Indoline-based products, processes for preparing them and their use in cosmetics

US5583234A · kind A · utility

Assignee

• L'Oreal · FR

Inventors

• Alain Lagrange · Coupvray, FR
• Herv e Andrean · Paris, FR
• Alex Junino · Livry-Gargan, FR

Key dates

• Filing date: Dec 29, 1993
• Grant date: Dec 10, 1996
• Expiry date: Dec 29, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B69/104
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

An indoline product obtained by oxidizing at least one compound of formula (I), ##STR1## wherein R.sub.1 and R.sub.3 independently represent a hydrogen atom or a C.sub.1-4 alkyl grouping; R.sub.2 represents a hydrogen atom, a C.sub.1-4 alkyl grouping, a carboxyl grouping or C.sub.1-4 alkoxycarbonyl; R.sub.4 is a hydrogen atom, a C.sub.1-4 alkyl grouping, hydroxyl, C.sub.1-4 alkoxy, C.sub.1-10 amino or alkylamino, or halogen; R.sub.5 is a hydrogen atom, a hydroxyl grouping, C.sub.1-4 alkoxy or amino; with the proviso that at least one of the radicals R.sub.4 or R.sub.5 is a hydroxyl, alkoxy or amino grouping, and that when R.sub.5 is an amino grouping, R.sub.4 is not an alkylamino radical; R.sub.4 and R.sub.5 may also form a C.sub.1-2 alkylenedioxy ring and are in positions 5 and 6; and corresponding salts thereof. Said product may be used in cosmetics as make-up for the hair, eyebrows, eyelashes, nails, etc., and/or skin.