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1Author    S. HuRequires cookie*
 Title    One-Pot Preparation of o-Xylylene Diam ine and its Related Am ines  
 Abstract    -ich i K a w a h a ra a n d T ad afu m i U c h im a ru * D epartm ent A m ethod for one-pot preparation of o-xyly-lene diamine, 1,8-diaminomethylnaphthalene, and l,2,4,5-tetrakis(aminomethyl)benzene has been developed. The procedure is simpler and the yield of the reaction is higher than by the conven­ tional method. 
  Reference    Z. Naturforsch. 55b, 985—987 (2000); received May 18 2000 
  Published    2000 
  Keywords    Amines, Halides, Staudinger Reaction 
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 TEI-XML for    default:Reihe_B/55/ZNB-2000-55b-0985_n.pdf 
 Identifier    ZNB-2000-55b-0985_n 
 Volume    55 
2Author    Requires cookie*
 Title    Reaktionen koordinierter Liganden, V1  
 Abstract    Reaktionen an funktionellen Gruppen von Azido-, Amino-und Hydrazidophosphinkomplexen des Typs cis-Mo(CO)4L2 Reactions of Coordinated Ligands, V 1 Reactions a t Functional Groups of Azido-, Amino-, and Hydrazidophosphine Complexes of the Type a\s-Mo(CO)4L 2 O t h m a r S t e l z e r *, H a n s -B e r n h a r d E i k m e i e r u n d G e r d J o h a n n s e n Azidophosphine The azidophosphine complexes cis-Mo(CO)4 (R2PN3)2 (R = Me, Ph) may be ob­ tained by nucleophilic displacement reactions of chlorine by azide ion in complexes cis-Mo(CO)4 (R2PCl)2-The thermal decomposition and Staudinger reactions were studied. Silylation of NH-or NH2-functional groups in aminophosphine and hydrazinophosphine complexes with MesSiCl, Me2SiCl2 or Me2SiCl-SiClMe2 leads to a series of monodentate or bidentate silylaminophosphine complexes, e.g. (CO)4Mo(R2PNHSiMe3)2, (CO)4Mo-(R2PNH)2SiMe2, (CO)4Mo(R2PNH)2(SiMe2)2, (CO)4Mo[R2PN(SiMe3)(SiMe3)NPR2] or (CO)4Mo[R2P-N(SiMe3)SiMe2-SiMe2-N(SiMe3)PR2]. The structures of these complexes are discussed on the basis of their IR and NMR spectra. 
  Reference    (Z. Naturforsch. 32b, 1449—1454 [1977]; eingegangen am 6. Juli 1977) 
  Published    1977 
  Keywords    Complexes, Staudinger Reaction, Silylation, Aminophosphine Complexes 
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 TEI-XML for    default:Reihe_B/32/ZNB-1977-32b-1449.pdf 
 Identifier    ZNB-1977-32b-1449 
 Volume    32 
3Author    PeterG. Jones, Anke Meyer, Reinhard Schmutzler, FrauM. Prof, BeckeRequires cookie*
 Title    Uber die Darstellung neuer spirocyclischer N,N'-Dimethylsulfamid-substituierter Phosphorverbindungen und N,N'-DimethyIsulfamid-verbrückter Diphosphorverbindungen The Preparation of New Spirocyclic N,N'-Dimethylsulphamide-Substituted Phosphorus Compounds, and of Some N,N'-Dimethylsulphamide-Bridged Diphosphorus Compounds  
 Abstract    The reactions of 4-chloro-l,3,5,7-tetramethyl-2,2,6,6-tetraoxa-2,6-dithia-l,3,5,7-tetraaza-4x:'-phosphaspiro[3.3]heptane (1) with trimethylsilyl compounds and sodium azide led to a series of spirocyclic N,N'-dimethylsulphamide-substituted phosphoranes (2—5). The nature of the penta-aza-spirophosphorane (4) was confirmed by an X-ray crystal structure determination (C2/c, a = 991.8(4), b = 1185.6(6), c = 1224.9(5) pm ,ß= 108.64(3)°, Z = 4, R = 0.041 for 1065 unique observed reflections); a crystallographic twofold axis passes through phosphorus and the nitrogen atom of the NMe2 group. The geometry at phosphorus is to a good approximation trigonal bipyramidal. The azido-spirophosphorane (5) undergoes Staudinger-type reactions with phosphorus(III) com­ pounds (PPh3, dppm) to form the mixed-valence phosphorus compounds 6—8 . The reaction of N,N'-dimethylsulphamide or N,N'-dimethyl-N,N'-bis(trimethylsilyl)-sulphamide with dichloro-phosphines RPC12 (R = Me, Ph) in a molar ratio 1:2 leads to the formation of the acyclic N,N'-dimethylsulphamide-bridged diphosphorus compounds 9 and 10, respectively. The spectro­ scopic properties (and, for 4, the X-ray crystal structure) of the products are compared with those of analogous urea-bridged phosphorus compounds. 
  Reference    Z. Naturforsch. 45b, 175 (1990); eingegangen am 26. Juni/7. September 1989 
  Published    1990 
  Keywords    Spirophosphoranes, NN'-Dimethylsulphamide, X-Ray, Staudinger Reactions, Diphosphorus Compounds 
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 TEI-XML for    default:Reihe_B/45/ZNB-1990-45b-0175.pdf 
 Identifier    ZNB-1990-45b-0175 
 Volume    45