Cosmetic composition containing as colorant at least one 5-methoxy-8-methyl-2-phenyl-7H-1-benzopyran-7-one derivative
AssigneeL'oreal
InventorsBeatrice Belcour, Richard Martin, Georges Hussler
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Abstract
A cosmetic composition containing at least one derivative of 5-methoxy 8-methyl 2-phenyl 7H-1-benzopyran-7-one, the method of preparing these derivatives, and novel derivatives are disclosed. The cosmetic composition contains at least one compound of formula (I) ##STR1## as a coloring in a suitable cosmetic carrier, wherein R is a methyl, hydroxymethyl, or methoxymethyl radical. The cosmetic compositions may include lipsticks, nail varnishes, hair lotions and face make-up products.
Claims21
A cosmetic composition, comprising a colorant, in a suitable cosmetic excipient, said colorant being at least one compound corresponding to the following formula:
- ##STR4## in which:
- R represents a methyl, hydroxymethyl or methoxymethyl radical.
A process for preparing a colorant of the following formula:
- ##STR5## wherein R represents a methyl, hydroxy methyl or methoxymethyl radical, said method comprising the steps of:
- preparing and culturing calluses of Basella rubra in a first, suitable nutrient medium containing, as auxin, naphthalene acetic acid and a cytokinin,
- transferring the calluses obtained to a second nutrient medium, referred to as the transfer medium, and
- culturing said calluses in said transfer medium containing, as auxin, 2,4-dichlorophenoxyacetic acid, to obtain a biomass
- separating the transfer medium from said biomass,
- subjecting the said transfer medium to an extraction and, optionally,
- isolating the compounds of formula (I) from the extract.
A compound of the formula (II):
- ##STR6## in which:
- R' represents a hydroxymethyl or methoxymethyl radical.
Dependencies are inferred from the claim text.