反应详情

The title compound was prepared from 5-(3-methyl-4-trifluoromethyl-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (example C.8) (195 mg, 0.5 mmol) and 2-amino-N-hydroxy-pyrimidine-5-carboxamidine (example B.5) (115 mg, 0.75 mmol) according to general procedure II. Obtained after purification by flash chromatography (ethyl acetate/heptane) and crystallization (dichloromethane/hexane) as a yellow solid (143 mg, 56%). MS (EI) 506.1 [(M)+]; mp 272° C.

1. customObtained
2. customafter purification
3. customby flash chromatography (ethyl acetate/heptane) and crystallization (dichloromethane/hexane) as a yellow solid (143 mg, 56%)