HCID 86611630, compound → HCID 16067910, compound

Participants

Reaction Steps

The title compound was prepared from 7-difluoromethyl-5-(3-fluoro-4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (example C.16) (188 mg, 0.5 mmol) and 6-amino-N-hydroxy-nicotinamidine (example B.4) (114 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 (86 mg, 35%). MS (EI) 491.1 [(M)+]; mp 242° C.

Provenance & Evidence