反应详情

A solution of 15 g (0.0578 mol) of 4-(4-chlorophenoxy)-phenoxy-acetonitrile prepared as indicated in Example 29a) and of 3.7 ml (0.0637 mol) of anhydrous ethanol in 75 ml of anhydrous diethyl ether is kept at about -5° C. and a stream of dry hydrogen chloride gas is passed into it for 2 hours. Thereafter the reaction mixture is left for 4 hours at about 2° C. and 19.25 g of a white powder are isolated by filtration.

1. customis kept at about -5° C.