WHITENING COSMETIC COMPOSITION CONTAINING 2-ALKYL-5-HYDROXYPHENYL 3-(3,4-DIHYDROXYPHENYL)PROPANOATE

摘要

A 2-alkyl-5-hydroxyphenyl 3-(3,4-dihydroxyphenyl)propanoate and a whitening cosmetic composition containing the same are provided to show WHITENING effect by reducing the generation of melanin through preventing the activity of tyrosinase. A 2-alkyl-5-hydroxyphenyl 3-(3,4-dihydroxyphenyl)propanoate has a structure indicated as the chemical formula (I). In the chemical formula (I), R1 is a n-butyl group and R2 is -OH or a group indicated as the chemical formula (I-a). A method for manufacturing a compound of the chemical formula (I) comprises (i) a step for reacting 5-benzyloxy-2-C1-4 alkylphenol and 3-(3,4-dihydroxyphenyl)propanoate; and (ii) a step for reacting the product of (i) step and hydrogen.