反应详情

Prepare by the method of example 30.3 using 1-tert-butoxycarbonyl-4-cyano-4-(pyridin-3-yl)-piperidine (3 mmol) and HCl in dioxane (40 mmol, 4N). Concentrate the solvent in vacuo and dry under high vacuum to give the title compound.

1. concentrationConcentrate the solvent in vacuo
2. customdry under high vacuum