申请人:Octel Chemicals Limited
公开号:US05416235A1
公开(公告)日:1995-05-16
A process for the preparation of aromatic compounds of the general formula I, Ar--X I in which Ar represents an optionally substituted aryl group and X represents a group OH, Cl, Br or CN, by reaction of an aryl diazoniumsalt of the formula II, Ar--N.dbd.N.sup.+ Y.sup.- II in which Ar is as defined above and Y represents a suitable counterion, with water, hydrogen chloride or a salt thereof, hydrogen bromide or a salt thereof, or a cyanide in the presence of a copper(I)salt, characterized in that the copper(I)salt is a copper(I)salt derived from an hydroxy carboxylic acid.
一种制备通式I的芳香化合物的方法,其中Ar代表可选择取代的芳基团,X代表OH、Cl、Br或CN基团,通过将通式II的芳基重氮盐Ar--N.dbd.N.sup.+ Y.sup.- II(其中Ar如上定义,Y代表适当的对离子)与水、盐酸或其盐、溴化氢或其盐,或氰化物在铜(I)盐存在下反应,其特征在于铜(I)盐是由羟基羧酸衍生的铜(I)盐。