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1980 (345)
161Author    GeorgiY. Papanov, PeterY. Malakov, Teucrium Chamaedrys, L., Clerodane, Norclerodane Diterpenes, TeucrinA., E., TeuchamaedrinA., B.Requires cookie*
 Title    Furanoid Diterpenes in the Bitter Fraction of Teucrium chamaedrys L  
  Reference    Z. Naturforsch. 35b, 764—766 (1980); received December 13 1979 
  Published    1980 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0764.pdf 
 Identifier    ZNB-1980-35b-0764 
 Volume    35 
162Author    R. K. Kanjolia, V. D. GuptaRequires cookie*
 Title    Study on Trimethylsiloxyalkanols  
 Abstract    Trimethylsiloxyalkanols Trimethylsiloxyalkanols and their tributyltin(IV) derivatives have been synthesized and the nature of the species present in solution has been discussed on the basis of spectral data. 
  Reference    Z. Naturforsch. 35b, 767—770 (1980); received November 7 1979/January 14 1980 
  Published    1980 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0767.pdf 
 Identifier    ZNB-1980-35b-0767 
 Volume    35 
163Author    Günter Engel, Jutta BelgardtRequires cookie*
 Title    Über zwei Bleiantimonphosphate mit Eulytinstruktur: Pb3Sb in (P04)3 und PbnSb v (P04)9 On two Lead Antimony Phosphates with Eulytine Structure: Pb3Sbn I (P04)3 and PbiiSb v (P04)9  
 Abstract    Two lead antimony phosphates have been prepared, which both crystallize with the cubic eulytine structure. Pb3Sb m (P04)3 has the lattice constant a= 1037.2 pm and PbnSb v (P04)9 has a — 1037.5 pm. The X-ray diffraction diagrams appear nearly identical. In their chemical and thermal behaviour these compounds differ in a characteristic manner, however. The relatively large cell volume of Pb3Sb(P04)3 is attributed to the very distinct stereochemical activity of the lone electron pair of Sb 3+ . 
  Reference    Z. Naturforsch. 35b, 771—772 (1980); eingegangen am 1. November 1979 
  Published    1980 
  Keywords    Lead Antimony Phosphates, Eulytine Type, Preparation, Redox Behaviour 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0771_n.pdf 
 Identifier    ZNB-1980-35b-0771_n 
 Volume    35 
164Author    Tilman Haider, Hans-Dieter Hausen, Johann WeidleinRequires cookie*
 Title    Synthese und Struktur von Bi s(dimethyIgallinm)N.N' -dimethy ldithio- oxamid Preparation and Structure of Bis (dimethy lgallium )N ,N' -dimethy ldithio- oxamide  
 Abstract    Bis (dimethy lgallium)N ,N' -dimethy ldithio -oxamide, Preparation, Structure Monomerie Bis(dimethylgallium)N,N'dime-thyldithiooxamide has been prepared by the reaction of Ga(CH3)3 and [HN(CH3)C(= S)-]2 in a 2:1 molar ratio. Two configurational isomers are formed and according to the X H NMR and vibrational spectra both forms of these molecule consist of two fused five-membered rings, with an almost planar structure. The preliminary results of the X-ray structure determination are given. 
  Reference    Z. Naturforsch. 35b, 773—774 (1980); eingegangen am 21. Januar 1980 
  Published    1980 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0773_n.pdf 
 Identifier    ZNB-1980-35b-0773_n 
 Volume    35 
165Author    Jürgen HusterRequires cookie*
 Title    Die Kristallstruktur von BaTiS3 Crystal Structure of BaTiS3  
 Abstract    BaTiS3, black single crystals, (a = 675.6(1), c = 579.8(1) pm, Z — 2, space group P6a/mmc, 4-circle-diffractometer 1° < 6 < 24°, AgKa, 72=3.1%) is isotypic with BaNi03, BaVS3, BaTaS3. 
  Reference    Z. Naturforsch. 35b, 775 (1980); eingegangen am 6. Februar 1980 
  Published    1980 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0775_n.pdf 
 Identifier    ZNB-1980-35b-0775_n 
 Volume    35 
166Author    Werner Liese, Kurt Dehnicke, Ingeborg Walker, Joachim SträhleRequires cookie*
 Title      
 Abstract    The title compound is prepared by treating ReNCL with excess POCI3. The complex is isotypic with the corresponding tungsten com-plex [WNCI3 • P0C13]4 • 2 POCI3. The structure consists of Re4N4 eight-membered rings with alternating Re = N-Re bonds. The IR spectrum was recorded and assigned. 
  Reference    Z. Naturforsch. 35b, 776—777 (1980); eingegangen am 23. Januar 1980 
  Published    1980 
  Keywords    Preparation, IR Spectrum, Crystallographic Data, Rheniumnitridchlorid POCl3-Solvate 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0776_n.pdf 
 Identifier    ZNB-1980-35b-0776_n 
 Volume    35 
167Author    Reinhard Matthes, Hans-Uwe SchusterRequires cookie*
 Title    Ternäre Natriumphasen mit Cadmium bzw. Quecksilber und Zinn bzw. Blei Ternary Sodium Phases with Cadmium or Mercury and Tin or Lead  
 Abstract    Four ternary sodium phases with the formula Na2BX (B = Cd, Hg; X = Sn, Pb) were prepared and structurally investigated. The structures of the cubic phases Na2HgSn, Na2CdPb and Na2HgPb (space group F43m) are closely related to LiaBi, that of Na2CdSn (space group P63mmc) to the hexagonal structure of NaßAs. 
  Reference    Z. Naturforsch. 35b, 778—780 (1980); eingegangen am 8. Februar 1980 
  Published    1980 
  Keywords    Ternary Intermetallic Phases, Sodium, Cadmium, Mercury, Tin, Lead, Crystal Structures 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0778_n.pdf 
 Identifier    ZNB-1980-35b-0778_n 
 Volume    35 
168Author    0. A. KunzeRequires cookie*
 Title    On the Role of the Electronic Bulk Properties of Semiconducting Minerals in their Interaction with Electrolytes  
 Abstract    The presence of small amounts of copper in galena-electrolyte systems leads to similar effects as those which can be ascribed to variations in the bulk electronic properties of semiconducting minerals. It is shown how trace amounts of copper can influence reproducibly the dissolu-tion rate, the electrical polarizability and the rest potential of galena. 
  Reference    Z. Naturforsch. 35b, 781—783 (1980); received December 28 1979 
  Published    1980 
  Keywords    Galena, Copper Contamination, Rest Potential, Dissolution 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0781_n.pdf 
 Identifier    ZNB-1980-35b-0781_n 
 Volume    35 
169Author    T.Stanley Cameron, Christine Chan, Jean-Francois Labarre, Marcel GraffeuilRequires cookie*
 Title    Cyclophosphazenes as Novel Antitumour Agents: Geometry of the Hexaziridinocyclotriphosphazene, N3P3Az6, from an X-ray Investigation of the Benzene Clathrate  
 Abstract    Cyclophosphazenes, Antitumour Agents Hexaziridinocyclotriphosphazene forms a 2:1 clathrate with benzene. The benzene makes a sandwich between the two phosphazene mole-cules with the planes of the rings parallel. The geminal aziridinyl groups have a most unusual eclipsed conformation. 
  Reference    Z. Naturforsch. 35b, 784—785 (1980); received December 27 1979 
  Published    1980 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0784_n.pdf 
 Identifier    ZNB-1980-35b-0784_n 
 Volume    35 
170Author    Marino Cavazza, Gioia Morganti, Francesco PietraRequires cookie*
 Title    7(alkyl-or aryl)thiocycloheptatrienes and l,2-Dia!kylthio-7-alkoxycycloheptatrienes  
 Abstract    Hydride abstraction by trityl tetrafluoborate from a mixture of cyeloheptatriene[l,2]-and cycloheptatriene[3,4]-p-dithiine gave tropeny-lium[l,2]-p-dithiin tetrafluoborate. The latter was found to add either methoxide or various thiolates only at the tropenylium C-3, which constitutes the first entry to regiospecifically trifunctionalized cycloheptatrienes. In contrast, cycloheptatriene[l,7]-jo-dithiine or various other cycloheptatrienes substituted at C-7 with either methylthio or <-butylthio groups were found to undergo alkylthiolate abstraction by trityl tetra-fluoborate. This limits the usefulness of the above synthetic methods for polyfunctionalized cycloheptatrienes. 
  Reference    Z. Naturforsch. 35b, 786—788 (1980); received December 21 1979 
  Published    1980 
  Keywords    Tropenylidenes, Tropenylium Ions, Hydride Abstraction 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0786_n.pdf 
 Identifier    ZNB-1980-35b-0786_n 
 Volume    35 
171Author    Wolfgang Hönle, Hans Georg, SchneringRequires cookie*
 Title    Die Kristallstruktur des Dodekamethyl-hexasila-tetraarsa-adamantans (Sime2)6As4 Crystal Structure of Dodecamethyl-hexasila-tetraarsa-adamantane (Sime2)eAs4  
 Abstract    Dodecamethyl-hexasila-tetraarsaadamantane, Crystal Structure Dodecamethyl-hexasila-tetraarsa-adamantane (Sime2)eAs4 crystallizes in the cubic space group 143m with a — 1098.2 pm and Z = 2 formula units. The bond lengths are As-Si — 235.1 pm and C-Si — 185.9 pm. The bond angles at the As atoms are 103.2° and the Si atoms 121.0°. 
  Reference    Z. Naturforsch. 35b, 789—791 (1980); eingegangen am 20. März 1980 
  Published    1980 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0789.pdf 
 Identifier    ZNB-1980-35b-0789 
 Volume    35 
172Author    Ralf Steudel, Jürgen Steidel, Norbert RautenbergRequires cookie*
 Title    Röntgenstrukturanalyse und Schwingungsspektren yon Trischwefeldistickstoffdioxid, S3N202 [1] X-ray Structural Analysis and Vibrational Spectra of Trisulfurdinitrogendioxide, S3N2O2 [1]  
 Abstract    A redetermination of the crystal and molecular structure of the chain-like molecule S(NSO)2 resulted in the following molecular parameters: d(SO) = 146.5(2), d(S = N) = 153.4(2), d(S-N) = 165.7(2) pm, bond angles OSN = 117.5(1)°, SNS = 123.6(2)°, and NSN = 97.2(1)°, torsion angles OSNS = -0.3(2)°, and SNSN = -177.7(2)° (molecular symmetry C2). Infrared and Raman spectra of S(NSO)2 are reported and assigned; there is no evidence for conformational changes on dissolution of crystalline S( 
  Reference    Z. Naturforsch. 35b, 792—796 (1980); eingegangen am 5. März 1980 
  Published    1980 
  Keywords    Sulfur Nitrogen Compounds, Structure, Vibrational Spectra 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0792.pdf 
 Identifier    ZNB-1980-35b-0792 
 Volume    35 
173Author    W. Preetz, G. PetersRequires cookie*
 Title    Darstellung und Charakterisierung der Tetrabutylammoniumsalze von [TC2C18] 2 ", [TC2C18] 3 -und [Te2Br8] 2 - Preparation and Characterization of the Tetrabutylammonium Salts of [TcaClg] 2 -, [Tc2Cl8] 3 -and [Tc2Br8] 2  
 Abstract    The reduction of [TcCL] 2-with Zn in conc. HCl after evaporation and extraction of ZnCl2 by diethylether yields a red-brown product from which after dissolving in dilute HCl by a solution of (TBA)Cl in CH2C12 (TBA)2[Tc2Cl8] and (TBA)3[Tc2Cl8] can be extracted. The separation is achieved by the much better solubility of the green (TBA)2[Tc2Cl8] in acetone compared with that of the grey-blue (TBA)3[Tc2Cl8]. On treatment of (TBA)2[Tc2Cl8] dissolved in acetone with bromine-free conc. HBr carmine red (TBA)2[Tc2Br8] is obtained for the first time. The vibrational spectra are similar and can be assigned according to the assumed D4H-symmetry. In the Raman spectra of both octachloroditechnetates the intensive Tc-Tc-vibration (Aig) is observed at 307 cm -1 , for (TBA)2[Tc2Br8] it is found at 323 cm-1 . The electronic spectrum of (TBA)2[Tc2Cl8] agrees to a high extent with that of the corresponding Re compound. 
  Reference    Z. Naturforsch. 35b, 797—801 (1980); eingegangen am 17. März 1980 
  Published    1980 
  Keywords    Octachloroditechnetate(III), Octachloroditechnetate(II, III), Octabromoditechnetate(III), Raman Spectra, IR Spectra, UVS Spectra 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0797.pdf 
 Identifier    ZNB-1980-35b-0797 
 Volume    35 
174Author    Michael Kopp, LuiseR. Krauth, Richard Ratka, Klaus Weidenhammer, ManfredL. ZieglerRequires cookie*
 Title    Darstellung und Charakterisierung von 1.4-und 1.5-Dienkomplexen des Platins  
 Abstract    Röntgenstrukturanalyse von Diehloro-2.5-diphenyl-1.5-hexadienplatin(II), Cl2Pt((C6H5)2C6H8) Preparation and Characterization of 1,4-and 1,5-Diene Complexes of Platinum; X-ray Analysis of Dichloro-2,5-diphenyl-l,5-hexadiene Platinum(II), ((C^P^CöHs^CßHs) The reaction of cis-(C6H5CN)2PtCl2 and Na2PtCl4 with the dienes 1,4-pentadiene and 2,5-diphenyl-l,5-hexadiene yields the species eis-(1,4-pentadiene) PtCl2 and cis-(2,5-diphenyl-l,5-hexadiene)PtCl2, respectively. The compounds have been fully characterized by elemental analysis, IR, 1 H-NMR, mass spectroscopy and by X-ray methods. 
  Reference    Z. Naturforsch. 35b, 802—807 (1980); eingegangen am 29. Februar 1980 
  Published    1980 
  Keywords    Synthesis, Characterization, X-ray, Diene Complexes of Platinum 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0802.pdf 
 Identifier    ZNB-1980-35b-0802 
 Volume    35 
175Author    HeinzDieter Lutz, SalehM. El-Suradi, Christiane Mertins, Bernward EngelenRequires cookie*
 Title    Zur Kenntnis der Hydrate des Mangan-und Zinksulfits. Röntgenographische, thermoanaly tische, Raman-und IR-spektroskopische Untersuchungen  
 Abstract    X-ray, IR and Raman data as well as thermoanalytical measurements (DTA, TG, and DTG) of several new hydrates, viz. MnS03 • 2 1 /z H20, MnS03 • 2 H20, ZnS03 • 3 H20, /S-ZnS03 • 2 1 /2 H20, and y-ZnS03 • 2 x /2 H20, and of previously reported hydrates in the systems MnS03-H20, ZnS03-H20, and MnS03-ZnS03-H20 are presented. Furthermore, the formation of mixed crystals is studied in the system MnS03-ZnS03-H20. The following crystal data have been determined by single crystal measurements: MnS03 • 2 1 /2 H20 (P4i2i2):a = b = 968.4(1), c = 1040.9(1) pm, Z = 8, MnS03 • 2 H20 (P2i/w):a = 650.9(1), b = 873.8(1), c = 774.7(1) pm, ß = 99.80(1)°, Z = 4, ZnS03 • 3 H20 (Pnma): a = 953.6(1), b = 553.0(1), c = 941.9(1) pm, Z = 4, ß-ZnS03 • 21/2 H20 (P4i2!2): a = b = 952.1(1), c = 1025.4(1) pm, Z = 8, y-ZnS03 • 2 X \2 H20 (with small amount of Mn 2 +) (o-rh.): a = 1493(1), b = 1812(2), c = 753(1) pm, Z = 16, ZnS03 • 1/2 H20 (mon.): a = 1326.7(5), b = 706.3(2), c = 834.4(1) pm, ß = 117.41(3)°, Z = 8. The IR spectra show that, with the exception of y-ZnS03 • 2 x /2 H20, both weak and strong hydrogen bonds are present in the sulfite hydrates. Under an S02 atmosphere the sulfite hydrates can be dehydrated without simultaneous dissociation to the oxide and sulfur dioxide. The isotypic hydrates /?-MnS03 • 3 H20 and ZnS03 • 3 H20 (ß-MnSÖ3 • 3 H20 type), and MnS03 • 2 H20 and ZnS03 • 2 H20 (ZnSe03 • 2 H20 type) form complete mixed crystal series. Solid solutions are also formed from a-MnS03 • 3 H20 (a-FeS03 • 3 H20 type), y-ZnS03 • 2 l /2 H20, MnS03 • 1 H20, and ZnS03 • 1 /2 H20. No incorporation of Mn or Zn could be observed for a-ZnS03 • 2Va H20 and the isotype hydrates MnS03 • 2!/a H20 and ß-ZnS03 • 2 1 /2 H20 (CoS03 • 21/2 H20 type). 
  Reference    Z. Naturforsch. 35b, 808—816 (1980); eingegangen am 17. Dezember 1979 
  Published    1980 
  Keywords    Sulfite, Hydrates, Manganese, Zinc, X-ray 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0808.pdf 
 Identifier    ZNB-1980-35b-0808 
 Volume    35 
176Author    Fritz Preuss, Willi Towae, Joachim WoitschachRequires cookie*
 Title    Darstellung und Reaktionen der Oxovanadin(V)-tricarboxylate Synthesis and Reactions of Oxovanadium(V) Tricarboxylates  
 Abstract    Monomeric oxovanadium(V) tricarboxylates VO(RCOO)3 are prepared by reaction of VOCI3 with an excess of silver carboxylate in CH2CI2 or by depolymerization of (V02RC00)n in carboxylic acid anhydride. Their properties are studied by IR and X H NMR spectroscopy as well as by chemical reactions such as thermolysis, solvolysis, redistribution and complex formation. The structure of 2,2'-dipyridyl and 1,10-phenanthroline complexes [VO(RCOO)3 • B] (B = C10H8N2, C12H8N2) has been found to be octahedral with meridional arrangement of the carboxylate ligands. Syntheses of Na[VO(CH3COO)4] and Ba[V02(CH3C00)3] • 2CH3COOH are described. 
  Reference    Z. Naturforsch. 35b, 817—823 (1980); eingegangen am 8. Oktober 1979/14. Januar 1980 
  Published    1980 
  Keywords    Oxovanadium(V) Tricarboxylates, Preparation, Reaction, iH NMR Spectra, IR Spectra 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0817.pdf 
 Identifier    ZNB-1980-35b-0817 
 Volume    35 
177Author    Hans Georg, Schnering, Manfred WittmannRequires cookie*
 Title    Europium(II)heptaphosphid E11P7 [1]  
 Abstract    The novel polyphosphide EuP7 was prepared under controlled conditions by the reaction of the elements in salt melts at 750-800 K. EuP7 forms black prismatic crystals not attacked by diluted mineral acids and bases. The thermal decomposition yields EuP3 at 700 K and in further steps EuP2, EU3P4 and EuP, respectively. According to the crystal structure as well as the electrical, optical and magnetic properties EuP7 is a semiconductor (EG = 0.9 eV; EG (vert) = 1.1 eV) with divalent europium (y — 7.55 B.M.). The compound crystallizes in the monoclinic space group P2i/n with a — 1148.8(7) pm, b — 570.0(3) pm, c = 1061.0(6) pm, and ß= 106.08°(5); (X-ray diffraction data; 1479 hkl-, R = 0.031). The P-atoms are connected (P-P) = 218.0-223.5 pm) to a 2-dimensional infinite polyanionic structure ^(P? 2 -) with homonuclear 3-bonded and 2-bonded P-atoms in the ratio 5:2. The polyanionic network contains Pß-rings (chair conformation) as well as Ps-rings and P10-rings. The Eu-atoms are bonded to 9 P-atoms (1,4,4-polyhedra) with bond distances ranging from 306.6 to 326.6 pm. The Eu-atoms complete the tetrahedral environment of the P-atoms. 
  Reference    Z. Naturforsch. 35b, 824—831 (1980); eingegangen am 13. März 1980 
  Published    1980 
  Keywords    Rare Earth Metal Polyphosphide, Preparation, Structure, Physical Properties 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0824.pdf 
 Identifier    ZNB-1980-35b-0824 
 Volume    35 
178Author    Samuel0. Grim, LarryC. Satek, J.Dale MitchellRequires cookie*
 Title    Polydentate Ligands Containing Phosphorus, III [1] Synthesis and Nuclear Magnetic Resonance Studies of Some Unsymmetrical Potentially Tridentate Phosphine Chalcogenide Ligands  
 Abstract    The synthesis via the useful lithium reagent intermediate, (CeH5)2P(S)CH2Li, is reported for eight compounds of the type [(C6Hs)2P(X)][R2P(X)]2CH, where R is methyl or phenyl and X is an electron pair, oxygen, or sulfur in various combinations. Two related com-pounds with three and four phosphorus atoms, respectively, per molecule have also been prepared from the same lithium reagent. Tris(diphenylthiophosphoryl)methane has three equivalent phosphorus atoms as indicated by the room temperature phosphorus-31 NMR spectrum, but at reduced temperature a favored conformation exists which has two equivalent phosphorus atoms and a unique one. Other phosphorus-31 and proton NMR data are reported. 
  Reference    Z. Naturforsch. 35b, 832—837 (1980); received March 12 1980 
  Published    1980 
  Keywords    Polydentate Ligands, Phosphorus Chalcogenides, 31 P NMR Spectra 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0832.pdf 
 Identifier    ZNB-1980-35b-0832 
 Volume    35 
179Author    Manfred Fild, Wolfgang Handke, WilliamS. SheldrickRequires cookie*
 Title    Methylen Verbindungen von Nichtmetallen, III [1] Metallcarbonyl-Komplexe mit methylenverbrückten Diphosphor-Liganden Methylene Compounds of Non-Metals, III [1] Metal Carbonyl Complexes of Methylene-Bridged Diphosphorus Ligands  
 Abstract    Compounds of the type R2PCH2PR2 (R = Pr«0, Me2N) react with cis-LM(CO)4 (L = Bicyclo[2,2,l]hepta-2,5-dien; M = Cr, Mo, W) complexes to yield cis-substituted [R2PCH2PR2]M(CO)4 derivatives. The structure of the molybdenum compound, [(Pr i O)2PCH2P(OPr i)2]Mo(CO)4, has been determined. Diphosphorus ligands of the type R2P(S)CH2PR2 (R = F, Pr*0) are monodentate and form [R2P(S)CH2PR2]2Mo(CO)4 complexes, whereas the compound (Me2N)2P(S)CH2P(NMe2)2 acts as a bidentate ligand. 
  Reference    Z. Naturforsch. 35b, 838—842 (1980); eingegangen am 20. Februar 1980 
  Published    1980 
  Keywords    Metal Carbonyls, Diphosphorus Ligands, X-ray 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0838.pdf 
 Identifier    ZNB-1980-35b-0838 
 Volume    35 
180Author    Hans-Otto StühlerRequires cookie*
 Title    (Y]-Cyclooctatetraen)(y]-cyclooctatrienyl)rhodium(I) und einige verwandte Rhodiumkomplexe (>7-Cyclooctatetraene)(??-cyclooctatrienyl)rh.odium(I) and Some Related Rhodium Complexes  
 Abstract    (Cyclooctatetraene)(cyclooctatrienyl)rhodium(I), Synthesis, X H NMR Spectra Reactions of [(COD)RhCl]2 (COD = 1,5-cyclooctadiene) with n-butyllithium in THF and isoprene or 4-vinylcyclohexene lead to formation of the known complexes [(COD)Rh-(1,2-dimethylallyl)] (2) and [(COD)Rh(5-ethylcyclohexenyl)] (3), respectively. With cyclo-octatetraene three complexes are formed: [(COD)Rh(cyclooctatrienyl)] (4), [(COD)2Rh2-^-(cyclooctatetraene)] (6), and the title compound (cyclooctatetraene)(eyclooctatrienyl)rhodium(I) (5). It follows from *H NMR investigations that 5 contains a 1,2,5,6-tetrahapto cyclooctatetraene whilst the cycloocta-trienyl ligand is bound in the symmetrical 3-5-trihapto form, the Rh-atom thus achieving a 16-electron configuration. In solution at —30 °C 5 is converted to a dinuclear complex 7 which apparently can be formulated as (l,2,5,6-?;-cyclooctatetraene)-/u-(3-5-^: 1-2:6-1-t]-cyclooctatrieny 1) (3 -5 --c y clooctatrienyl)dirhodium(Rh-Rh). 
  Reference    Z. Naturforsch. 35b, 843—847 (1980); eingegangen am 19. März 1980 
  Published    1980 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0843.pdf 
 Identifier    ZNB-1980-35b-0843 
 Volume    35 
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