PARADIGMS AND PARADOXES - RESONANCE IN AROMATIC AND HETEROAROMATIC O-DICARBOXYLIC ACIDS, THEIR ANHYDRIDES AND IMIDES

Authors
LIEBMAN JF MORKVED EH
Citation
Jf. Liebman et Eh. Morkved, PARADIGMS AND PARADOXES - RESONANCE IN AROMATIC AND HETEROAROMATIC O-DICARBOXYLIC ACIDS, THEIR ANHYDRIDES AND IMIDES, Structural chemistry, 6(3), 1995, pp. 207-209
Citations number
8
Categorie Soggetti
Chemistry
Journal title
Structural chemistry → ACNP
ISSN journal
10400400
Volume
6
Issue
3
Year of publication
1995
Pages
207 - 209
Database
ISI
SICI code
1040-0400(1995)6:3<207:PAP-RI>2.0.ZU;2-5
Abstract
It is found that o-dicarboxylic acids derived from pyrrole and 1,2,5-t hiadiazole do not form cyclic anhydrides as readily as phthalic acid. This is discussed in terms of ionic resonance structures and derived s tabilization of the anhydrides and acids.