Patent ID: 7368415

Claim:
A photo-labile pro-fragrance conjugate having the formula: wherein R is an oxazolidine unit capable of releasing a fragrance raw material having the formula: wherein R 5 units are selected from: a) C 6 -C 22 substituted or unsubstituted linear alkyl b) C 6 -C 22 substituted or unsubstituted branched alkyl; c) C 6 -C 22 substituted or unsubstituted linear alkenyl; d) C 6 -C 22 substituted or unsubstituted branched alkenyl; e) C 6 -C 22 substituted or unsubstituted cycloalkyl; f) C 6 -C 22 substituted or unsubstituted branched cycloalkyl; g) C 6 -C 22 substituted or unsubstituted cycloalkenyl; h) C 6 -C 22 substituted or unsubstituted branched cycloalkenyl; i) C 6 -C 22 substituted or unsubstituted aryl; j) C 6 -C 22 substituted or unsubstituted heterocyclicalkyl; k) C 6 -C 22 substituted or unsubstituted heterocyclicalkenyl; l) and mixtures thereof; R 6 is selected from the group consisting of hydrogen and methyl; each R 7 is independently hydrogen, methyl or —C(O)OR 9 , and mixtures thereof; R 9 is hydrogen, C 1 -C 12 alkyl, and mixtures thereof; each R 1 is independently hydrogen, a unit which can substitute for hydrogen selected from the group consisting of: i) —NHCOR 30 ; ii) —COR 30 ; iii) —COOR 30 ; iv) —COCH═CH 2 ; v) —C(═NH)NH 2 ; vi) —N(R 30 ) 2 ; vii) —NHC 6 H 5 ; viii) —CON(R 30 ) 2 ; ix) —CONHNH 2 ; x) —NHCN; xi) —OCN; xii) —CN; xiii) F, Cl, Br, I, and mixtures thereof; xiv) —OR 30 ; xv) —NHCHO; xvi) —OH; xvii) —NHN(R 30 ) 2 ; xviii) —NHOR 30 ; xxiv) —CNO; xxv) —NCS; xxvi) —SO 3 M; xxvii) —OSO 3 M; xxviii) —SCN; xxix) —P(O)H 2 ; xxx) —PO 2 ; xxxi) —P(O)(OH) 2 ; xxxii) —SO 2 NH 2 ; xxxiii) —SO 2 R 30 ; xxxiv) —NO 2 ; xxxv) —CF 3 , —CCl 3 , —CBr 3 ; xxxvi) and mixtures thereof, or a C 1 -C 12 substituted or unsubstituted hydrocarbyl unit; R 30 is hydrogen, C 1 -C 20 linear or branched alkyl, C 6 -C 20 aryl, C 7 -C 20 alkylenearyl, and mixtures thereof; M is hydrogen, or a salt forming cation; each R 2 is independently hydrogen, a C 1 -C 12 substituted or unsubstituted hydrocarbyl unit, and mixtures thereof; X is —OH or —NHR 12 , and R 12 is H, C 1 -C 12 substituted or unsubstituted alkyl, and mixtures thereof.