反应详情

A solution containing 2.2 g of 4-hydroxy-3-methoxy-5-trifluoromethylbenzaldehyde in 65 ml of 1 molar BBr3 in dichloromethane was stirred for 2 h at room temperature. Hydrochloric acid was added and the organic phase was separated. The solvent was evaporated in vacuo. Yield 1.4 g (68%), m.p. 188°-192° C.

1. customthe organic phase was separated
2. customThe solvent was evaporated in vacuo