Patent ID: 6013811
Filing Date: 2000-01-11
Classification: C07C,C07D,C09B

Abstract:
A process for the preparation of a polycyclic dye of Formula (1): ##STR7## which comprises the steps: i) reaction of a compound of Formula (2): ##STR8## with a compound of Formula (3): ##STR9## or a derivative thereof to form an intermediate of Formula (4): ##STR10## and ii) reaction of the intermediate of Formula (4) with an aromatic compound of Formula (5):B--H Formula (5)optionally in the presence of an oxidising agent, wherein:A and B each independently is optionally substituted aryl or heterocyclic aromatic radical; andX.sup.1 and X.sup.2 each independently is --H, halo, alkyl or alkoxy.