HCID 66650321, compound → HCID 16067517, compound

Participants

Reaction Steps

The title compound was prepared from 5-(4-chloro-phenyl)-7-methyl-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (example C.24) (144 mg, 0.5 mmol) and N-hydroxy-5-sulfamoyl-thiophene-2-carboxamidine (example B.2) (166 mg, 0.75 mmol) according to general procedure II. Obtained after purification by column chromatography (dichloromethane/MeOH/NH4OH)) and crystallization (MeOH/dichloromethane) as a light yellow solid (79 mg, 33%). MS (ISP) 473.3 [(M+H)+]; mp 253° C.

Provenance & Evidence