N,N-dialkylamino diphenylamines for dyeing keratinic fibers

US4008999A · kind A · utility

Assignee

• Societe Anonyme dite: L'OREAL · FR

Inventors

• Gregoire Kalopissis · Paris, FR
• Andree Bugaut · Boulogne-sur-Mer, FR
• Francoise Estradier · Paris, FR

Key dates

• Filing date: Feb 21, 1975
• Grant date: Feb 22, 1977
• Expiry date: Feb 21, 1995

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C275/40
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Diphenylamine of the formula ##STR1## wherein R.sub.1 and R.sub.4 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl having 1-6 carbon atoms, lower alkoxy having 1-6 carbon atoms, amino, lower alkyl amino wherein the alkyl moiety has 1-6 carbon atoms, acylamino, lower carbamylalkyl amino wherein the alkyl moiety has 1-6 carbon atoms, lower hydroxylalkyl amino wherein the alkyl moiety has 1-6 carbon atoms, lower carbalkoxy amino wherein the alkoxy moiety has 1-6 carbon atoms and ureido; PA1 R.sub.2 and R.sub.3 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl having 1-6 carbon atoms, lower alkoxy having 1-6 carbon atoms, acylamino and ureido; PA1 R.sub.5 and R.sub.8 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl having 1-6 carbon atoms and lower alkoxy having 1-6 carbon atoms; and PA1 R.sub.6 and R.sub.7 are lower alkyl having 1-6 carbon atoms, with the proviso that (a) when both R.sub.6 and R.sub.7 represent methyl (1) one of R.sub.1 and R.sub.4 must represent a member selected from the group consisting of amino…