2-Amino-5-bromopyridine-3-carbonitrile → 2-Amino-5-[7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-nicotinonitrile

Participants

Reaction Steps

The title compound was prepared from 3-ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.1) (355 g, 1.0 mmol) and 2-amino-5-bromo-nicotinonitrile (example C.23 step 1) (200 mg, 1.0 mmol) according to general procedure II. Obtained as a red solid (280 mg, 59%). MS (ISP) 473.2 [(M+H)+]; mp 264° C.

Provenance & Evidence