COMPOSITION AND PROCESS FOR THE OXIDATIVE DYEING OF HAIR ON THE BASIS OF 3-(2',2',2'-TRIFLUORETHYL)AMINOPHENOL DERIVATIVES, AND 3-(2',2',2'-TRIFLUORETHYL)AMINOPHENOL DERIVATIVES

摘要

PCT No. PCT/EP87/00692 Sec. 371 Date Aug. 4, 1988 Sec. 102(e) Date Aug. 4, 1988 PCT Filed Nov. 9, 1987 PCT Pub. No. WO88/04166 PCT Pub. Date Jun. 16, 1988.A composition and a process for the oxidative dyeing of hair based on a combination of developer substance and coupling substance, wherein there is used as the coupling substance a 3-(2',2',2'-trifluoroethyl)aminophenol derivative having the formula (I) (I) wherein the radical R represents an alkyl radical containing 1 to 4 carbon atoms, a mono- or polyhydroxy-alkyl radical containing 1 to 4 carbon atoms and up to 3 hydroxyl groups, an alkoxy radical containing 1 to 4 carbons atoms, a mono- or polyhydroxy-alkoxy radical containing 1 to 4 carbons atoms and up; to 3 hydroxyl groups or a halogen atom or its physiologically compatible salt as well as novel 3'-(2',2',2'-trifluoroethyl)aminophenol derivatives.