Pyranone compounds and skin lightening cosmetic preparations...

Details Pyranone compounds and skin lightening cosmetic preparations... Pyranone compounds and skin lightening cosmetic preparations...

A - Human Necessities

61

K

167/310

A61K 7/021 (1980.01) A61K 7/02 (1980.01)

Patent

CA 1179605

ABSTRACT OF THE DISCLOSURE: Novel acyl compounds 3-acyloxy-4(H)-pyran-4- ones were obtained by reacting 3-hydroxy-4(H)-pyran-4- one with acyl halides. The acyl compounds and their starting compound exhibit a skin-lightening effect on the skin and are preferably used as an active consti- tuent in skin-lightening cosmetic preparations or local demelanizing agents.

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