A facile synthesis of cyanophenothiazines

C Marivingt??Mounir, Y Mettey…

Index: Marivingt-Mounir, Cecile; Mettey, Yvette; Vierfond, Jean-Michel Journal of Heterocyclic Chemistry, 1998 , vol. 35, # 4 p. 843 - 845

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Abstract

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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