Dyes having a diazo component and an isoquinoline coupling component

US4491544A · kind A · utility

Assignee

• BASF SE

Inventors

• Volker Radtke · Haßloch, DE
• Heinrich Kowarsch · Oberderdingen, DE
• Erwin Hahn · Heidelberg, DE
• Peter Hauser · Raleigh, US

Key dates

• Filing date: Aug 18, 1982
• Grant date: Jan 1, 1985
• Expiry date: Aug 18, 2002

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B29/3617
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A compound having the formula (I): ##STR1## wherein D is a radical of a heterocyclic or aromatic component selected from the group of aniline, anthraquinone, phthalimide or aminobenzene radicals, wherein the radical is unsubstituted or is substituted by fluorine, chlorine, bromine, nitro, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, trifluoromethyl, cyano, C.sub.1 -C.sub.4 -alkylsulfonyl, carboxylic acid ester groups, carbamyl, sulfamyl, 1,3,4- or 1,2,4-oxadiazolyl or acylamino groups; X is CO-- or --SO.sub.2 --; and R is an aliphatic, aromatic or heterocyclic radical selected from the group of C.sub.1 -C.sub.20 alkyl which is unsubstituted or is substituted by chlorine, bromine, cyano or dialkylamino groups; or phenyl or methyl groups unsubstituted or substituted by fluorine, bromine, methyl, ethyl, methoxy, ethoxy, cyano, carbamyl, sulfamyl or acylamino groups; or amino group; or a radical of the formula: ##STR2## wherein ring a is unsubstituted or is substituted by nitro, fluro, bromine or methoxy groups; and ring b is unsubstituted or is substituted by chlorine, bromine or nitro groups. The majority of the compounds of the formula (I) have yellow hues and are used as pigm…