反应详情

The title compound was prepared from 5-(4-chloro-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (example C.4) (171 mg, 0.5 mmol) and 2-amino-N-hydroxy-pyridine-4-carboxamidine (example B.6) (114 mg, 0.75 mmol) according to general procedure II. Obtained after trituration with water and further purification by crystallization (dichloromethane/hexane) as a yellow solid (112 mg, 49%). MS (EI) 457.1 [(M)+]; mp 252° C.

1. customObtained after trituration
2. customwith water and further purification
3. customby crystallization (dichloromethane/hexane) as a yellow solid (112 mg, 49%)