Mono and disazo compounds based on b-hydroxy-naphthoic acid derivatives or acetoacetarylide derivatives containing long-chain alkyl ester or alkylamide radicals

US4946948A · kind A · utility

Assignee

• Ciba-Geigy · US

Inventors

• Stefan Hari · Allschwil, CH
• Fridolin Babler · Marly, CH

Key dates

• Filing date: Aug 31, 1989
• Grant date: Aug 7, 1990
• Expiry date: Aug 31, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B43/124
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Compounds of formula I: ##STR1## wherein R is a radical of the formula --OR.sub.3 or --NHR.sub.3, A is a radical of formula II or III: ##STR2## B is a radical of the formula ##STR3## n is the number 1 or 2, R.sub.1 is --H or --Cl, R.sub.2 is --H, halogen, --NO.sub.2, --CN, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, --CF.sub.3, C.sub.2 -C.sub.5 alkoxycarbonyl or --CONH-phenyl, --NHCO-phenyl or phenoxy which is unsubstituted or substituted on the phenyl ring by one or two chlorine atoms or one or two methyl, methoxy or ethoxy groups, R.sub.3 is alkyl containing at least 10 C atoms, R.sub.4 and R.sub.5 are each independently of the other --H, halogen, --NO.sub.2, --CN, --CF.sub.3, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, R.sub.6 is --H, --Cl, --Br, --CH.sub.3 or --OCH.sub.3 and X is --H, --Br, --OCH.sub.3, --CN or --NO.sub.2, are suitable as pigments, especially for coloring polyolefins, as well as novel intermediates of the formula ##STR4## wherein n is the number 1 or 2, R is a radical of the formula --OR.sub.3 or --NHR.sub.3, R.sub.1 is --H or --Cl, R.sub.2 is --H, halogen, --NO.sub.2, --CN, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, --CF.sub.3, C.sub.2 -C.sub…