Methanol → 3-(2-Fluorobenzyl)imidazo[1,5-a]pyridine-1-carbohydrazide

Participants

Reaction Conditions

Reaction Steps

150 mg (0.50 mmol) of ethyl 3-(2-fluorobenzyl)imidazo[1,5-a]pyridine-1-carboxylate from example 7A are introduced into a mixture of 1 ml of methanol and 0.5 ml of THF, and 503 mg (10.1 mmol) of hydrazine hydrate are added. The mixture is heated firstly at 65° C. for 4 h and then at 90° C. for 10 h. It is then concentrated to dryness. The resulting crude product (157 mg, quantitative) is reacted without further purification.

Provenance & Evidence