HAIR DYE COUPLER AND PROCESS FOR MAKING

摘要

A substituted m-aminophenol coupler useful in hair dyeing having the formula and acid addition salts thereof wherein x and y are selected from the group consisting of halogen and the groups OR of which R is the same or different alkyl, aminoalkyl or hydroxyalkyl groups, at least one of x or y being a group OR and a process for preparing these compounds.