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Facet   section ZfN Section B:Volume 030  [X]
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1975 (239)
141Author    Kulturfiltrat Von, Streptomyces Tendae, W.A K, H. H., U. D.Requires cookie*
 Title    Stoffwechselprodukte von Mikroorganismen, 1461 Massenspektrometrische Identifizierung von 3-Cyclohexenylglycin im Mass Spectrometric Identification of 3-Cyelohexenylglycine from Streptomyces tendae Mass Spectrometry, Retro-Diels-Alder Reaction, Amino Acid Antagonists  
 Abstract    From the culture filtrates of Streptomyces tendae (Tü 901) a ninhydrin positive substance was isolated, which was identified as 3-cyclohexenylglycine by gas chromatography-mass spectrometry of some volatile derivatives. Im Laufe der Isolierung des Antibioticums Nik-komycin2 aus dem Kulturfiltrat von Streptomyces tendae Ettlinger (Tü 901) wurde eine ninhydrin-positive Substanz isoliert. Ihre Identifizierung durch Gas-Chromatographie und Massenspektro­ metrie als 3-Cyclohexenylglycin wird in dieser A r ­ beit beschrieben. 3-Cyclohexenylglycin ist von E d e l s o n et al.3 synthetisiert und als Isoleucin-Antagonist erkannt worden und später von Ce l 
  Reference    (Z. Naturforsch. 30b, 626—628 [1975]; eingegangen am 20. Februar 1975) 
  Published    1975 
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 Identifier    ZNB-1975-30b-0626 
 Volume    30 
142Author    H., H.Requires cookie*
 Title    Photoelectron Spectra and M olecular Properties, X L V I 1 Nitroso Compounds -Electron-rich Molecules  
  Reference    (Z. Naturforsch. 30b, 629—631 [1975]; received March 14 1975) 
  Published    1975 
  Keywords    Nitroso Compounds, MO Calculations, P E Spectra 
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 Identifier    ZNB-1975-30b-0629_n 
 Volume    30 
143Author    Requires cookie*
 Title    A Simple Synthesis and Some Properties of Bis(mercaptomethyl)sulfide  
 Abstract    Bis(mercaptomethyl)sulfide, Synthesis, Sulfane Models, Liquid Ammonia Bis(mercaptomethyl)sulfide is synthesized from 1,3,5-trithiohexane and dichlorodisulfane 
  Reference    (Z. Naturforsch. 30b, 632—633 [1975]; eingegangen am 26. Mai 1975) 
  Published    1975 
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 Identifier    ZNB-1975-30b-0632_n 
 Volume    30 
144Author    Requires cookie*
 Title    Bis(trimethylsilylhydrazido)-thiophosphoric Acid Phenylester -A New Intermediate for the Syn­ thesis of Inorganic Heterocycles  
 Abstract    The title compound, C 6H 50 -(S)P [N H -N H -S i(C H 3)3] 2 (1), m.p. 37-39 °C, is prepared by silylation of the parent dihydrazide with (C H 3)3SiCl in the presence of an excess of base. 1 is purified by vacuum destination and characterized by 1 H N M R , IR , Ra, mass spectra and analysis. Phosphorus hydrazine heterocycles, such as 
  Reference    (Z. Naturforsch. 30b, 634—635 [1975]; eingegangen am 23. Oktober 1973/ 2. April 1975) 
  Published    1975 
  Keywords    Trimethylchlorsilane, Dihydrazidothiopliosphoric Acid Phenylester, Inorganic Heterocycles 
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 Identifier    ZNB-1975-30b-0634_n 
 Volume    30 
145Author    Requires cookie*
 Title    Molecular Structure of Bis  
 Abstract    [tris(diethylamido)-t itano] -ferro eene U l f T h e w a l t u n d D i e t m a r S c h o m b u r g Molecular Structure, Bis[tris(diethylamido)titano]-ferrocene The results of an X -ray structure analysis of the title compound prove the molecular structure proposed earlier to be correct. Mean values of bond lengths are Fe-C(.7 r): 2.06, T i-C (a): 2.15, and T i-N : 1.89 A. 
  Reference    (Z. Naturforsch. 30b, 636 [1975]; eingegangen am 26. Februar 1975) 
  Published    1975 
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 Identifier    ZNB-1975-30b-0636_n 
 Volume    30 
146Author    R.Requires cookie*
 Title    The Crystal Structure of Lu2 S3  
 Abstract    Lutetium(III)sulfide, Single Crystals, Crystal Structure The corundum-type structure of L u 2S3 was confirmed and refined from single-crystal data. 
  Reference    (Z. Naturforsch. 30b, 637—638 [1975]; eingegangen am 3. April 1975) 
  Published    1975 
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 Identifier    ZNB-1975-30b-0637_n 
 Volume    30 
147Author    F.A SRequires cookie*
 Title    o f M o and W , X V I I * Results on M o -0 and M o -S Double Bridges  
 Abstract    M 
  Reference    (Z. Naturforsch. 30b, 638—640 [1975]; received March 14/April 221975) 
  Published    1975 
  Keywords    o -0 Double bridges, M o-S Double Bridges, Bond Distances 
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 Identifier    ZNB-1975-30b-0638_n 
 Volume    30 
148Author    Requires cookie*
 Title    Synthesis of a l-Bora-4-phospha- cyclohexadiene(2,5) Derivative  
 Abstract    Hydrophosphination, Phosphaboracyclohexadiene, J1B N M R Radical initiated hydrophosphination of diethylaminodipropinylborane with phenyl-phosphine leads to the new heterocyclic sy­ stem 1 -bora-4-phospha-cyclohexadiene. Some properties and N M R data of the 3,5-dimethyl-l-diethylamino-4-phenyl deriva­ tive are reported. 
  Reference    (Z. Naturforsch. 30b, 641—642 [1975]; eingegangen am 22. April 1975) 
  Published    1975 
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 Identifier    ZNB-1975-30b-0641_n 
 Volume    30 
149Author    Requires cookie*
 Title    Note on convenient Syntheses of  
 Abstract    Tris(methylthio)-, Tris(methylseleno)-and Tris(dimethylamino)borane W a l t e r S i e b e r t , W e r n e r R u f und R o l a n d F u l l Tris(methylthio)borane, Tris(methylseleno)borane, Tris(dimethylamino)borane The reaction of in situ generated L iA lX 4 (X = SCH3, SeCH3, N (C H 3)2) with (C2H 6)20 ■ B F 3 leads to B X 3 in good yields. 
  Reference    (Z. Naturforsch. 30b, 642—643 [1975]; eingegangen am 5. Mai 1975) 
  Published    1975 
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 Identifier    ZNB-1975-30b-0642_n 
 Volume    30 
150Author    Requires cookie*
 Title      
 Abstract    Selective Hydrogenation, Catalysis, 1,3-Cyclohexadiene W ith a catalyst, prepared by reaction of NiCl2 with N a B H 4 in dimethylformamide, 1,3-cyclohexadiene is selectively hydro­ genated to cyclohexene without formation of cyclohexane. 
  Reference    (Z. Naturforsch. 30b, 643—644 [1975]; eingegangen am 14. April 1975) 
  Published    1975 
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 Identifier    ZNB-1975-30b-0643_n 
 Volume    30 
151Author    H.J W, J. W.Requires cookie*
 Title    Dialkyl Indium Mono-and Alkyl Indium Dihalides R2 InX and RInX2 (with R = CH3)C2 H5 and X = Cl,Br, J), IV Alkylation Reactions with Dialkyl Indium Chlorides  
 Abstract    Dimethyl indium chloride alkylates SbCl5, (CH 3)3SbClz and (C H 3)3AsCl2 forming ionic tetramethylstibonium and tetramethylar-sonium derivatives such as [(C H 3)4Sb]+ [SbCl.]-, [(C H 3)4Sb]+ [C H 3InCl3] -and [(C H 3)4A s]+ [C H 3InCl3]~. The vibrational spectra are discussed. 
  Reference    (Z. Naturforsch. 30b, 645—647 [1975]; eingegangen am 1. April 1975) 
  Published    1975 
  Keywords    Tetramethylstibonium Hexachloroantimonate, Tetra-methylarsonium Methyltrichloroindate, Preparation, Vibrational Data 
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 Identifier    ZNB-1975-30b-0645_n 
 Volume    30 
152Author    Requires cookie*
 Title    Synthesis of the 1,2,5-Selenadiborolene System  
 Abstract    Selenadiborolene, Iodoboron Selenide The reaction of 3.4-xylenyl-l-diiodoborane with polymeric iodoboron selenide at 180 °C yields golden-yellow xyleno-l,2,5-selenathia-diborolene (2). 
  Reference    (Z. Naturforsch. 30b, 647—648 [1975]; eingegangen am 9. April 1975) 
  Published    1975 
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 Identifier    ZNB-1975-30b-0647_n 
 Volume    30 
153Author    H. K.Requires cookie*
 Title    NMR Spectroscopy on Paramagnetic Complexes, V III* Improved Recording of X H NMR Spectra N M R Spectra, Paramagnetic Molecules, Bis(h5 -ethy Icy clopentadieny 1 )cobalt  
 Abstract    spectra of paramagnetic compounds are frequently disturbed by side­ bands. This problem is circumvented by variation of the nuclear single sideband technique or by application of a variable sideband oscillator. Both methods are de­ monstrated by the 1H spectrum of Bis-(h5-ethylcyclopentadienyl)cobalt. 
  Reference    (Z. Naturforsch. 30b, 649—650 [1975]; eingegangen am 7. April 1975) 
  Published    1975 
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 Identifier    ZNB-1975-30b-0649_n 
 Volume    30 
154Author    Requires cookie*
 Title    Organotin Compounds as Reagents, I A Simple Method for  
 Abstract    the Preparation of (CF3)2 EH and CF3 EH, (E = P, As) S a l m a n A n s a r i u n d J o s e p h G r o b e Organotin Compounds, Trifluoromethyl Phosphines, Trifluoromethyl Arsines Trifluormethyl phosphines and arsines (CF3)2E H and CF3E H 2, respectively, (E = P, As) are obtained in almost quantitative yield by the reaction of (CF3)2E I and C F3E I 2, re­ spectively, with trimethylstannane. The intermediate formation of C F3E (H)I was shown for E = P by N M R spectroscopic investigation of a 1:1 mixture of C F3P I 2 and HSnMe3. 
  Reference    (Z. Naturforsch. 30b, 651—652 [1975]; eingegangen am 14./27. Mai 1975) 
  Published    1975 
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 Identifier    ZNB-1975-30b-0651_n 
 Volume    30 
155Author    H.E JRequires cookie*
 Title    Reactions of Harmaline and its Derivatives, IV Synthesis of a Pentacyclic System Isomeric with ll-Methoxy-5,6-dihydrosempervirine  
 Abstract    A t t a -u r -R a h m a n , A n w e r B a s h a , and V iq a r U d d e n A h m a d 
  Reference    (Z. Naturforsch. 30b, 653 [1975]; received March 4 1975) 
  Published    1975 
  Keywords    Harmaline, Condensation, jS-Carboline, Enamine, Alkylation 
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 Identifier    ZNB-1975-30b-0653_n 
 Volume    30 
156Author    V. W., M. R., Alkylpyrylium SaltsRequires cookie*
 Title      
 Abstract    The 13C chemical shifts of several alkyl-substituted pyrylium salts are presented. Charge densities in the isoelectronic series benzene, pyridine, pyridinium cation and pyrylium cation, calculated from IN D O M. O. theory, are shown to correlate well with the ring carbon 13C chemical shifts. The effect of alkyl substitution on ring carbon 13C chemical shifts in the pyrylium salts are shown to correlate with those of the alkyl benzenes. 
  Reference    (Z. Naturforsch. 30b, 654—655 [1975]; received March 13 1975) 
  Published    1975 
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 Identifier    ZNB-1975-30b-0654_n 
 Volume    30 
157Author    Requires cookie*
 Title    Radiation Chemistry of DNA-Model Compounds, VII* On the Formation of 5-Deoxy-D-erythro-pentos- 4-ulose and the Identification of Twelve Further Products from y-Irradiated Aqueous Solutions of Ribose-5-phosphate  
 Abstract    L o t h a k S t e l t e r , C l e m e n s v o n S o n n t a g , a n d D i e t r i c h S c h u l t e -F r o h l i n d e Different mechanisms are considered to explain the formation of 5-deoxy-D-erythro-pentos-4-ulose in the y-radiolysis of ribose-5-phosphate in aqueous solution. On the basis of deuterium labelling experiments one mech­ anism involving an enol as an intermediate could be excluded. The identification of twelve further radio-lysis products from ribose-5-phosphate is reported. 
  Reference    (Z. Naturforsch. 30b, 656—657 [1975]; received February 19 1975) 
  Published    1975 
  Keywords    y-Radiolysis, Ribose-5-phosphate, Carbohydrates, Radical Reactions, Radical Cations 
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 Identifier    ZNB-1975-30b-0656_n 
 Volume    30 
158Author    Requires cookie*
 Title    Zur Darstellung und Kristallstruktur von AgCrOa Synthesis and Crystal Structure of AgCr02  
 Abstract    E g b e r t G e h l e u n d H o r s t S a b r o w s k y Crystal Structure, Chromium Silver Oxide A novel preparation is reported for AgCr02 from elemental silver and Cr203 in the presence of thallium oxide. A refinement of the structure was undertaken by the use of diffractometric single-crystal data. The newly determined lattice parameters of the compounds (Delafossite-type), which crystallizes in the space group R 3 m, are: a — 2.985 Ä, 
  Reference    (Z. Naturforsch. 30b, 659—661 [1975]; eingegangen am 25. Juni 1975) 
  Published    1975 
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 Identifier    ZNB-1975-30b-0659 
 Volume    30 
159Author    Requires cookie*
 Title    Die Kristallstruktur des Gold(III)bromids The Crystal Structure of Gold (I II ) Bromide  
 Abstract    K l a u s -P e t e r L ö r c h e r und J o a c h i m St r ä h l e G old (III) Bromide, X-ray, Crystal Structure G old(III) bromide crystallizes monoclinic in the space group P2i/c with four Au2B r6 molecules in a cell of dimensions a = 6.831 A, b = 20.41 A , c = 8.105 Ä ; ß = 119.74°. Within the well separated molecules each Au atom has four Br neighbours in a square planar arrangement. The A u -B r distances to the terminal B r atoms are in the range from 2.383 to 2.410 Ä, whereas the distances to the bridging atoms are slightly longer (2.457-2.471 Ä). 
  Reference    (Z. Naturforsch. 30b, 662—664 [1975]; eingegangen am 2. Juni 1975) 
  Published    1975 
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 Identifier    ZNB-1975-30b-0662 
 Volume    30 
160Author    M. F. O 'Requires cookie*
 Title    A Study o f the Kinetics o f the Basic Zinc Carbonate Formation Reaction  
 Abstract    Absorption A study of the kinetic parameters involved in the formation o f basic zinc carbonate by the action of carbon dioxide and water vapour on zinc oxide has been undertaken. A contracting sphere model is used to explain the reaction but its applicability is dependent upon the carbon dioxide pressure used. Water vapour pressures close to saturated water vapour pressure are necessary for the reaction to proceed and the role of the necessary near-liquid surface water layer in the absorption reaction is discussed. 
  Reference    (Z. Naturforsch. 30b, 665—668 [1975]; eingegangen am 24. März/5. Mai 1975) 
  Published    1975 
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 Identifier    ZNB-1975-30b-0665 
 Volume    30 
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