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'Cyclopropanation' in keywords Facet   section ZfN Section B  [X]
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1997 (1)
1Author    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