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Synthesis and Anticancer Activities of Thiazoles, 1,3-Thiazines, and ThiazolidineUsing Chitosan-Grafted-Poly(vinylpyridine) as Basic Catalyst. -A series of thiazoles (III) and (V), 1,3-thiazines (IX), and thiazolidine (VII) is prepared in the presence of an environmentally friendly basic chitosan-grafted-poly(vinylpyridine) catalyst. Newly synthesized products are evaluated for their anti-cancer activity against colon and liver carcinoma cell lines and especially 1,3-thiazines (IX) reveal promising activity. -(RIYADH*, S. M.; GOMHA, S. M.; MAHMMOUD, E. A.; ELAASSER, M. M.; Heterocycles 91 (2015) 6, 1227-1243, http://dx.

Recent Trends in Chemistry of Ethylidenethiocarbonohydrazides -[synthesis and reactions of ethylidenethiosemicarbazides during the period from 2004 to 2015; 28 refs.]. -(RIYADH, S. M.; GOMHA, S. M.; MAHMMOUD, E. A.; World J. Pharm.