HRID444073

反应详情

EQUATION

反应方程式

HRID 444073 的结构方程式

PROCEDURE

实验过程

5-Bromo-2,3-dihydro-3,3-dimethylbenzofuran-2-one (39.2 g, 0.162 mole) was treated with cuprous cyanide (17.9 g, 0.2 mole) in dimethyl formamide (40 ml) (as in example 2). Recrystallisation (twice) of the product from ethanol yielded 14 g (45%) title product m.p. 138°-140° C.

WORKUP

后处理

  1. customRecrystallisation (twice) of the product from ethanol