反应详情

A 3.75 g. portion of N-bromosuccinimide is added to a solution of 5.26 g. of 7-(α,α,α-trifluoro-m-tolyl)pyrazolo[1,5-a]pyrimidine in 50 ml. of chloroform producing an exothermic reaction. The mixture is refluxed on a steam bath for 15 minutes and then treated as described in Example 14, giving the desired product, m.p. 138°-140° C.

1. temperatureThe mixture is refluxed on a steam bath for 15 minutes
2. additiontreated