反应详情

1-(2,3-Dimethylimidazo[2,1-b]-thiazol-5-yl ethanone (Formula N′-1), 0.97 g, was condensed with the 3-toluensulfonamide of benzaldehyde, m.p. 126-127°, prepared from toluene sulfonyl chloride and 3-aminobenzaldehyde, according to non-critical modifications of PREPARATION 15 to provide pure (E)-N-[3-[3-(2,3-Dimethylimidazo[2,1-b]thiazol-5-yl)-3-oxo-1-propenyl]phenyl-4-methylbenzenesulfonamide, m.p. 236-237°, Formula N′-2.

1. customaccording to non-critical modifications of PREPARATION 15