HRID463712

反应详情

EQUATION

反应方程式

HRID 463712 的结构方程式

PROCEDURE

实验过程

The hydrochloride of 3,4-dihydro-6,7-dimethoxy-1-[(3,4-dimethoxyphenyl)methyl]-4-isoquinoline carboxylic acid methyl ester was prepared by treating 2-(3,4-dimethoxyphenyl)-3-{{[(3,4-dimethoxyphenyl)methyl]carbonyl}amino}propanoic acid methyl ester via the method described for the preparation of 3,4-dihydro-6,7-dimethoxy-1-[(3,4-dimethoxyphenyl)methyl]-4-isoquinolinecarboxylic acid ethyl ester hydrochloride. Crystallization from methanol provided analytically pure 3,4-dihydro-6,7-dimethoxy-1-[(3,4-dimethoxyphenyl)methyl]-4-isoquinolinecarboxylic acid methyl ester, hydrochloride, mp 199°-200°.

WORKUP

后处理

  1. customCrystallization from methanol