反应详情

1-(6,7,8,9-Tetrahydro-5H-cyclohept[d]imidazo[2,1-b]thiazol-3-yl)-ethanone (Formula N-4, 1.8 g in THF (50 mL) was condensed with 3,5-difluorobenzaldehyde according to non-critical variations in PREPARATION 15 to yield pure 3-(3,5-Difluorophenyl)-1-(6,7,8,9-tetrahydro-5H-cyclohept[d]imidazo[2,1-b]thiazol-3-yl)-2-propene-1-one (Formula N-5, X=3,5-difluoro), 0.51 g, m.p. 207-209°.

1. customin PREPARATION 15