Hydrochloride methanol → 1-[(1R,2R)-2-(2-methylpyrazolo[1,5-a]pyridin-4-yl)cyclopropyl]methanamine dihydrochloride

Participants

Reaction Steps

To a solution of tert-butyl {[(1R,2R)-2-(2-methylpyrazolo[1,5-a]pyridin-4-yl)cyclopropyl]methyl}carbamate (1.71 g, 5.67 mmol) in methanol (6 mL) was added hydrochloric acid-methanol reagent (manufactured by TCI, 18 mL) solution and the mixture was stirred at room temperature for 15 hr. The solvent was concentrated under reduced pressure to give the title compound (1.61 g, yield 100%).

Provenance & Evidence