Photo-activated pro-fragrances

Details Photo-activated pro-fragrances Photo-activated pro-fragrances

C - Chemistry, Metallurgy

07

C

C07C 69/732 (2006.01) A61K 8/37 (2006.01) A61K 8/41 (2006.01) A61K 8/46 (2006.01) A61Q 13/00 (2006.01) A61Q 15/00 (2006.01) A61Q 19/00 (2006.01) A61Q 19/10 (2006.01) C07C 323/16 (2006.01) C11D 3/50 (2006.01)

Patent

CA 2439520

The first aspect of the present invention relates to a photo-activated pro- accord conjugate having the formula (I), wherein [PHOTO] is a photo-labile unit which upon exposure to electromagnetic radiation is capable of releasing a pro-accord unit; X is a heteroatom selected from oxygen, nitrogen, sulfur; R1 and R2 are moieties when taken together comprise an aldehyde or a ketone fragrance raw material, and R3 comprises a fragrance raw material alcohol, amine, or thio compound.

Le premier aspect de l'invention concerne un conjugué de pro-accord photoactivé de formule (I), où [PHOTO] est une unité photolabile qui lors de son exposition aux rayonnements électromagnétiques peut libérer une unité de pro-accord ; X est un hétéroatome sélectionné dans oxygène, azote, soufre ; R?1¿ et R?2¿ sont des fractions qui, lorsqu'elles sont prises ensemble, comprennent une matière première de parfum à base d'aldéhyde ou de cétone, et R?3¿ comprend une matière première de parfum à base d'alcool, d'amine, ou de composé thio.

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