GUAIACOL DERIVATIVE, BEAUTIFULLY WHITENING AGENT AND SKIN AGENT FOR EXTERNAL USE

摘要

PROBLEM TO BE SOLVED: To provide the subject new compound having a more excellent beautifully skin-whitening effect than that of hydroquinone and useful as an ingredient for beautifully whitening agents and stable and highly safe skin agents used for external uses and excellent in the beautifully whitening effect. ;SOLUTION: This compound is represented by the formula (R is a 1-18C alkyl, a 3-8C cycloalkyl). For example, 1-(4-hydroxy-3-methoxyphenyl)-1-ethanol. The compound of the formula is obtained e.g. by reacting 4-hydroxy-3- methoxybenzaldehyde with a Grignard reagent of an arbitrary alkyl halide having a 1-18C alkyl or 3-8C cycloalkyl group in an ether solvent.;COPYRIGHT: (C)1999,JPO