Patent ID: 6987084
Filing Date: 2006-01-17
Classification: A61K,A61Q,C07C,C07D,C11D

Abstract:
1. A photo-labile pro-fragrance conjugate having the formula: wherein said [photo-labile unit] is sciected from the group consisting of: wherein each R 1 is independently hydrogen, a unit which can substitute for hydrogen, C 1 -C 12 substituted or unsubstituted hydrocarbyl unit; said units which can substitute for hydrogen are selected from the group consisting of; i) —NHCOR ii) —COR iii) —COOR iv) —COCH═CH v) —C(═NH)NH vi) —N(R vii) —NHC viii) ═CHC ix) —CON(R x) —CONHNH xi) —NHCN; xii) —OCN; xiii) —CN; xiv) F, Cl, Br, I, and mixtures thereof; xv) ═O; xvi) —OR xvii) —NHCHO; xviii) —OH; xix) —NHN(R xx) ═NR xxi) ═NOR xxii) —NHOR xxiii) —CNO; xxiv) —NCS; xxv) ═C(R xxvi) —SO xxvii) —OSO xxviii) —SCN; xxix) —P(O)H xxx) —PO xxxi) —P(O)(OH) xxxii) —SO xxxiii) —SO xxxiv) —NO xxxv) —CF xxxvi) and mixtures thereof; wherein R each R B is selected from the group consisting of: L units are —OC(O)—, —NR 3 C(O)—, —OC(R 3 R 4 )—, —C(O)—, and mixtures thereof; n is 0 or 1; the [pro-fragrance unit] has the formula: wherein each each R 3 and R 4 is hydrogen; G