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1976 (1)
1Author    Rupert Herrmann, Helmut SchwarzRequires cookie*
 Title    On the Mechanism of Substituent Interaction During bhe Electron Impact Induced Ether Cleavage from para-Substituted Methoxymethvl Benzenes  
 Abstract    The unusual methyl elimination from para-substituted methoxy-methyl benzenes has been elucidated. It can be shown that two entirely different mechanisms contribute to the reaction: i) intramolecular hydrogen transfer onto the benzene ring (7r-complex formation) and ii) substituent migration via ring expansion. Alternative mechanisms as for instance transanular protonation of the ester function or substituent migration via valence bond isomers are not involved in the formation of the [M-methyl]+-ions. 
  Reference    (Z. Naturforsch. 31b, 1667—1672 [1976]; eingegangen am 24. September 1976) 
  Published    1976 
  Keywords    Mass Spectrometry, Intramolecular Protonation, t-Complex, Rearrangement, Ring Expansion 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-1667.pdf 
 Identifier    ZNB-1976-31b-1667 
 Volume    31