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Facet   section ZfN Section B:Volume 046  [X]
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1991 (265)
41Author    Frederick KurzerRequires cookie*
 Title    Diisophorone and Related Compounds, Part 28 [1] Diisophorane-4-spiro-2-(oxiranes)  
 Abstract    organ R oyal Free H ospital School o f M edicine, U niversity o f L o n d o n , L o ndon N W 3, E ngland 
  Reference    Z. Naturforsch. 46b, 255 (1991) 
  Published    1991 
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 Identifier    ZNB-1991-46b-0255 
 Volume    46 
42Author    Requires cookie*
 Title    Darstellung und spektroskopische Charakterisierung von Cyansulfoniumsalzen. S(CN)3+AsF6-und (CH3)2SC N +M F6-(M = As, Sb) [1]  
  Reference    Z. Naturforsch. 46b, 265 (1991) 
  Published    1991 
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 TEI-XML for    default:Reihe_B/46/ZNB-1991-46b-0265.pdf 
 Identifier    ZNB-1991-46b-0265 
 Volume    46 
43Author    Brigitte Mundus-Glowacki, Friedo HuberRequires cookie*
 Title    Triorganoblei-und Triorganozinnderivate von Hydroxyaminosäuren und O-Acetylserin Triorganolead and Triorganotin Derivatives o f Hydroxyam ino Acids and of O-Acetylserine  
 Abstract    L ehrstuhl für A norganische Chem ie II, U n iv ersität D o rtm u n d , Postfach 500500, D-4600 D o rtm u n d 50 
  Reference    Z. Naturforsch. 46b, 270 (1991) 
  Published    1991 
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 TEI-XML for    default:Reihe_B/46/ZNB-1991-46b-0270.pdf 
 Identifier    ZNB-1991-46b-0270 
 Volume    46 
44Author    Requires cookie*
 Title    CX /ch>  
 Abstract    El h3c / x o c (o)ch3 * S onderd ru ck an fo rd eru n g en an Prof. D r. R. Tacke. 
  Reference    Z. Naturforsch. 46b, 275 (1991) 
  Published    1991 
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 TEI-XML for    default:Reihe_B/46/ZNB-1991-46b-0275.pdf 
 Identifier    ZNB-1991-46b-0275 
 Volume    46 
45Author    Tetramethylpyrrolyl Phosphanes, Orbert Kuhn, Kai JendralRequires cookie*
 Title    Tetramethylpyrrolyl-Phosphane  
 Abstract    6 (C hem ie) der U niversität (G H) D uisburg, L o th a rstra ß e 1, D -4100 D uisburg 1 et Z. N atu rfo rsch . 46b, 2 8 0 -2 8 4 (1991); eingegangen am 2. Juli 1990 T etram ethylpyrrolyl P hosphanes, Synthesis, P ho sph oru s C h lo rin e Bond Fission T he 2,3,4,5-tetram ethylpyrrolyl phosphanes (pyr)"PCl3_" (2 -4 , pyr = C 4M e4N; n = 1 -3) are obtained by the reaction o f PC13 with lithiated 2,3,4,5-tetram ethylpyrrole 1, 2 and 3 react w ith M g to give the cyclo tetrap h o sp h an e (pyrP)4 7 and the d ip h o sp h an e p y r2P -P p y r 2 8, respective­ ly. Spectroscopic and chem ical properties indicate the pyrrolyl ligand to be co-o rd in ated by a single P -N bon d n o t essentially influenced by ^-bonding. 
  Reference    Z. Naturforsch. 46b, 280 (1991) 
  Published    1991 
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 TEI-XML for    default:Reihe_B/46/ZNB-1991-46b-0280.pdf 
 Identifier    ZNB-1991-46b-0280 
 Volume    46 
46Author    DallasL. Wilkinson, Jürgen Riede, G.Erhard MüllerRequires cookie*
 Title    Redetermination of the Crystal and Molecular Structure of Bis(pentafluorophenyl)mercury  
 Abstract    A norganisch-chem isches In stitut d er T echnischen U n iv ersität M ünchen, L ichtenbergstraße 4, D-8046 G arching 
  Reference    Z. Naturforsch. 46b, 285 (1991) 
  Published    1991 
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 Identifier    ZNB-1991-46b-0285 
 Volume    46 
47Author    M. =n, TaRequires cookie*
 Title    TaI2Cl2, eine neue Verbindung vom M X4-Typ (  
  Reference    Z. Naturforsch. 46b, 289 (1991) 
  Published    1991 
  Keywords    ; X=C1, Br, I) 
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 TEI-XML for    default:Reihe_B/46/ZNB-1991-46b-0289.pdf 
 Identifier    ZNB-1991-46b-0289 
 Volume    46 
48Author    Requires cookie*
 Title    -Cl  
 Abstract    fac-Isom ere m e r-Iso m ere * S onderdruckanforderungen an Prof. D r. U. T hew alt. Verlag der Zeitschrift für Naturforschung, D-7400 Tübingen 0 9 3 2 -0 7 7 6 /9 1 /0 3 0 0 -0 2 9 3 /$ 01.00/0 294 
  Reference    Z. Naturforsch. 46b, 293 (1991) 
  Published    1991 
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 TEI-XML for    default:Reihe_B/46/ZNB-1991-46b-0293.pdf 
 Identifier    ZNB-1991-46b-0293 
 Volume    46 
49Author    Requires cookie*
 Title    Über die Reaktion  
 Abstract    von C(NM e2)4 mit zweikernigen Übergangsmetallcarbonylen; Kristallstrukturen von [C(NMe2)3][Mn(CO)5] und IC(NMe2)3lICo(CO)4| 
  Reference    Z. Naturforsch. 46b, 297 (1991) 
  Published    1991 
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 TEI-XML for    default:Reihe_B/46/ZNB-1991-46b-0297.pdf 
 Identifier    ZNB-1991-46b-0297 
 Volume    46 
50Author    Dieter Sellmann, Hans-Peter Neuner, M. Atthias, Moll, Falk KnochRequires cookie*
 Title    Übergangsmetallkomplexe mit Schwefelliganden, LVIII Baseninduzierte S-C-Bindungsspaltung unter Vinylthioether-thiolat-Bildung in Ru-koordinierten Kronenthioethern* Transition Metal Complexes with Sulfur Ligands, LVIII Base Induced S -C Bond Cleavage with Vinyl-Thioether-Thiolate Form ation in Ru C oordinated Crown Thioethers  
 Abstract    In stitu t für A norganische Chem ie d er U niversität, E gerlandstraße 1, D-8520 E rlangen Z. N atu rfo rsch . 46b, 3 0 3 -3 0 6 (1991); eingegangen am 10. O k to b er 1990 R u thenium , C row n T hioethers, V inyl-Thioether, Sulfur Ligands T he m o no catio n [R u('S6'-C H = C H 2)]+, [2]+, ('S6'-C H = C H 2-= 2.3.11.12-dibenzo-1.4.7.10.13.16-hexathiaoctadec-17-ene(l —)) form s u n d er norm al co n d itio n s by S -C bond cleavage in an irreversible and selective reaction on treating salts o f the d ication [R u (b zo 2-18S6)]2+, [1]2+, (bzo-,-18S6 = 2 .3 .1 1.12-dibenzo-1.4.7.10.13.16-hexathiacyclooctadecane) with one equivalent o f base. T his reaction dem o n strates the drastic S -C activation in co o rd in ated thioethers and should be tak en into consideration w hen cofactors are isolated from m etal sul­ fur enzym es. 
  Reference    Z. Naturforsch. 46b, 303 (1991) 
  Published    1991 
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 Identifier    ZNB-1991-46b-0303 
 Volume    46 
51Author    Requires cookie*
 Title    Synthese und Kristallstruktur von M oC14(DME)* 15-Krone-5 und M oC14(D M E) (DM E = 1,2-Dimethoxyethan)  
  Reference    Z. Naturforsch. 46b, 307 (1991) 
  Published    1991 
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 Identifier    ZNB-1991-46b-0307 
 Volume    46 
52Author    Rs Sr, R. =. ArylRequires cookie*
 Title      
 Abstract    X Zentrales Strukturelement dieser Spezies ist die symmetrische S -N -S -E in h e it. Eine solche A tom ­ sequenz liegt auch in dem acyclischen 1,7-Bisaryl-l,3,5,7-tetrathia-2,6-diaza-4-azonia-hepta-2,3,4,5-tetraen-K ation [3] 2 vor. 
  Reference    Z. Naturforsch. 46b, 315 (1991) 
  Published    1991 
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 TEI-XML for    default:Reihe_B/46/ZNB-1991-46b-0315.pdf 
 Identifier    ZNB-1991-46b-0315 
 Volume    46 
53Author    Jürgen Martens, Stefan Lübben, W. Alter SchwartingRequires cookie*
 Title    Stereoselective Reaction Mass Spectrometry with Cyclic a-Amino Acids  
 Abstract    rfo rsch . 46b, 3 2 0 -3 2 5 (1991); received Ja n u a ry 2 0 / M ay 22, 1990 Stereoselectivity, R eaction M ass S pectrom etry, A m ino A cids Stereoselective reaction mass spectrom etry in the chem ical ionization (isobutane) m ode has been used to detect the absolute configuration o f en an tiom erically p ure cyclic a -a m in o acids. T hus, an enantiom erically pure cyclic a -am in o acid was allow ed to react on a m icrom ole level w ith b o th en an tio m ers o f a chiral selector an d the m ass spectra were detected. The relative abundan ces o f characteristic ions form ed by the diastereoselective reaction betw een the a-a m in o acid and the chiral selector o f the sam e co n fig u ratio n were m uch higher th an those ions form ed by the a-a m in o acid and the chiral selector o f a different co n fig u ratio n . The ab so ­ lute con fig u ratio n o f the a -am in o acid m ay be predicted by careful ex am in atio n o f the two stereoselective reaction m ass spectra o f the a -a m in o acid m easured w ith b o th , the chiral (R)-and (S)-selector respectively. V arious (R)-and (S)-carboxylic acids and (R)-and (S)-a-pheny leth y l am ine have been used as chiral selectors. 
  Reference    Z. Naturforsch. 46b, 320 (1991) 
  Published    1991 
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 Identifier    ZNB-1991-46b-0320 
 Volume    46 
54Author    H. Bock, P. Dickmann, H.-FH. Errm AnnRequires cookie*
 Title    Elektronentransfer und Ionenpaar-Bildung, 18 [1 -3 ] Radikalanionen und Radikal-Ionenpaare aza-substituierter Naphtho-und Anthrachinone Electron Transfer and Ion Pairing, 18 [ 1 -3] Radical Anions and Radical Ion Pairs of Aza-Substituted N aphtho-and A nthraquinones  
 Abstract    Chem ische In stitu te der U niversität F ra n k fu rt, N iederurseler H ang, D-6000 F ra n k fu rt/M a in Senator Hans M esser zum 65. Geburtstag gewidm et 
  Reference    Z. Naturforsch. 46b, 326 (1991) 
  Published    1991 
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 Identifier    ZNB-1991-46b-0326 
 Volume    46 
55Author    Requires cookie*
 Title    Vollständige Maskierung der -Gly-Bindungen mit dem stark lipophilen und Chromophoren Ferrocenylmethyl[Fem]-Rest bei Peptidsynthesen von Hexaglycin und Leu-Enkephalin  
  Reference    Z. Naturforsch. 46b, 339 (1991) 
  Published    1991 
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 TEI-XML for    default:Reihe_B/46/ZNB-1991-46b-0339.pdf 
 Identifier    ZNB-1991-46b-0339 
 Volume    46 
56Author    Requires cookie*
 Title    Elektrochemische und spektroelektrochemische Untersuchungen neuer S-heterochinoider Elektronenakzeptoren, N-Cyanimin-substituierte Thieno[3,2-b]thiophen-2,5-dione  
  Reference    Z. Naturforsch. 46b, 353 (1991) 
  Published    1991 
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 TEI-XML for    default:Reihe_B/46/ZNB-1991-46b-0353.pdf 
 Identifier    ZNB-1991-46b-0353 
 Volume    46 
57Author    Requires cookie*
 Title    Neue Strategien zur Synthese von 3,3>3-Trifluoralanin, 2-Deutero-3,3>3-trifluoralanin und ihren Derivaten [1, 2]  
  Reference    Z. Naturforsch. 46b, 361 (1991) 
  Published    1991 
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 TEI-XML for    default:Reihe_B/46/ZNB-1991-46b-0361.pdf 
 Identifier    ZNB-1991-46b-0361 
 Volume    46 
58Author    Klaus Albert, Ernst Bayer, AlfredW. Örsching, Herbert VögeleRequires cookie*
 Title    Investigation of the Hardening Reaction of Gelatin with 13C Labeled Formaldehyde by Solution and Solid State 13C NMR Spectroscopy  
 Abstract    In stitu t für O rganische Chem ie, A u f der M orgenstelle 18, D-7400 T übingen, F R G 
  Reference    Z. Naturforsch. 46b, 385 (1991) 
  Published    1991 
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 Identifier    ZNB-1991-46b-0385 
 Volume    46 
59Author    DerekP N Satchell, MarcelJ F SatchellRequires cookie*
 Title    Distinguishing K inetically between Reaction T ypes A + B —* C and A + 2 B —>C + B. The Relevance to the A lcoholysis o f Ketenes and Related R eactions  
 Abstract    K ing's C ollege L o n d o n , S tran d , L ondon, W C 2 R 2 L S , U .K . Z. N atu rfo rsch . 46b, 391 -3 9 2 (1991); received N ovem ber 6, 1990 K inetics, M echanistic D istinction, K etenes A n a p p aren t discrepancy betw een the kinetics rep o rted for the alcoholysis o f ketenes is resolved by exam ining co n d itio n s u n d er which th ird -o rd er kinetic behav io u r can be m istaken for second-ord er behaviour. 
  Reference    Z. Naturforsch. 46b, 391 (1991) 
  Published    1991 
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 TEI-XML for    default:Reihe_B/46/ZNB-1991-46b-0391_n.pdf 
 Identifier    ZNB-1991-46b-0391_n 
 Volume    46 
60Author    Eckhard Lissel, M. Artin JansenRequires cookie*
 Title    M ischkristallbildung und Natrium ionen- leitung im System N a 3P 0 4/N a 2C 0 3 Solid State Miscibility and Sodium Ion Conduction in the System N a3P 0 4/N a 2C 0 3  
 Abstract    ie d er U n iversität Bonn, G erh ard -D o m ag k -S traß e 1, D -5300 Bonn Z. N aturforsch. 46b, 3 9 3 -3 9 4 (1991); eingegangen am 23. A ugust 1990 Phase D iagram N a 3P 0 4/N a 2C 0 3, Sodium Ion C onductio n N a 3P 0 4 and N a 2C 0 3 form solid solu tio n s with the high-tem perature N a 3P 0 4 stru ctu re and a m axim um co n ten t o f nearly 25 m ole-% N a ,C 0 3 at 873 K an d 15 m ole-% a t room tem p eratu re. The sodium ion cond u ctio n is enhanced due to the creation o f sodium vacancies. In co n tra st to pure N a 3P 0 4 there is a second o rd e r tran sitio n into the highly ionic conducting state. As a result o f ro tatio n al disord er o f the anions the activation energy is low ered. 
  Reference    Z. Naturforsch. 46b, 393 (1991) 
  Published    1991 
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 TEI-XML for    default:Reihe_B/46/ZNB-1991-46b-0393_n.pdf 
 Identifier    ZNB-1991-46b-0393_n 
 Volume    46 
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