反应详情

A 13.3 g portion of 3-chloro-7-[3-(trifluoromethyl)phenyl)pyrazolo[1,5-a]pyrimidine and 7 g of sodium cyanoborohydride in 150 ml of acetic acid, were reacted as described in Example 1, giving 6.7 g of 3-chloro-4,5-dihydro-7-[3-(trifluoromethyl) phenyl]pyrazolo[1,5-a]pyrimidine.