| abstract |
(57) [Summary] Formula (1): A polycyclic dye of formula (2): And a compound of formula (3): Wherein Ring A is unsubstituted or substituted with 1 to 5 groups; Ring B is unsubstituted or substituted with 1 to 5 groups; X and X 1 independently of one another represents --H, halogen, cyano, alkyl or aryl; X 2 and X 3 independently of one another halogen; Z represents --CN, --CO 2 R or --CONR 1 R 2 ; Provided that R represents optionally substituted alkyl, optionally substituted aryl or optionally substituted aralkyl, and R 1 and R 2 independently of one another represent —H, alkyl, aryl or aralkyl. ] The method of manufacturing by making it react with the compound shown by these. Also, patent protection is claimed for the process for the preparation of compounds of formula (3) and for the novel compounds of formula (3). The compounds of formula (1) are particularly useful as dyes for coloring synthetic fiber materials. |