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1998 (1)
1997 (1)
1Author    GalinaS. Zaitseva3 ', BettinaA. Siggelkowb, SergeyS. Karlov3, GlebV. Pen 'kovoy3, Jörg LorberthbRequires cookie*
 Title    Synthesis and Characterization of l-Allyl-3,7,10-trimethylgermatrane and 1-Allylazagermatranes  
 Abstract    The reaction between Br?GeAll (1) and N(CFhCFIM eOSnBu3)3 (2, mixture o f isomers) yielded N(CFLCHM eO)3G eA ll (3) as a mixture o f diastereomers. Three azagermatranes o f the type N(CH2CH2N R)3GeA ll (9, R = H; 10, R = Me; 11, R = M e3Si) have been synthesized from the reaction o f (M e2N)3G eA ll (5) with N (C H 2CH2N H R)3 (R = H, 6; Me, 7; M e3Si, 8). Composition and structures o f the new compounds were established by elemental analyses, 'H and l3C NM R spectroscopy and mass spectrometry. 
  Reference    Z. Naturforsch. 53b, 1255—1258 (1998); received Jule 13 1998 
  Published    1998 
  Keywords    Germanium, Germatrane, Azagermatranes 
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 TEI-XML for    default:Reihe_B/53/ZNB-1998-53b-1255.pdf 
 Identifier    ZNB-1998-53b-1255 
 Volume    53 
2Author    G. Alina, S. Z. Aitseva11 ', SergeyS K Arlova, ElenaS A Lekseyevaa, LeonidA A Slanova, EvgeniV A Vtom Onovb, JörgL. OrberthbRequires cookie*
 Title    -Allylgermatrane. Synthesis, Structure and Reaction with Diazomethane  
 Abstract    Reaction of allyltribromogermane (2), readily available from dibrom o(l,4-dioxane)ger-manium(II) (1) and allylbromide, with tris(2-tributylstannoxyethyl)-amine (4) gives 1-allylgermatrane (3) in almost quantitative yield. 3 crystallizes from /7-pentane as a colourless crystalline solid which was characterized by 'H and ,3C NMR spectroscopy and by an X-ray crystal structure study. The "atrane" skeleton shows a strong conformational disorder; the Ge-N distance of 2.208(3) A suggests the presence of a coordinative Ge-N bond. Treatment of 1 -allylgermatrane (3) with CH2N2 in the presence of catalytic amounts of Pd(OAc)2 affords 1-cyclopropylmethylgermatrane (5) in high yield. 
  Reference    (Z. Naturforsch. 52b, 30—34 [1997]; received August 16 1996) 
  Published    1997 
  Keywords    Germanium, Germatrane, Cyclopropanation, X-Ray, NMR Spectra 
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 TEI-XML for    default:Reihe_B/52/ZNB-1997-52b-0030.pdf 
 Identifier    ZNB-1997-52b-0030 
 Volume    52