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'Amine' in keywords Facet   Publication Year 2000  [X]
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2000[X]
1Author    Hiroyuki IshidaRequires cookie*
 Title    Protonation Effect on C-N Bond Length of Alkylamines Studied by Molecular Orbital Calculations  
 Abstract    Molecular orbital calculations were performed for the six saturated alkylamines (CH 3 NH 2 , (CH 3) 2 NH, (CH 3) 3 N, CH 3 CH 2 NH 2 , (CH 3) 2 CHNH 2 , (CH 3) 3 CNH 2), their protonated cations (CH 3 NH 3 + , (CH 3) 2 NH 2 + , (CH 3) 3 NH + , CH 3 CH 2 NH 3 + , (CH 3) 2 CHNH 3 + , (CH 3) 3 CNH 3 +), and (CH 3) 4 N + using the Hartree-Fock, second-order M0ller-Plesset, and density functional theory methods with the 6-311+G(d,p) basis set. Protonation lengthens the C-N bonds of the amines by 0.05 -0.08 A and shortens the C-C bonds of CH 3 CH 2 NH 2 , (CH 3) 2 CHNH 2 , and (CH 3) 3 CNH 2 by ca. 0.01 A. 
  Reference    Z. Naturforsch. 55a, 769—771 (2000); received August 8 2000 
  Published    2000 
  Keywords    Protonation, Amine, HF, DFT 
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 TEI-XML for    default:Reihe_A/55/ZNA-2000-55a-0769.pdf 
 Identifier    ZNA-2000-55a-0769 
 Volume    55 
2Author    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