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Reactions of Glutaconic and Homophthalic Anhydrides with Imidates, Imidoyl Chlorides, and 1-Chloroisoquinoline

✍ Scribed by Stanoeva, Elena ;Haimova, Marietta ;Ognyanov, Vassil

Publisher
John Wiley and Sons
Year
1984
Tongue
English
Weight
303 KB
Volume
1984
Category
Article
ISSN
0947-3440

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✦ Synopsis

Abstract

Glutaconic anhydride (9) reacts with N‐substituted benzimidoyl chlorides 3 to give the corresponding (Z)‐3‐[(amino)(phenyl)methylene]pyrandiones 12, whereas with 1‐chloroisoquinoline (4) the benzo[a]quinolizinone 13 is obtained. The reactions of α‐methylhomophthalic anhydride (10) with 3 and the imidate 7 lead to the 1 (2__H__)‐isoquinolinones 14 and 19, respectively, and with 4 to the 13‐methyldibenzo[a,g]quinolizinone 15. The interaction of homophthalic anhydrides 1a, b with 3 aiming at the preparation of α‐condensation products is investigated.

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