Mono aryl azo-mono-iminoisoindolinone dyestuffs

摘要

Iminoisoindolinone dyestuffs of the formula <IMAGE> wherein X is halogen, Y halogen, alkoxy, cycloalkoxy, aralkoxy or aryloxy, Y1 hydrogen, halogen, alkyl or alkoxy having 1 - 4 c-atoms, Y2 alkyl, alkoxy or alkanoylamino having 1 - 4 c-atoms or benzoylamino, Z chlorine or methyl and R alkyl having 1 - 4 c-atoms or aryl which are useful for pigmenting high molecular organic material.