| abstract |
An ultraviolet ray protection agent including a compound having an ultravioletnray protection effect as an active ingredient. The compound is expressed by generalnformula I':n nwherein X represents NH or O; Y' represents a vinyl group substituted by a methylngroup or a phenyl group, or a phenyl group substituted by a methoxy group or anfluorine atom, or a naphthyl group; and Z represents a phenyl group substituted by anmethyl group, a carboxyl group or a nitro group, or a naphthyl group. The compoundnrepresented by the general formula I' includes both novel compounds of the presentninvention and known compounds. The ultraviolet ray protection agent of the presentninvention offers outstanding ultraviolet ray protection effectiveness and is very safe. |