HRID1724673

反应详情

EQUATION

反应方程式

HRID 1724673 的结构方程式

PROCEDURE

实验过程

4-Chloro-3-[5-chloro-1-(2,4-dimethoxybenzyl)-3-methyl-2-oxoindolin-3-yl]benzoic acid, in the racemic form, is treated with N-ethyl-3-pyridylmethylamine (document WO 01/074775, example 201a) and b)). 4-Chloro-3-[5-chloro-1-(2,4-dimethoxybenzyl)-3-methyl-2-oxoindolin-3-yl]benzoic acid, in the racemic form, is described in the document WO 01/074775, in example 101. After silica chromatography, elution being carried out with a dichloromethane/methanol 90/10 mixture, the expected compound, in the racemic form, is obtained crystallized from methanol (white powder).

WORKUP

后处理

  1. washAfter silica chromatography, elution