Yellow-red basic azo cpds - for dyeing/printing paper acrylonitrile (co) polymers,acid modified polyesters and polyamides,l

摘要

Title cpds. are of formula (I): (where X is a gp. of formula: n is 1 - 4; Y is opt. branched, opt. substd. alkylene or opt. substd. phenylene; Y1 is a direct bond, -CO-NH, -NH-CO-NH-, -N=N-, -O-, -S-, -S-S-, -SO2-, -CH=CH or opt. substd. alkylene; Y2 is H, halogen or opt. substd. alkyl or alkoxy; R1 and R2 are H or opt. substd. hydrocarbon; the aromatic rings Z1 -Z10 may be substd. by non-water-solubilising substs; R1 and R2 and the N atom attached to R1 may form a satd. or partially satd. heterocycle.).