反应详情

Prepared by the saponification procedure described in Example 7 from 41.2 g (0.15 mole) of 5-methoxy-1-methyl-3-(1-methylethoxy)-1H-indole-2-carboxylic acid methyl ester and 16.7 g (0.30 mole) of potassium hydroxide. The crude acid product was 18.3 g (47% yield). A sample recrystallized from aqueous 2-methoxyethanol was analytically pure, mp 110°-112° C.

1. customPrepared by the saponification procedure
2. customA sample recrystallized from aqueous 2-methoxyethanol