HCID 66650273, compound → HCID 16068130, compound

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Reaction Steps

The title compound was prepared from 5-(4-chloro-3-methyl-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (example C.6) (178 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 flash chromatography on silica gel (ethyl acetate/heptane) and further purification by crystallization (dichloromethane/hexane) as a yellow solid (54 mg, 23%). MS (EI) 472.1 [(M)+]; mp 272° C.

Provenance & Evidence