Patent ID: 7534751
Filing Date: 2009-05-19
Classification: A61K,A61Q,C07C,C07D,C11D

Abstract:
1. A photo-activated pro-fragrance conjugate comprising: a) a photo-labile unit which upon exposure to electromagnetic radiation is capable of releasing a pro-fragrance unit; and b) a pro-fragrance unit comprising at least one nitrogen atom, and an optional linking moiety, said at least one nitrogen atom being bound directly to said photo-labile unit, or indirectly to said photo-labile unit by said linking moiety, via a chemical bond capable of being broken when said conjugate is exposed to electromagnetic radiation, wherein said pro-fragrance unit has the formula: wherein Z is oxygen or sulfur; and the index m is 1, 2 or 3, R R said R each R the index m is an integer from 1 to 3.