The first aspect of the present invention relates to a photo-activated pro-accord conjugate having the formula:
1
wherein [PHOTO] is a photo-labile unit which upon exposure to electromagnetic radiation is capable of releasing a pro-accord unit; X is selected from oxygen, nitrogen, sulfur; R
1
and R
2
are moieties when taken together comprise an aldehyde or a ketone fragrance raw material, and R
3
comprises hydrogen, a fragrance raw material alcohol, an amine, or a thio compound
本发明的第一个方面涉及一种具有以下式子的光活化原醛共轭物:
1
其中[PHOTO]是一种光敏单元,在暴露于电磁辐射时能够释放出一种原醛单元;X选自氧、氮、
硫;R
1
和 R
2
是共同组成醛或酮
香料原料的分子,而 R
3
包括氢、
香料原料醇、胺或
硫代化合物