Scheme 7.

From

A Convenient Synthesis of Ethyl 1-Amino-3-(Substituted Phenyl)-2-Cyano-3H-Benzo[4,5]Thiazolo-[3,2-a]Pyridine-4-Carboxylate Derivatives and Some of their Reactions

Hany M. Mohamed

World Journal of Organic Chemistry. 2014, 2(1), 1-8 doi:10.12691/wjoc-2-1-1