文档介绍：Advances in
Heterocyclic
Chemistry
Volume 53
Editorial Advisory Board
R. A. Abramovitch, Clemson, South Carolina
A. T. Balaban, Bucharest, Romania
A. J. Boulton, Norwich, England
H. Dorn, Berlin, Germany
J. Elguero, Madrid, Spain
S. Gronowitz, Lund, Sweden
0. Meth-Cohn, Sunderland, England
C. W. Rees, FRS, London, England
E. C. Taylor, Princeton, New Jersey
M. TiSler, Ljubljana, Slovenia
J. A. Zoltewicz, Gainesville, Florida
Advances in
HETEROCYCLIC
CHEMISTRY
Edited by
ALAN R. KATRITZKY, FRS
Kenan Professor of Chemistry
Department of Chemistry
University of Florida
Gainesville, Florida
Volume 53
ACADEMIC PRESS, INC.
Harcourt Brace Jovanovich, Publishers
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This book is printed on acid-free paper. @
Copyright 0 1992 by ACADEMIC PRESS, INC.
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Library of Congress Catalog Number: 62-1 3037
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Contents
PREFACE ........................................................... vii
Dehydroacetic Acid. Triacetic Acid Lactone. and
Related Pyrones
MARCIALMORENO-MARAS AND ROSERPLEIXATS
I . Introduction ................................................... 2
I1 . Spectroscopic and Other Physical Data ............................. 5
111 . Preparation from Open pounds .......................... 11
IV. Natural Occurrence ............................................. 21
V. Reactivity