反应详情

2-thienylethlamine was reacted with formaldehyde to give the corresponding formimine, which was then added to a solution of hydrochloric acid in DMF, resulting in cyclization to tetrahydrothienopyridine hydrochloride. The DMF used was anhydrous, KF≦0.05%, to avoid formimine hydrolysis.

1. customto give the corresponding formimine, which