Substituted metaaminophenols, a process for their preparation, hair-dyeing compositions containing them and a hair-dyeing process

• Main Authors: JUNINO; ALEX, BUGAUT; ANDREE
• Format: Patent
• Language: English
• Published: 04.09.1990
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; ADHESIVES; CHEMISTRY; DYES; HUMAN NECESSITIES; HYGIENE; LAKES; MEDICAL OR VETERINARY SCIENCE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; ORGANIC CHEMISTRY; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; PAINTS; POLISHES; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS

A new substituted metaaminophenol of formula (I): (I) wherein Z represents a monohydroxylated or polyhydroxylated hydrocarbon radical of 1 to 6 carbon atoms or an aminoalkyl radical of the formula: wherein n is an integer from 1 to 6 and R1 and R2, which are identical or different, represent a hydrogen atom or an alkyl or hydroxyalkyl radical of 1 to 6 carbom atoms or an acyl radical of 1 to 4 carbon atoms, and R represents a hydrogen atom, an alkyl radical or monohydroxyalkyl or polyhydroxyalkyl, monocarbamylalkyl, dicarbamylalkyl, aminoalkyl, acyl, carbalkoxy, carbamyl or monoalkylcarbamyl radical, the abovementioned alkyl radicals containing 1 to 6 carbon atoms, or an acid salt thereof with the proviso that if R represents a hydrogen atom, Z cannot represent -CH2CH2OH is disclosed, together with a process for their preparation, hair-dyeing compositions containing them and a hair-dyeing process.