文档介绍：Advances in
Heterocyclic
Chemistry
Volume 26
Editorial Advisory Board
R. A. Abramovitch
A. Albert
A. T. Balaban
S. Gronowitz
T. Kametani
C. W. Rees
Yu. N. Sheinker
H. A. Staab
M. TiSler
Advances in
HETEROCYCLIC
CHEMISTRY
Edited by
A. R. KATRITZKY
A. J. BOULTON
School of Chemical Sciences
University of East Anglia
Norwich, England
1980
Volume 26
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Contents
CONTRIBUTORS....................... vii
PREFACE ......................... ix
Heterocyclic Betaine Derivatives of Alternant Hydrocarbons
CHRISTOPHERA . RAMSDEN
I . Introduction ...................... 3
I1 . Heterocyclic Betaines lsoelectronic with Odd Alternant
Hydrocarbon Anions ................... 4
111 . The Chemistry of Heterocyclic Mesomeric Betaines ......... 10
IV . The Electronic Structure of Mesomeric Betaines ........... 74
V . Pericyclic Reactions of Mesomeric Betaines ............ 89
VI . Heterocyclic Betaines lsoelectronic with Even Alternant
Hydrocarbon Dianions ................... 97
VII . The Chemistry of Heterocyclic Betaines Derived from Even Alternant
Hydrocarbon Dianions ................... 100
VIII . Conclusion ....................... 104