AZOFARBSTOFFE AUF DER BASIS VON 2-HYDRAZINOTHIAZOLEN, DEREN VERWENDUNG ZUM FAERBEN UND BEDRUCKEN VON FASERMATERIALIEN SOWIE FUER DEN SUBLIMATIONSTRANSFERDRUCK.

摘要

2-Substd. phenylazo-thiazole dyes of formula (I) are new; where R1=Cl, CN or COOX; R2=CN or COOX; R3=H, 1-4C alkyl or alkoxy, Cl, OH or NHCOX; R4=1-8C alkyl, -A-Q or (AO)nX; Q=CN, COOX, OX.OCO2X, OCOX; R5=H, phenyl (1-3C)alkyl or R4; R6=H, Cl or 1-4C alkoxy; X=1-4C alkyl; A=2-4C alkylene; n=1-4; proviso: R1 and R2 are identical if R1=CN or COOX. Also new are the intermediates (IIa), (IVa) and (IVb); where R1=Cl or CN; R2=CN or COOX, and must be CN if R1=CN.