Hantzsch ester → HCID 90409680, compound

Participants

Reaction Conditions

Reaction Steps

A solution of 1-pyrazin-2-yl-1H-[1,2,3]triazolo[4,5-c]pyridine (Intermediate 40) (50 mg, 0.25 mmol) in THF (2.0 mL) was treated with 2-chloro-3-(trifluoromethyl)benzoyl chloride (67 mg, 0.28 mmol) and stirred for 5 minutes. The reaction was treated with Hantzsch Ester (269 mg, 1.0 mmol) and heated to 80° C. in sealed tube for 90 min. Reaction was concentrated and purified on 16 g SiO2 with 0-50% EtOAc/hexanes to yield 87 mg (85% yield) MS (ESI): mass calcd. for C17H10ClF3N6O, 406.1. m/z found, 407.1 [M+H]+.

Provenance & Evidence