反应详情

温度

100 °C

A solution of 0.6 g (0.003 mol) of methyl 3-carbamothioylbenzoate in 6 ml of acetic acid was charged with 1.15 g (0.009 mol) of chloroacetaldehyde dimethyl acetal and a catalytic amount of PTSA. The RM was heated to 100° C. over night. Acetic acid was removed under vacuum and the crude product was purified by 60-120 silica gel column using 5% of ethyl acetate in pet ether as eluent to provide methyl 3-(thiazol-2-yl)benzoate (0.5 g) as a white solid.

1. customAcetic acid was removed under vacuum
2. customthe crude product was purified by 60-120 silica gel column