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Formation and isomerization of 3H,6H-2.5-bisaryl-1,2-thiazolino[5,4-d]1,2-thiazoline-3,6-dithiones - derivatives of a new heterocyclic system

✍ Scribed by Egon Fanghänel; Bernd Kordts; Andreas M. Richter

Publisher
Elsevier Science
Year
1989
Tongue
French
Weight
374 KB
Volume
45
Category
Article
ISSN
0040-4020

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## Abstract The synthesis of derivatives of 2,3‐dihydroimidazo[1,5,4‐__ef__][1,2,5]benzothiadiazepin‐6(4__H__,7__H__)‐thione 1,1‐dioxide is reported starting from __N__‐substituted ethyl 2‐(5‐chloro‐2‐nitrobenzenesulfonamido)‐2‐alkyl‐acetates. Fundamental steps of the synthetic pathway were: i) int