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'Capto dative Am inyls' in keywords
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1989 (1)
1Author    Gabriela Stănciuca, MironT C Ăproiua, Horia Căldărarub, Agneta Caragheorgheopolb, Titus Constantinescub, A. Lexandru, T. B. AlabancRequires cookie*
 Title    Factors Affecting Stability and Equilibria of Free Radicals, XVII+ EPR Evidence for Formation of N-AIkoxypicramides on Oxidation of N-Alkoxy-dinitroanilines. Electronic Structure of Aminyl Radicals  
 Abstract    Oxidation of N-alkoxy-2,6-or -2,4-dinitroanilines with various oxidizing agents yields the corre­ sponding N-alkoxydinitrophenyl-am inyls, which then undergo spontaneous conversion into the corresponding N-alkoxy-2.4.6-trinitrophenyl-am inyls. The EPR spectra o f all these persistent aminyls are presented and discussed. Such disproportionations did not occur in capto-dative diaryl-aminyls which had lower spin densities on the electron-acceptor group than the present N-alkoxy-polynitrophenyl-am inyls (these have, in addition, N —O bonds which are less strong than N —C bonds). Electronic structures o f diaryl-aminyls and N-alkoxy-aryl-aminyls are discussed: both are ;r-radicals, but they probably possess at the nitrogen atom an approximately linear, and a kinked structure, respectively. 
  Reference    Z. Naturforsch. 44b, 1459 (1989); received June 26 1989 
  Published    1989 
  Keywords    Capto-dative Am inyls, EPR Spectra, D isproportionation, jr-Radicals 
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 TEI-XML for    default:Reihe_B/44/ZNB-1989-44b-1459.pdf 
 Identifier    ZNB-1989-44b-1459 
 Volume    44