反应详情

A solution of (R)-5-[N-(t-butyloxycarbonyl)-2-aminopropyl]-1,3-benzodioxole-2,2-dicarboxylic acid diethyl ester (3.0 g, 7 mMol) in ethyl acetate (40 ml) and hydrogen chloride solution in diethyl ether (1M, 56 ml, 56 mMol) was stirred at ambient temperature under an argon atmosphere for 48 hours. The solvent was evaporated and the residue was dried giving the title compound as a glass.

1. customThe solvent was evaporated
2. customthe residue was dried