A U C 1 4 ] 2 " a n d C 4 H 6 S 4 A U C 1 2

(In German)

K . B R U N N , H . ENDRES , a n d J . WEISS 2 2 4

Preparation of a Cyclic Ferrocene Derivative of Tungsten(VI) (In German) H . W . ROESKY, K . SWARAT, a n d F . EDELMANN 2 3 1

Studies on Enteric Anthelmintics: Impact of Single Point Structural Change on the Activity Profile A . M . K H A N , S . GUPTA, J . C . KATIYAR, M . SH. AKHTAR, V . L . SHARMA , a n d A . P . BHADURI 2 3 3

Notes

Na3OCl and Na3OBr, the First Alkali Metal Chal-cogenide Halides (In German) H . SABROWSKY, K . PASZKOWSKI, D . R E D D I G , a n d P . VOGT 2 3 8

New 1320637 Compounds (In German) K . - J . RANGE a n d K . HANDRICK

The Crystal Structure of CuSe2Cl W . MILIUS a n d A . RABENAU

2 4 0

243

Spectroscopic Evidence for Pseudorotation of Seven-Membered Chalcogen Rings in Solution R . STEUDEL, M . PAPAVASSILIOU, D . JENSEN , a n d K . SEPPELT 2 4 5



The Edge-bridged Tritetrahedral Selenostan-nate(IV) Anion [Sn3Se8]4-. Preparation and Struc-ture of K4Sn3Se8 (In German) W . S . SHELDRICK 2 4 9

Preparation and Crystal Structure of Zinc Azide-4-Methylpyridine (In German) F. A . M A U T N E R , H . KRiscHNER,andCH. KRATKY 253

Preparation and [l+4]-Cycloaddition of Methylthio-chlorophosphanes RP(Cl)SMe (R = Me, Et, Ph) (In German) J. APITZ, J. GROBE , a n d D . L E V A N 2 5 7

Coordination of the Tridentate Macrocyclic Ligand l-Thia-4,7-diazacyclononane to Palladium(II) and Platinum(II) (In German) P . HOFFMANN a n d R . MATTES 261

l,3,5-Tris(dimethylamino)benzene with Iodine and 1,3,5-Tricyanobenzene: An Unusual Dimerization and a "Normal" Donor/Acceptor-Complex (In German) H . J . KELLER, R . NIEBL , G . RENNER , D . VON DER R U H R , a n d D . SCHWEITZER 2 6 5

Synthesis and Structure of an Amine Stabilized Sul-fene, RHC=S0 2 N(CH2CH2)3CH (In German) U . HARTWIG, H . PRITZKOW, W . SUNDERMEYER , a n d J. W A L D I 2 7 1

Structure of a Homoborirene (In German) C H . P U E S , G . B A U M , W . M A S S A , a n d A . BERNDT 2 7 5

Reactions of Coordinated Ligands, IV. Cyclotriphosphane Complexes (RP)3[Cr(CO)5]OT (m = 1, 2, 3) by Dehalogenation of RPBr2Cr(CO)5 with Magnesium (In German) A . - M . HINKE , A . H I N K E , a n d W . KUCHEN 2 8 0

Preparation, Reactions, and Crystal Structure of (Me3NCH2Ph)2Fe2I6 and Fe2I4(SPPh3)2 • PhMe (Ph - CbHs, Me = CH3) (In German) W . SAAK , D . H A A S E , a n d S . POHL 2 8 9

Preparation of Alkylmethylphenylphosphines by the Method of Hewertson and Watson (In German) W . WOLFSBERGER 295

VI Contents

Synthesis of [LRe(CO)3]~ Complexes with Macro-cyclic Ligands. The Crystal Structures of 1,4,7-Triazacyclononane-tricarbonyl-rhenium(I) Thiocyanate and of 1,4,7-Trithiacyclononane-tricarbonyl-rhenium(I) Bromide Hemihydrate (In German)

C H . POMP, ST. DRÜEKE, H . - J . KÜPPERS, K . WIEGHARDT, C . KRÜGER, B . NUBER , a n d J. WEISS 2 9 9

Synthesis of l,2,3,4-Tetramethyl-l,4-diboracyclo-hexene-2 and Rearrangement to 1,2,3,4,5-Penta-methyl-2,3-dihydro-l,3-diborole (In German)

J . - K . U H M , H . RÖMICH , H . WADEPOHL , a n d W . SIEBERT 3 0 6

The Thermal Decomposition of Ammonium Meta-vanadate(V) in Open and Closed Systems K . - J . RANGE, R . ZINTL , a n d A . M . HEYNS 3 0 9

Studies on Organomercury(II) Complexes of Isoniacinamide

S . BHATIA , N . K . KAUSHIK , a n d G . S . SODHI 3 1 8

Organometallic Compounds of the Lanthanides, 41. The Crystal and Molecular Structure of (C5Me5)2HoCl(THF) (In German)

H . SCHUMANN, J . LOEBEL, D . VAN DER HELM , a n d M . B . HOSSAIN 3 2 3

Pseudohalogeno Metal Compounds, LXVIII. Reaction of Cyano Metal Acids NCAuCNH, (NC)4Pt(CNH)2, (NC)2M(CNH)4 (M = Fe, Ru. Os) and Co[bis(dimethylglyoximato)](CN)CNH with Epoxides: 2-Hydroxyalkylisocyanide and Ox-azolidine-2-ylidene Metal Complexes (In German)

W . WEIGAND , U . NAGEL , a n d W . BECK 3 2 8

rran5-4-Phenyl-3-buten-2-one from the African Har-vester Ant Messor galla (Mayr) (Hymenoptera: Formicidae)

T . O . OLAGBEMIRO, K . M . SANI, L . LAJIDE, M . O . A G O H , B . W . STADDON , a n d C . E . CHUKWU 3 3 9

Derivatives of Khellinonequinone and their Aflato-xigenic Activity

O . H . HISHMAT, S . S . MABROUK, A . M . M . NASEF, N . M . A . SHAYEB , a n d S . A . ISMAIL 3 4 3

Reactions of Mesoionic Five-Membered Heterocy-cles with o-Quinoid Compounds, VII. Thermal

[,T4 + ^T4]Cycloadditions of a Bicyclic Imid-azolo[l,2-c]thiazole System (In German)

W . FRIEDRICHSEN, B . - M . KÖNIG , a n d T . DEBAER-DEMAEKER 3 4 7

Podands, Coronands and Cryptands as New Com-plex-Ligands in Photoelectron Transfer Reactions. Synthesis and Photophysical Studies (In German)

H . D Ü R R , K . ZENGERLE , a n d H . - P . TRIER-WEILER 3 6 1

Notes

Novel Basic Ligands for the Homogenocatalytic Methanolcarbonylation, XV. (Ether-Phosphane)-Stabilized a'5-Dihydrido-rhodium(III) Complex (In German)

E . LINDNER a n d B . A N D R E S 3 6 9



Vibrational and Electronic Spectra of Bond-Isomeric Hexakis(thiocyanato(N)-thiocyanato(S))osmates-(III) and (IV) (In German)

K . BÜTJE a n d W . PREETZ 3 7 1

Preparation and Electrochemical Behaviour of All Bond-Isomeric Hexakis(thiocyanato(N)-thiocya-nato(S))osmates(III) and IV), [ O S ( N C S ) „ ( S C N ) 6 _ „ ] 3 - / 2 - , n = 0 - 6 , Including Stereoisomers (In German)


Compounds of Subvalent Main Group Metal Cations with Dithiolates, 1. Contribution. Dimorphic Lead(II) l,l-Dicyanoethylene-2,2-dithiolate: Preparation and Crystal Structures (In German)

H . - U . HUMMEL a n d H . MESKE 3 8 9

Crystal Structure of Triphenylmethyliodosulfane (C6H5)3CSI (In German)

R . MINKWITZ, H . PREUT , a n d J . SAWATZKI 3 9 9

Methyl(trifluoromethyl)halosulfonium Salts. Halo-gen = F, CI, Br, I (In German)

R . MINKWITZ a n d A . WERNER 4 0 3

Contents VII

La2Ta04Cl3 — a New Oxochlorotantalate with TaO s Building Units (In German) U . SCHAFFRATH a n d R . G R U E H N 4 1 2

Radical Ions, 79. ESR Evidence for Tetra(methyl-thio)thiophene and Tetra(methylthio)ethene Rad-ical Cations During the Oxidative Sulfuration of H 3 C S - C = C - S C H 3 by S2C12/A1C13 and H3CSC1/A1C13 (In German)

H . BOCK a n d P . RITTMEYER 4 1 9

Reactive E=C(p—p)7r-Systeme, XVI. Trimethyl-stannylphosphanes of the Type Me3SnP(R)CF3 (R = Me, Et) as Phosphaalkene Precursors (In German)

J . GROBE a n d J . SZAMEITAT 427

Pentamethylcyclopentadienyl, Acetylcyclopenta-dienyl and Indenyl Dicarbonyl Acetylene Com-plexes of Vanadium. Molecular Structure of C9H7V(CO)2PhC2H (In German) H . G . A L T , H . E . ENGELHARDT, A . RAZAVI , M . D . RAUSCH , a n d R . D . ROGERS 4 3 8

Synthesis and Structure of Trichloro(phthalo-cyaninato)tantalum(V) (In German) F . GINGL a n d J . STRÄHLE 4 4 5

Contribution to the Chemistry of Boron, 190. Syn-thesis and Molecular Structure of 1,2-Di-hydrodiboretes and Azadiboretidines (In German) B . GLASER, E . P . MAYER , H . NÖTH, W . RATTAY, a n d U . WIETELMANN 4 4 9

Structural Distortion of Fe4S4I22~ Clusters through

Iodine-Iodine Contacts: Crystal Structures of (Ph4P)2Fe4S4I4 and (Me3NCH2Ph)2Fe4S4I4 (In German)

S . POHL a n d W . SAAK 4 5 7

Sr5Al2Sb6 and Ba5In2Sb6: Two New Zintl Phases with Different Chain Anions (In German)

G . CORDIER a n d M . STELTER 4 6 3

Metal Complexes with S4N4 Ligands: The Structures of Two Complexes of Composition [TiCl4(S4N4)]2 (In German)

U . I HEWALT a n d K . H O L L 4 6 7

Crystal Structure and Magnetic Property of the Binuclear Manganese(III) Complex with ju-Ace-tate and Di-^-Alkoxo Bridges

Y . NISHIDA, N . OSHINO , a n d T . TOKII 4 7 2

On the Synthesis and Electrochemical Properties of Some New Bipyridinium and Related Compounds R . BAUER , P . NUSSBAUMER , a n d M . N E U M A N N -SPALLART 4 7 5

Mannich Reaction with 5,5-Dimethyl-3-phenyl-amino-2-cyclohexen-l-one W . S . HAMAMA , M . HAMMOUDA , a n d E . M . AFSAH 4 8 3

The Molecular Structure of {[P(C6H5)3]2RhOH} r2C6H6 (In German)

H . - A . BRUNE , R . HEMMER , J . U N S I N , K . H O L L ,

a n d U . THEWALT 4 8 7

Mercuric Oxide-Iodine Oxidation of 6/?-Hydroxy-pregnanes. Influence of the C-5 Functionality

A . L . BRACHET-COTA a n d G . BURTON 4 9 1

Notes The Crystal Structure of Rb2Ca(N3)4 • 4 H 2 0

(In German) F . A . MAUTNER , H . KRISCHNER, a n d C H . KRATKY

497

Formation of Water Soluble Histidine Platinum Complexes from Metallic Platinum and Histidine (In German)

E . EHRENSTORFER-SCHÄFERS, H . HARTL , a n d W . BECK 4 9 9



Contributions to the Chemistry of Boron, 189. The Crystal and Molecular Structure of Bis(l,3-dithia-borolan-2-yl)sulfide (In German) H . NÖTH, H . POMMERENING, a n d R . STAUDIGL 5 0 1

Nitrogen Compounds of Elements of the Third Main Group with Intra- and Intermolecular Donor Ac-ceptor Bonds, V. Special Gallium and Indium Amides with Alkoxo Groups (In German) M . VEITH a n d J . PÖHLMANN 5 0 5

ESCA Studies of N,N'-Thiobisamines and of Some of its Chromium Carbonyl Complexes

G . GONZALEZ , C. DfAZ, and H . BINDER 513

V I I I C o n t e n t s

Synthesis and Structure of the First Three-Mem-bered Ring Containing Arsenic, Phosphorus and Platinum (In German)

F . EDELMANN, C . SPANG , H . W . ROESKY , a n d P . G . J O N E S 5 1 7

Properties and Crystal Structure of Cesium Hydrox-ide with Methanol CsOH • CH 3 OH (In German)

R . MARX 521

Synthesis and Crystal Structure of [l,3-Bis(4-eth-oxyphenyl)triazenido]pyridino Silver(I), a Di-meric Complex with a Short Silver-Silver Contact (In German)

E . HARTMANN a n d J . STRÄHLE 5 2 5

Synthesis and Structure of Cesium l,5-Bis(/?-tolyl)-pentaazadienide, Cs+(tolN5tol)~ (In German)

R . SCHMID, J . BECK , a n d J . STRÄHLE 5 2 9

Synthesis and Structure of l,5-Bis(tolyl)pentaaza-dienido Complexes of Iron(II) and Ruthenium(I): [Fe(tolN5tol)2]2 and [Ru(CO)3(tolN5tol)]2

(In German)

R . SCHMID a n d J . STRÄHLE 5 3 3

Benzoato Complexes of Iron and Cobalt. Synthesis and Properties of Fe3(C6H5COO)4(acac)2, F e ( C 6 H 5 C O O ) 2 a n d C o ( C 6 H 5 C O O ) 2 , C r y s t a l Structure of Fe3(C6H5COO)4(acac)2 and C O ( C 6 H 5 C O O ) 2 (In German)

M . SPOHN a n d J . STRÄHLE 5 4 0

Mixed Esters of Boric Acid with Amino Alcohols and Diols (In German)

G . HELLER a n d K . SEEGER 5 4 7

On Hexacoordinated Mixed Halogeno Anions of Te(IV): Crystallographic and Raman Spectro-scopic Investigation of Rb2TeBr3 5C12 5

(In German)

W . ABRIEL a n d H . EHRHARDT 5 5 7

Chemistry and Structural Chemistry of Phosphides and Polyphosphides, 49. Formation and Structure of the Henicosaphosphide [Li(12-Crown-4)2]3P21(THF)2 (In German)

G . FRITZ, H . - W . SCHNEIDER, W . HÖNLE , a n d H . G . VON SCHNERING 5 6 1

Complexes of l-Thia-4,7-diazacyclononane (L) with Lead(II), Indium(III), Thallium(I) and (III). Crystal Structure of [LPb][PbBr4] (In German)

P . HOFFMANN, F . - J . HERMES , a n d R . MATTES 5 6 7

1,1-Disilylethane, CH3CH(SiH3)2 (In German)

H . SCHMIDBAUR a n d R . HAGER 5 7 1

Bond Isomeric Hexakis(selenocyanato(N)-seleno-cyanato(Se)) Osmates(III) , [Os(NCSe)„(SeCN)6_„]3~, n = 0 - 3 (In German)


Detection of Reactive Sulfur Molecules (S6, S7, S9, S*) in Commercial Sulfur, in Sulfur Minerals, and in Sulfur Melts Slowly Cooled to 20 °C

R . STEUDEL a n d B . H O L Z 5 8 1

Reactivity of [(CH3)2N]6W2 ( W = W ) Towards CS2/S8

and CS2/Se8. X-Ray Structure Analysis of [(CH3)2NCS2]2W(S)(S2) (In German)

M . L . ZIEGLER, K . BLECHSCHMITT, H . BOCK, E . GUGGOLZ , a n d R . P . KORSWAGEN 5 9 0

Organometallic Compounds with o-Phenylene Sub-stituents, Part XV. Hexamethoxy-tetrachalcoge-na-tetrahydropentacenes (In German)

P . BERGES a n d G . KLAR 5 9 9

NMR Spectroscopic Investigation Concerning the Problem of Valence Isomerism between 1,2-Dithiine and (Z)-But-2-ene-l,4-dithione (In German)

R . RADEGLIA , H. POLESCHNER, andW. SCHROTH 605

The Electrochemical Synthesis of Neutral Zinc(II) Complexes of Schiff Base Ligands: The Crystal Structure of Bis[N-(4-methylphenyl)salicylaldi-minato]zinc(II)

T . SOGO, J . ROMERO , A . SOUSA , A . DE BLAS, M . L . D U R Ä N , a n d E . E . CASTELLANO 6 1 1

Synthesis of 5-Alkylidene-2,3-pyrrolidinediones (In German)

H . POSCHENRIEDER a n d H . - D . STACHEL 6 1 6

Allo-Compounds with Unusual Behaviour in Gas Chromatography Using Chiral Stationary Phase (In German)

E . KÜSTERS a n d W . RAHMEN 6 1 9

Contents IX

Evaluation of the 2NH2A—T Pair in Hybridization, I. Synthesis of the DNA/RNA Hybrid Oligomers Containing 2-Aminoadenosines

K . KIKUCHI, Y . TANIYAMA , a n d R . MARUMOTO 6 2 3

Detection of Corticosteroids in Fat of Badger and of Alp-Marmot (In German)

H . WAGNER a n d D . NUSSER 6 3 1

Notes Reaction of [(?73-C4H7)PdCl]2 with Se(SiMe3)2. The

Crystal Structure of [(?73-C4H7)6Pd6Se3] (In German) D . FENSKE, A . HOLLNAGEL , a n d K . MERZWEILER

6 3 4

Preparation and ESR Spectra of Manganese(III) Complexes with 2-[Bis(benzimidazol-2-ylmethyl)-amino]ethanol

Y . NISHIDA, N . OSHINO , a n d T . TOKII 6 3 7

The Infrared Spectrum of Tetraseleniumtetranitride, Se4N4 (In German)

J. A D E L , C H . ERGEZINGER, R . FIGGE, a n d K . D E H -NICKE 6 3 9



Hydrogenations and Dehydrogenations in the Sys-tem Benzonitrile/Ru3(CO) 12/Benzylamine (In German)

W . BERNHARDT a n d H . VAHRENKAMP 6 4 3

New Synthetic Routes to B4H10 and B5H9 (In German)

B . BRELLOCHS a n d H . BINDER 6 4 8

Transition Metal Carbyne Complexes, XC. Synthesis of New, Seven Coordinated, Cationic Tungsten Carbyne Complexes in a Higher Oxidation State (In German)

A . C. FLILIPPOU, E. O. FISCHER , andH. G. A L T 6 5 4

Dehalogenation of Bis(diisopropylamino-chloro-boryl)methane: Solvent-dependent Formation of a

1,2,4,5-Tetraborinane and of a l-Aza-2,4-di-borolidine Derivative (In German) H . FISCH , H . PRITZKOW, a n d W . SIEBERT 6 5 8

Organometallic Lewis Acids, XXXV. Formation and Stucture of Chalcogen Bridged Metal Complexes: [{(7/5-C5H5)(OC)2Fe}2SeSe{Fe(CO)2(^5-C5H5)}]+BF4~ and [(7/5-C5H5)(OC)2FeS(R)Re(CO)5]+BF4- (R = Me, Ph) (In German)

P . M . FRITZ, W . BECK, U . NAGEL, K . POLBORN, W . A . HERRMANN, C H . HECHT , a n d J . ROHRMANN

665

Alkali-Polyketene-Enolate, a Polyacetylene Deriva-tive (In German) H . P . FRITZ a n d P . DAVID 6 7 1

N-Chloro-Nitrene Complexes of Tungsten: W C 1 4 ( N C 1 ) and [CH3CN-WC14(NC1)] (In German) A . GORGE, K . DEHNICKE , a n d D . FENSKE 6 7 7

Trinuclear Complexes Containing a Ferrocene-1,1'-dithiolato Bridge (In German) M . HERBERHOLD a n d J . OTT 6 8 2

Boron Compounds, LXXXI. New Organoboron Sul-fides — Preparation and Uses (In German) R . KÖSTER a n d G . SEIDEL 6 8 7

Concerning the Structures of the Copper Weberites Na2CuCrF7 and Na2CuFeF7 (In German)

S . KUMMER , W . M A S S A , a n d D . BABEL 6 9 4

Complexes of Silver(I) Salts with Naphthalino(cy-clo)phanes, Structure Determination of (rac-[2] (1,5)Naphthalino[2]paracyclophane)silver(I) Perchlorate (In German)

H . SCHMIDBAUR, W . BUBLAK, M . W . H A E N E L , B . HUBER , a n d G . MÜLLER 7 0 2

Synthesis and Multinuclear NMR Spectroscopy of Some Four- and Five-Membered Tin—Nitrogen Heterocycles (In German) C . STADER, B . WRACKMEYER, a n d D . SCHLOSSER

707

Transition Metal Substituted Diphosphenes, XIV. On the Reactivity of the Diphosphenyl Complex (//5-C5Me5)(CO)2Fe—P=P—Ar (Ar = 2,4,6-f-

X Contents

Bu3C6H2) towards Sulfur, Selenium, and Tel-lurium. Synthesis and X-Ray Structure Analysis of the First Thioxo-A^-diphosphenyl Complex (rj C 5 Me 5 ) (CO) 2 Fe-P(=S) (=P-Ar ) (In German)

L . WEBER , G . MEINE, R . BOESE , a n d N . NIEDER-PRÜM 7 1 5

Synthesis of the First Square-planar Vinylidene Complexes of the Vaska Type. Crystal and Molecular Structure of trans-[RhCl( = C=CHMe)(PPr'3)2] (In German)

H . WERNER , F . J . G . ALONSO , H . OTTO , a n d J. WOLF 7 2 2

Syntheses and Reactions of [1.4]Diazepino[6.5-c]-quinolines (In German)

W . - H . G Ü N D E L a n d S . BOHNERT 7 6 9

Synthesis of Quaternary Salts from 3,3'-Bipyridine and Dibromoalkanes

S . K . SINGH, L . A . SUMMERS, a n d L . A . HICK 7 7 8

Synthesis of Quaternary Salts from 4,7-Phenan-throline and Dibromoalkanes

S . K . SINGH , L . A . SUMMERS, a n d L . A . HICK 7 8 5

1,3-Digermapropane and 1,3,5-Trigermacyclo-hexane (In German)

H . SCHMIDBAUR, J. ROTT, G . REBER , a n d G . M Ü L -LER 727

Complexes with Substituted 2,5-Dihydroxy-p-benzo-quinones: The Layer Compound Ca[C6(/-C3H7)204H]2 • 2/3 H , 0 (In German)

C H . ROBL a n d G . M . SHELDRICK 7 3 3

Reaction of Sodium-dimethyl-bismuthide with a,w-Dibromoalkanes and Halogenomethyl-trimethyl-metallanes (M = Si, Ge, Sn) (In German)

M . WIEBER a n d K . RUDOLPH 739

Tetrakis-pentamethylcyclopentadienyl-cyclotetrasti-bane (PcpSb)4: Synthesis, Molecular and Crystal Structure (In German)

T H . F . BERLITZ, H . SINNING, J. LORBERTH, a n d U . MÜLLER 7 4 4

Ketenylidenetriphenylphosphorane Complexes (In German)

H . LINDENBERGER, R . BIRK, O . ORAMA, G . HUTT-NER , a n d H . BERKE 7 4 9

Tricyclic /3-Lactames, VI. Synthesis and Structure of 5,6,6-Trimethyl-2,3-benzo-4-thia-l-aza-bicyclo-[3.2.0]heptane-7-one, a New Basicskeleton of ß-Lactames (In German)

G . SANTER , K . - H . ONGANIA , K . HOFER , a n d A . GIEREN 7 5 8

Synthesis of Novel U6- and H4,2,4,6-Thiatriazines from S,S-Diorganosulfodiimides (In German) M . HAAKE a n d W . JÜRGLER 7 6 3



Concerning the Stereochemistry of Iodoarse-nates(III). Preparation and Crystal Structures of [«Bu4N]2[As2I8], [pyH][AsI4] and [Et3NH]4[As8I28] (In German)

W . S . SHELDRICK, H . - J . HÄUSLER , a n d J . KAUB 7 8 9

Dichlorocyclopropenone as Stable Complex Ligand. The Crystal Structure of [NbOCl3 • OC3Cl2]4 (In German)

U . PATT-SIEBEL , H . THULLEN , U . MÜLLER , a n d K . DEHNICKE 7 9 5

Dianion of a Methylenediborirane, Synthesis of its Alkali and Magnesium Salts and Structure of its Dipotassium Salt (In German)

H . MEYER, G . SCHMIDT-LUKASCH, G . B A U M , W . M A S S A , a n d A . BERNDT 8 0 1

Preparation and Crystal Structure of Some Tetracarboxylatoaurates(III) (In German)

P . G . JONES, R . SCHELBACH, E . SCHWARZMANN, C . THÖNE , a n d A . VIELMÄDER 8 0 7

Fe4S4I2(SPPh3)2: a Neutral, Mixed Terminal Ligand Iron-Sulfur Cluster (In German)

W . SAAK a n d S . POHL 8 1 3

Synthesis and Structure of l,3-Bis(4-trifluoromethyl-phenyl)triazenido Complexes of Copper(I) and Silver(I) (In German) E . HARTMANN a n d J . STRÄHLE 8 1 8

Contents XI

Reactions of Substituted Vinyl Cations in Acetoni-trile Solution as Studied by Flash Photolysis S . KOBAYASHI, Q . Q . Z H U , a n d W . SCHNABEL 8 2 5

Reactions of Zintl-Phases with Trimethylphosphine Complexes. Structures Containing Planar Metal-locycles Co2X2 (X = S, Se, Te) (In German) H . - F . KLEIN, M . G A S S , U . KOCH, B . EISENMANN, a n d H . SCHÄFER 8 3 0

Cyclobutadiene-Homologous Diazadiboretidines as Ligands to Transition Metals (In German) P . PAETZOLD , K . DELPY , a n d R . BOESE 8 3 9

On the Coordination of Different Main Group Met-als with a Special, Chelating Silazane (In German) M . VEITH , F . GOFFING , a n d V . H U C H 8 4 6

A Further Silicate Anion: [Si(NCSe)6]2~ (In German)

W . HEININGER , K . POLBORN, a n d G . NAGORSEN 8 5 7

The Preparation and Metal Complexing Properties of Isonitrile-Functionalized Polystyrene Resins

M . BERRY, J . CSORBA, R . K . CHAMPANERIA , a n d J . A . S . HOWELL 8 6 2

Conformational and Configurational Isomers of Sub-stituted 3-Oxa-7-azabicyclo[3.3. l]nonan-9-ones (In German)

U . ASHAUER-HOLZGRABE a n d T H . BUSCH 8 7 3

Liquid Crystalline Carbohydrate Dithioacetals (In German)

A . ECKERT, B . KOHNE , a n d K . PRAEFCKE 878

Investigations on the Formation of Liquid Crystals by Distyrylbenzenes with Alkoxy Chains (In German)

H. MEIER , E. PRASS , G. ZERBAN , andF. KOSTEYN 889

Synthesis of 2-Acetoacetyl- and 2-Oxaloacetyl-l,3-indandiones and Related Compounds

W . S . HAMAMA , M . HAMMOUDA , a n d E . M . A F S A H 897

Synthesis and X-Ray Analysis of the (S) Enantiomer of Methyl 5-Hydroxy-3,ll-di-2-pyridyl-4,5-dihydro-1 H,3 H-2,6-methano-6-benz[c]azocinecarboxylate Q4H13N3O3 and of the Corresponding Camphanic Acid Ester C34H35N306

K . - F . HESSE , U . HOLZGRABE, a n d B . PIENING 9 0 1

Structure of a New Eudesmane Sesquiterpene Ar-gutinin from Pluchea arguta Boiss

V . U . A H M A D a n d K . FIZZA 9 1 1

Notes Molecular Structure of (o-Trimethylsilylbenzyl)-

diphenylphosphine (In German) G . REBER, J . RIEDE , a n d G . MÜLLER 9 1 5

Alkylations of Trichloromethylketones Effected by Trichloroacetate and a Complex Consecutive Reaction (In German)

E . V . DEHMLOW a n d H . - C H . RATHS 9 1 8

Note on Mono- and Bisadducts of Diketene to ( —)-Menthone (In German) E . V . DEHMLOW a n d A . SLEEGERS 9 2 1

Comparison of NMR Parameters of Phosphaalkynes and Nitriles (In German) B . WRACKMEYER 9 2 3



Di(«-phosphido)cobalt and Nickel Compounds with Trimethylphosphine Ligands (In German) H . - F . KLEIN , M . G A S S , U . Z U C H A , a n d B . EISEN-MANN 9 2 7

N ,N' -Bis(diphenylphosphino)-S ,S-dimethylsul-fodiimine — a Ligand for Cyclic Transition Metal Complexes (In German) H . W . ROESKY , M . ZIMMER, R . HERBST , a n d G . M . SHELDRICK 9 3 3

Synthesis and Structure of an Unusual Molybdenum Heterocycle by Substitution of a Phenyl Ring in orf/zo-Position (In German) U . SCHOLZ , M . NOLTEMEYER, a n d H . W . ROESKY

937

Reactions of the Higher Halides of Niobium, Molyb-denum and Tungsten with the Phosphorus-Ylid (Et2N)3P=CH2 - X-Ray Structure of [(Et2N)3PCH2]2

2+[WC16]2- (In German) H . W . ROESKY , B . M A I N Z , M . NOLTEMEYER, a n d G . M . SHELDRICK 9 4 1

XII Contents

[Fe(C0)4C(0)NMe2][C(NMe2)3]; the First Structure Determination on an Organometallic Compound with the Carbenium Ion [C(NMe2)3]+ (In German) R . BOESE, D . BLÄSER , a n d W . PETZ 9 4 5

The Reaction of Cyanogen with Cd(II) Ions. X-Ray Structure Analysis of [Cd{(CN)2}2S02][AsF6]2 (In German)

H . W . ROESKY, J. SCHIMKOWIAK, M . NOLTEMEYER, a n d G . M . SHELDRICK 9 4 9

Element-Element Bonds, IV. Molecular and Crys-tal Structure of Tetramethyldiphosphane and -diarsane (In German) O . M Ü N D T , H . RIFFEL, G . BECKER , a n d A . SIMON

952

Studies on Ring Contraction of the 1,4-Dithia-2,6-diaza-3,5-diborinane System (In German)

C . HABBEN , A . MELLER , a n d ST. PUSCH 9 5 9

Aluminiumbromide-Pyridiniumbromide Compounds: Crystal Structure. Crystal Structure Determina-tion of [Tris(pyridinium)bromide]bis(tetrabromo-aluminate(III)) (In German)

H . BURGER , K . H E N S E N , a n d P . PICKEL 9 6 3

Polymorphism of Tellurium(IV) Iodide (In German)

R . KNIEP, H . J. BEISTER, a n d D . W A L D 9 6 6

Synthesis, Properties and Crystal Structure of (NH4)NbOBr4 (In German) M . HÖRNER , W . HILLER , J . STRÄHLE, a n d G . M . SHELDRICK 9 8 1

Unsymmetrically Substituted Phosphino Sulfur Diimides - NMR Studies on the Configuration in Solution (In German) M . HERBERHOLD, ST . M . FRANK , a n d B . WRACK-MEYER 9 8 5

Complexes with Aromatic Carboxylic Acids, IV. Ca2[C6H2(COO)4] • 6 H 2 0 - A Novel Layer Struc-ture (In German)

C H . ROBL 9 9 3

On the Stereochemistry of the Lone-Pair Electrons in AX^E-Systems, VIII. Statically Distorted An-ion in [H3N(CH2)3NH3]3(BiX6)2(H20)2 with X = CI, Br (In German)

A . DU Bois and W. ABRIEL 1003

Triazaphosphinines — Reactions, Zwitter Ions, P-B-Exchange (In German) M . MEYER, U . KLINGEBIEL , J . KADEL , a n d H . OBERHAMMER 1 0 1 0

NaGaSn5, a New Zintl Phase Containing Ga—Sn Helices (In German) W . BLASE a n d G . CORDIER 1 0 1 7

Synthesis and Properties of ferr-Butyltriiodosilane (In German) M . BAUDLER, U . A R N D T , a n d D . GRENZ 1 0 2 0

Polymorphism of TbCl3 (In German)

H . GUNSILIUS , H . BORRMANN , A . SIMON , a n d W . U R L A N D 1 0 2 3

Synthesis and Crystal Structure of (Cyclopentadi-enyl)(dicarbonyl)(l,5-di-/?-tolyl-pentaazadienido)-molybdenum, (Cp)Mo(CO)2(tolN5tol) (In German)

J . BECK 1 0 2 9

[Fe(phen)3]2Sb6I22- 2CH3CN: An Iodoantimonate with Central [Sb6I6]-Double Cube (phen = 1,10-Phenanthrolin) (In German)

S . POHL, D . HAASE , R . LÖTZ , a n d W . SAAK 1 0 3 3

Synthesis and Activity of Juvenile Hormone Analo-gues (JHA) J . B . RODRIGUEZ , E . G . GROS , a n d A . M . STOKA

1038

raeso-Substituted Porphyrins, 5. Basket Porphyrins (In German)

H . VOLZ a n d M . HASSLER 1 0 4 3

The Crystal Structure of Potassium Nickel Arsenate; KNiAs0 4

A . M . BUCKLEY , S . T . BRAMWELL, P . D A Y , a n d W . T . A . HARRISON 1 0 5 3

Preparation of Dichalcogenostibanes of the Type RSb(ER')2 (R = CH3, C2H5; E = S, Se; R' = CH3, C6H5) (In German)

H . J . BREUNIG a n d S . G Ü L E ^ 9 9 8

Nicotinamide Nucleotides in Different Types of Human Cataractous Lenses

T . SARWAT , M . A . RAHMAN , a n d T . H . KIRMANI 1056

Contents XIII

The Structure and Absolute Configuration of Cy-clotirucanenol, a New Triterpene from Euphorbia tirucalli Linn

A . Q . KHAN, Z . A H M E D , N . - H . KAZMI, A . MALIK, a n d N . A F Z A 1 0 5 9

Ceramide-l-phosphoethanolamines from Myxococ-cus stipitatus (In German) J. STEIN a n d H . BUDZIKIEWICZ 1 0 6 3

Notes

Synthesis and Crystal Structure of PPh3Me[HS04] (In German) F . SCHMOCK, A . EL-KHOLI , U . MÜLLER , a n d K . DEHNICKE 1 0 6 9

High-field (500 MHz) 'H NMR Spectra of Retinoic Acids and Arotinoids by Two-dimensional Chemi-cal Shift Correlation (2D) Spectroscopy B . PERLY, G . C . PAPPALARDO, M . K L A U S , a n d E . MONTONERI 1 0 7 2

Reactions of Secondary Amines with Lithium Tetra-hydridoaluminate (In German) G . LINTI, H . NÖTH , a n d P . RAHM 1 1 0 1

Tetrakis[bis(trimethylsilyl)methyl]dialane(4), a Compound with an Aluminium—Aluminium Bond (In German) W. U H L 1113

The Crystal Structure of N,N,N'-Tris(trimethylsilyl)-benzamidine, as well as the Synthesis and Crystal Structure of Dichloroantimony-N,N'-bis(trimeth-ylsilyl)benzamidinate (In German) C H . ERGEZINGER, F . WELLER , a n d K . DEHNICKE

1119

Synthesis and Crystal Structure of [Na-15-Crown-5][MoF5(NCl)j (In German)

D . FENSKE, K . VOLP , a n d K . DEHNICKE 1125


Preparations and Structures of Four-Membered Metal-Nitrogen Rings (In German) H . W . ROESKY , U . SESEKE , M . NOLTEMEYER, a n d G . M . SHELDRICK 1 1 3 0

Molecular and Crystal Structure, and EPR Studies of Tetraphenylarsonium [Bis-(l,3-dithia-2-one-4,5-dithiolato)-nickelate], (AsPh4)[Ni(dmid)2] R . VICENTE, J . RIBAS, C . ZANCHINI, D . GATTESCHI, J . - P . LEGROS, C . FAULMANN , a n d P . CASSOUX

1137


Syntheses and Structures of the Sterically Over-loaded Disiloxanes and Disilazanes (fBu3Si)20, (rBu3Si)2NH, (fBu3SiNHSifBu2)20 (In German) N . WIBERG , E . K Ü H N E L , K . SCHURZ , H . BORR-MANN , a n d A . SIMON 1 0 7 5

Electron Rich Olefins, 2. Structure and Electron Transfer Reactivity of the Cyclically a/yr-Hyper-conjugated Carbosilane 3,3,6,6-Tetrakis(trimeth-ylsilyl)-l,4-cyclohexadiene (In German)

H . - D . H A U S E N , C H . BESSENBACHER , a n d W . KAIM 1087

Synthesis and Crystal Structures of the Spirocyclic Polyselenido Complexes [Na-15-Crown-5]2[M(Se4)2] with M = Zink, Cad-mium, and Mercury (In German)

Iodoantimonates of Composition A+Sb2I7 : Discrete Anions in (Me4N)4Sb8I28 and (Me3S)4Sb8I28, Poly-meric Chains in (Me3NCH2Ph)Sb2I7 (Me = CH3, Ph = C6H5) (In German) S . POHL , R . LÖTZ , D . H A A S E , a n d W . SAAK 1 1 4 4

Synthesis of Cyclopentadecasulfur (S15) from Titanocene Pentasulfide and Sulfuryl Chloride (In German) R . STRAUSS a n d R . STEUDEL 1 1 5 1

Na5SnSb3 and K8SnSb4, Two Zintl Phases with Tetra-hedral Building Blocks SnSb4 (In German) B . EISENMANN a n d J . KLEIN 1 1 5 6

Adducts of Alkaline Metal Hexacyanoferrates with Hexamethylenetetramine: The Crystal Structures of Na3[Fe(CN)6] • 2 C6H12N4 • 5 H 2 0 and K3[Fe(CN)6] • 2 C6H12N4 • 4 H 2 0 (In German)

J. A D E L , F . WELLER , a n d K . DEHNICKE 1 0 9 4 H . - J . MEYER a n d J . PICKARDT 1161

XIV Contents

Crystal Structures of Octacyanomolybdates(IV), I. Ag4(NH3)5Mo(CN)8- l ,5H20 (In German)

W . MESKE a n d D . BABEL 1 1 6 7

Synthesis and Crystal Structure of (PhN3)2C6H4[(OH)Ni(PhN3H)2C6H4]2 • 2 THF, a Dimeric Ni(II) Complex with a Bridging Bis-triazenido Ligand (In German)

M . HÖRNER, H . FENNER , W . HILLER , a n d J . BECK 1174

Crystal and Molecular Structure of N,N'-Bis(l,3-di-methylbenzo[b]-l,3,2-diazaborolidin-2-yl)carbodi-imide (In German)

G . SAWITZKI, W . EINHOLZ , a n d W . HAUBOLD 1 1 7 9

Bioinorganic Model Complexes for Metalloproteins of Iron(III) and Manganese(III): Synthesis, Magnetism and Crystal Structures of [L2Fe2(acac)2Ca-0)](C104)2, [L'Mn(acac)(OC2H5)]BPh4 and [L'Mn(acac)(0H2)](C104)2 (L = 1,4,7-Triazacy-clononane, L' = N,N',N"-Trimethyl-l,4,7-triaza-cyclononane) (In German)

K . WLEGHARDT, K . POHL, U . BOSSEK, B . N U B E R , a n d J . WEISS 1 1 8 4

Synthesis and Molecular Structure of the Binuclear rert-Butyliminovanadium(IV) Complexes: [('C4H9N)2V2Cp2X2] (X = OrC4H9, CI) (In German)

F . PREUSS , H . BECKER, J . K A U B , a n d W . S . SHEL-DRICK 1 1 9 5

The Reactions of Hydroxyl Radicals with 1,4- and 1,3-Cyclohexadiene in Aqueous Solution. A Pulse Radiolysis and Product Study X . - M . P A N , E . BASTIAN , a n d C . v . SONNTAG 1 2 0 1

Notes

Pseudohalogeno Metal Compounds, LXXI. Hexa-azidoplumbate(IV). Crystal Structure of [AsPh4]2[Pb(N3)6] (In German)

K . POLBORN, E . LEIDL , a n d W . BECK 1 2 0 6

Application of Mikhailov's Allyloboration Route to Iminoboranes (In German)

P . PAETZOLD, J . KIESGEN, C H . V. PLOTHO , a n d H . SCHWAN 1 2 0 9

Reductive Cleavage of Aryl-O- and Aryl-Cl-Bonds by C8K: a Potential Method for the Degradation of Dioxins

M . LISSEL, J . M . RABINOVITZ

KOTTMANN, D . TAMARKIN, and 1211



Reaction of [Cp2TiCl2] and [CpTiCl3] with E(SiMe3)2 (E = S, Se). The Crystal Structures of [Cp3Ti2S2Cl], [Cp3Ti2S2Cl2], [Cp3Ti2Se2Cl] and [Cp4Ti4Se70] (In German)

P . G . M A U Ü a n d D . FENSKE 1213

The Crystal Structures of (1,5-Ditolylpentaaza-dienido)(triphenylphosphane)gold(I) and 1,5-Di-tolyl-3-methylpentaazadien (In German)

J . BECK 1 2 1 9

Antiprismatic and Dodecahedral Oktaaquo Cations of Calcium and Strontium in the Crystal Structures of Tetrahalogeno Cadmates and Mercurates (In German)

G . THIELE a n d D . PUTZAS 1 2 2 4

[Na- 15-Crown-5] [MOF2C12(N3S2)] ; Synthesis and Crystal Structure (In German) K . VÖLP , G . B A U M , W . M A S S A , a n d K . DEHNICKE

1235

Electron Transfer and Ion Pairing, 7. Contact Ion Pairs of Sulfur-Containing Radical Anions (In German)

H . BOCK , P . H Ä N E L , H . - F . HERRMANN , a n d H . TOM DIECK 1 2 4 0

Electron Transfer and Ion Pairing, 8. 107 109Ag ENDOR Couplings and Redox Behaviour of the Radical Contact Ion Pair from Bis(triphenyl-phosphino)silver(I) Cation and 3,5-Di(terr-butyl)-o-benzosemiquinone Anion (In German)

H . BOCK, B . HIERHOLZER , a n d D . JACULI 1 2 4 7

Preparation and Crystal Structure of Ca5Ga2N4 (In German)

G . CORDIER 1 2 5 3

Contents XV

Monoolefincobalt(O) Complexes (In German) H . - F . KLEIN , G . LULL, B . RODENHÄUSER , G . COR-DIER, a n d H . PAULUS 1 2 5 6

Preparations and Spectroscopic Characterization of Fluoro(trifluoromethylsulfenyl)phosphonium Salts, CF3SPH2F+MF6- (M = As, Sb) (In German)

R . MINKWITZ a n d A . LIEDTKE 1 2 6 3

Novel Basic Ligands for the Homogeneous Catalytic Carbonylation of Methanol, XIX. Cobalt Cata-lyzed Carbonylation of Methanol to Acetic Acid (In German)

E . LINDNER, J . - P . REBER , a n d P . WEGNER 1 2 6 8

A New Synthesis and the Molecular Structure of (l,2,3-Triphenyltriphosphane-l,3-diyl)zircono-cene(IV), [(775-C5H5)2Zr(PPh-PPh-PPh)] (In German)

E. HEY 1271

Synthesis of the Eight-Membered Stibino-Sulfur Diimide Ring 'BuSb(NSN)2Sb'Bu and Some of its Carbonylmetal Derivatives (In German) M . HERBERHOLD a n d K . SCHAMEL 1 2 7 4

Syntheses and Crystal Structures of [PPh3Me]N02 and [PPh3Me]HC02 H 2 0 (In German) M . E L ESSAWI, H . GOSMANN, D . FENSKE, F . SCHMOCK, a n d K . DEHNICKE 1 2 7 9

Phosphorus Compounds with Unusual Coordina-tion, 31. Cycloaddition of Diazo Compounds onto a P-Chloro-phosphaalkene (In German) W . SCHNURR a n d M . REGITZ 1 2 8 5

On the Reaction of Phosphorylides with Homo-dinuclear Organometallic Compounds of Molyb-denum and Tungsten (In German)

K . ENDRICH, P . ALBURQUERQUE, R . P . KORS-WAGEN , a n d M . L . ZIEGLER 1 2 9 3

Compounds of Transition Metal Ketenes, XXXII. Synthesis of Cationic ^2-Phosphinocarbene Com-plexes via Decarbonylation of Tungsta-phospha-bicyclo[l. 1.0]butanone Hexafluorophosphate Compounds (In German)

F . R . KREISSL a n d M . WOLFGRUBER 1 3 0 7

Hydrated Cyanoelpasolites: Bis(tetramethylammo-nium)diaqualithium-hexacyanometallates(III) of Manganese, Iron and Cobalt (In German)

M . WITZEL, B . ZIEGLER , a n d D . BABEL 1 3 1 1

c/oso-Halogenohydrohexaborate, IV. Protonation, Deuteration and Vibrational Spectra of closo-Hexaborates (In German) W . PREETZ, A . HEINRICH , a n d J . THESING 1 3 1 9

Preparation and Vibrational Spectra of Alkyl and Rhodano Hydrohexaborates (In German) A . HEINRICH a n d W . PREETZ 1 3 2 7

Studies on the Chemistry of Isoindoles and Isoin-dolenines, XXXII. Electrophilic Substitution Re-actions of 2-Aryl-2H-isoindoles with Trifluoro-acetic Anhydride (In German) R . P . KREHER, U . FELDHOFF , a n d F . JELITTO 1 3 3 2

Carnivora: The Primary Structure of the Major and Minor Hemoglobin Components of Adult North Persian Leopard (Panthera pardus sexicolor) A . A H M E D , M . JAHAN, G . BRAUNITZER , a n d R . GÖLTENBOTH 1 3 4 1

Marine Natural Products, IX. A New Halogenated Sesquiterpene Pinnatifidone from the Red Alga Laurencia pinnatifida S . B A N O , M . S . A L I , a n d V . U . A H M A D 1 3 4 7

Nitriles in Heterocyclic Synthesis: New Approaches for Synthesis of Some Pyridine Derivatives N . S . IBRAHIM, R . M . MOHAREB , a n d H . Z . SHAMS

1 3 5 1

Biocatalytical Transformations, III. Regioselective Enzymic Deacetylations of Laevoglucosane Tri-acetate R . CSUK a n d B . I . GLÄNZER 1 3 5 5

Biosynthesis of Riboflavin. A Simple Synthesis of the Substrate and Product of the Pyrimidine Deaminase and of Structural Analogs P . NIELSEN a n d A . BACHER 1 3 5 8

Notes

Fe(II) in Water: a Proposal for Dimerization A . MEAGHER 1 3 6 5

XVI Contents

Amphiphilic Carbohydrate-based Mesogens, 3. D-Mannitol-l-O-rc-Alkyl Ethers with Hydroxy and l -O —D-Mannityl End-Groups: Novel Double-Headed Thermotropic Liquid Crystals

W . V . DAHLHOFF 1 3 6 7

Contributions to the Chemistry of Boron, 195. Syn-thesis, Structure and Reaction of a 1,3,2,4-Aza-13-phosphadiboretidine Derivative (In German)

P. Kölle, H. Nöth, R. T. Paine, and W. Rattay 1439



Metal Complexes with Tetrapyrrole Ligands, LII. Synthetic and Electrochemical Investigations on Praseodymium-bis(octaethylporphyrinate) Systems (In German)

J. W. Buchler, M. Kihn-Botulinski, and B. Scharbert 1371

127I Solid-State NMR Investigations on (a7-C4H9)4NI04 and («-C4H9)4PI04 (In German) P. K. Burkert and M. Grommelt 1381

Perchlorinated Poly-arylene Derivatives (In German)

H. P. Fritz and Th. Trübenbach 1386

Organorhenium Halogenides: Synthesis, Structure and Reactivity upon Treatment with Alkynes (In German)

W. A. Herrmann, R. A. Fischer, J. K. Felix-berger, R. A. Paciello, P. Kiprof, and E. Herdt-weck 1391

Selective Metalation of Bicyclo[3.2.1]octa-2,6-diene, II. Distannylated Derivatives and Stannylated Tricyclic Secondary Products (In German)

N. Hertkorn and F. H. Köhler 1405

Functional Trimethylphosphine Derivatives, XXVI. Silyl-substituted Phosphinomethanes and Lithium-phosphinomethanides (In German)

H. H. Karsch, A. Appelt, B. Deubelly, K. Zellner, J. Riede, and G. Müller 1416

Diolefinbis(trimethylphosphine)cobalt(0) Compounds: Stable Organometallic Radicals with Distorted Ground State Structures

H.-F. Klein, M. Helwig, U. Koch, G. Lull, M. Tadic, C. Krüger, and P. Hofmann 1427

Synthesis and Crystal Structure of [(C6Et6)(C6H5Me)GaGaCl4] • 1/2 (C6Et6): A Mixed Bis(h6-arene)gallium(I) Complex (In German)

H. Schmidbaur, R. Nowak, B. Huber, and G. Müller 1447

Metal Complexes with Biologically Important Ligands, XLVIII. Palladium(II)- and Platinum(II)-Complexes of a,b-Dehydro- and b-Chloro-a-amino Acid Derivatives and of O-Acetyl-L-serine (In German)

N. Steiner, U. Nagel, and W. Beck 1453

s-Ferrocenyl Complexes of the Early Transition Metals — Synthesis and Structure (In German)

M. Wedler, H. W. Roesky, F. T. Edelmann, and U.Behrens 1461

Storing of the Labile Silaethene Me2Si=C(SiMe3)2 with Benzophenone (In German)

N. Wiberg, G. Preiner, K. Schurz, and G. Fischer 1468

Formation of a Tetraphospholane via Phosphaalkene by LiSnPh3-Catalyzed Transfer of PhP Units (In German)

K.-H. Zirzow and A. Schmidpeter 1475

Preparation and Properties of Monofluoramine, H2NF (In German)

R. Minkwitz and R. Nass

[l,4,2]Diazaphospholidines (In German)

E. Fluck, P. Kuhm, and H. Riffel

1478

1481

New Transition Metal Complexes with the Ligand Ph2S=N (In German)

H. W. Roesky, M. Zimmer, H. G. Schmidt, and M. Noltemeyer 1490

Polysulfonylamines, XII. N-Acyl Dimesylamines (Carboxylic Acid N.N-Dimesylamides) (In German)

A. Blaschette, D. Koch

F. Safari, K. Linoh, and 1495

Contents XVII

Reactions of Titanium Tetrachloride with Bistrimethylsilyl Sulfide. Crystal Structures of (NEt4)2[TiSCl4], (PPh4)2[TiSCl4] -2CH,C12, (PPh4)2[Ti30(S2)3Cl6] • CH3CN and Ti4Ö(S2)4Cl6 (In German)

V. Krug, G. Koellner, and U. Müller 1501

Preparation and Properties of Some New Organo-indium Methylenestannyl Compounds (In German)

H. Schumann, R. Mohtachemi, and M. Schwich-tenberg 1510

Intramolecular Thermal Rearrangement of Harmine Hydroiodide to a New Anhydronium Base, Methylharmol

S. Siddiqui, N. Sultana, and A. Malik 1514

[M(II)([15]Crown-5)(L)2]++ Complexes - The Influ-ence of the Crown Ether Cavity on the Mobility of the Ligands L (In German) F . L . DICKERT, W . GMEINER , a n d M . FEIGL 1 5 5 1

On the Knowledge of the System CsF/CuF2: On C S 7 C U 6 F 1 9 (In German)

D . KISSEL a n d R . HOPPE 1 5 5 6

Nd7 33Ta8028Cl6 — an Intermediate Product of the Thermal Decomposition of Nd2Ta207Cl2: Prepara-tion, Crystal Structure and Magnetic Properties (In German) U . SCHAFFRATH a n d R . GRUEHN 1 5 6 7

Syntheses of Eight-Membered Metallacycles with a M(NSN)2M-Frame (M = Zr, Hf) (In German) H . PLENIO a n d H . W . ROESKY 1 5 7 5



Rhodium-centered Formation of a Cyclobutenyl Ligand and Rearrangement to a Cyclopentadienyl Complex (In German)

J . MÜLLER, M . TSCHAMPEL , a n d C . KRÜGER 1 5 1 9

Reaction of Some P(I I I ) -OSiMe 3 Compounds with Hexafluoroacetone (In German) N . WEFERLING a n d R . SCHMUTZLER 1 5 2 4

Structures and Vibrational Spectra of Novel Tungstophosphates (In German) J. FUCHS a n d R . PALM 1 5 2 9

Eight-Coordination of Cadmium(II) and Secondary Metal—Ligand Bonds in [Cd(N03)2(C12H22N6)] and [Cd(C12H22N6)2](BF4)2 (In German) H . STRASDEIT a n d S . POHL 1 5 7 9

Silverdiammine Disilver Hexacyanometallates(III): Edge-Sharing Tetrahedra Ag2N6 in the Different Structures of Iron and Cobalt Complex (In German)

B . ZIEGLER, K . SEITZ , a n d D . BABEL 1 5 8 9

Rhodium(I) Complexes with 2,5-Difurfurylpyrrole Ligands (In German) E . LINDNER, H . W . SCHNEIDER , R . FAWZI, U . ENGLERT , a n d W . HILLER 1 5 9 8

Na3AlAs2, a Zintl Phase with SiS2-Isosteric Anions (In German)

G . CORDIER a n d H . OCHMANN 1 5 3 8

Isomeric Tetranuclear Molybdenum—Tungsten — Sulfurclusterdithiophosphinates (In German) A . D E E G , H . KECK , A . K R U S E , W . KUCHEN , a n d H . WUNDERLICH 1 5 4 1

Refinement of the Crystal Structure of UTe2 (In German)

H . P . BECK a n d W . DAUSCH 1 5 4 7

N,N'-Bis(trimethylsilyl)benzamidinato Complexes of Titanium and Zirconium. The Crystal Struc-tures of [C6H5-C(NSiMe3)2MCl3]2; M = Ti, Zr (In German)

D . FENSKE , E . HARTMANN , a n d K . DEHNICKE 1 6 1 1

Molybdenumnitridetrichloride-2,3,3-trichloroacryl-nitrile, [MoNCl3-NC-C2Cl3]2 Synthesis, IR Spec-trum, and Crystal Structure (In German)

A . KHABOU, K . DEHNICKE, K . FINDEISEN , a n d D . FENSKE 1 6 1 6

XVIII Contents

Amidinato Complexes of Boron. Aluminium. Gal-lium, Indium, and Tin. The Crystal Structures of Ph-C(NSiMe3)2AlCl2 and Ph-C(NSiMe3)2SnCl3 (In German)

C H . ERGEZINGER. F . WELLER . a n d K . DEHNICKE 1621

Cu2[Ph-C(NSiMe3)2]2 , an Amidinato Complex with a Short Cu---Cu Distance (In German)

S . MAIER, W . HILLER, J. STRÄHLE, C H . ERGEZIN-GER, a n d K . DEHNICKE 1 6 2 8

Participation of Phosphonate Neighbour Groups with Dehydrogenations of Amines (In German)

H . MÖHRLE a n d W . VETTER 1 6 6 2

On the Chemistry of Phorbol. XIX. Preparation of Tritium-Labelled 12-0-Retinoylphorbol-13-ace-tate ([20-3H]-RPA) G . L . TREMP a n d E . HECKER 1 6 7 2

N-Chloro-Nitrene Complexes of Tungsten: Synthe-ses and Crystal Structures of PPh,Me[ClAV(NCl)] and (PPh4)3{[Cl?W(NCl)]2Cl} • CC14- 4CH 3CN (In German)

A . GORGE, U . PATT-SIEBEL, U . MÜLLER , a n d K . DEHNICKE 1 6 3 3

Polysulfonylamines, XIII. N-Acylonium Salts of Di-mesylamine: Synthesis and Mass Spectra (In German)

A . BLASCHETTE, K . LINOH , F . SAFARI, a n d H . - M . SCHIEBEL 1 6 3 9

"B NMR Spectra of Alkyl-, Halogeno- and Rhodanohydrohexaborates (In German)

A . HEINRICH , W . PREETZ, a n d H . C . MARSMANN 1647

Metallocene o-Phenylenebis(phenylphosphido) Che-lates of Molybdenum and Tungsten (In German)

H . KÖPF a n d V . RICHTERING 1 6 5 3

Structure and Reactivity of Isoannelated Heterocy-clic Systems with Ann- and (4/;+2).T-Electrons, XVII. Diels-Alder and Michael Addition Reac-tions of 3-Alkoxy-2,4-dihydropyrrolo[3,4-b]in-doles with Dialkyl Acetylenedicarboxylates (In German)

G . DYKER a n d R . P . KREHER 1 6 5 6

Notes

The Amino- and Azidoboration of Iminoboranes (In German)

P. PAETZOLD, H . - U . MEIER , H . SCHWAN , a n d C H . V. PLOTHO 1 6 7 6

The Reaction of N,N,N'-Tris(trimethylsilyl)benzamidine with Cop-per(II) Chloride. Crystal Structure of {C6Hs-C(NSiMe3)2CuCl-[QH5-C(NSiMe3)(NHSiMe3)]} (In German)

E . HEY, C H . ERGEZINGER, a n d K . DEHNICKE 1 6 7 9

Molecular and Crystal Structure of l,l-Diethyl-3.5-dimethyl-lA6,4,2,6,3,5-dithiadiazadiborine (In German)

C . D . HABBEN a n d M . NOLTEMEYER 1 6 8 3

E r r a t a in t h i s V o l u m e To D. Sellmann et al. (42 b, 1298 (1987)) 641

Subject Index 1685

Authors Index 1714

Documents

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