New indophenol dyestuff cpds. used in transfer printing - prepd. by condensing 4-aminophenol-nitroso or carbonyl deriv. with phenol cpd.

摘要

New indophenol dyestuffs (I) are of the formula (I) (where X = N or CH; Q = a 5-membered aromatic heterocycle, opt. with an enellated benzene ring and 1-3N, O and S hetero-atoms; K =a gp. of formula (IIa-m): R1 and R2 = H, (substd.) 1-8C alkyl, opt., with 1 or 2 O atoms in the chain; or 5-7C cycloalkyl; R3 = H; 1-2C alkyl; MeO; or EtO; R4 = H; Me; MeO; 1-4C alkylsulphonylamino; 1-4C mono- or dialkylaminosulphonylamino; -NHCOR8; pr -NHCO2R8; R8 = phenyl; benzyl; tolyl; or 1-8C alkyl, opt. with 1 or 2 atoms in the chain; R5 = H; halogen; 1-8C alkyl, phenyl or benzyl, opt. substd. by 1-4C alkyl or 1-4C alkoxy; thienyl; OH; or 1-8C monoalkylamino; R6 = H or Me; R7 = H; Me; MeO; or acetylamino; ring A may have an anellated (substd.) benzene ring. - (I) can be prepd. (not claimed) by condensing a 4-aminophenyl-nitroso or carbonyl cpd. with a phenol cpd. (III); or by oxidative condensation of a phenylene diamine with (III) or its 4-chloro deriv.