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A facile synthesis of cyanophenothiazines

✍ Scribed by Céacile Marivingt-Mounir; Yvette Mettey; Jean-Michel Vierfond

Publisher
Journal of Heterocyclic Chemistry
Year
1998
Tongue
English
Weight
218 KB
Volume
35
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

A one‐pot synthesis of 1, 3 and 4‐cyanophenothiazines and a two‐step approach to 2‐cyanoisomer have been developed. The condensation of 2‐aminobenzenethiol and 2,3 or 3,4‐dihalogenobenzonitriles followed by Smiles rearrangement or by intramolecular aromatic substitution gave the desired ring systmes.

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## Abstract For Abstract see ChemInform Abstract in Full Text.