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    • 5. 发明公开
    • Fragrance precursor compounds
    • 香水的前体
    • EP0878497A2
    • 1998-11-18
    • EP98108419.7
    • 1998-05-08
    • GIVAUDAN-ROURE (INTERNATIONAL) S.A.
    • Anderson, DeniseFrater, Georg
    • C08G77/38C07F7/08A61K7/32A61K7/46
    • A61Q13/00A61K8/893A61K2800/57C07F7/0852C07F7/21C08G77/045C08G77/14C08G77/38C11D3/507
    • The invention relates to organosiloxane fragrance precursor compounds having at least one organosiloxane unit of the formula
      or a mixture thereof and if any other siloxane unit(s) in the said organosiloxanes being present this/these is/are of formula
      wherein R represents a substituted or unsubstituted C 1-8 alkyl group or a substituted or unsubstituted aryl group, R represents a hydrogen atom, a monovalent C 1-8 hydrocarbon group or a monovalent C 1-8 halogenated hydrocarbon group; R 1 represents a hydrogen atom or a substituted or unsubstituted C 1-8 alkyl group or a substituted or unsubstituted aryl group or a bond connecting CR 1 and CR 3 ; R 3 represents a hydrogen atom or a substituted or unsubstituted C 1-8 alkyl group or a substituted or unsubstituted aryl group; A represents (CR 4 2 ) n whereby R 4 represents a substituted or unsubstituted C 1-8 alkyl group or a substituted or unsubstituted aryl group or a hydrogen atom and whereby n has a value of 0-20 and each R 4 is the same or different; OR 2 represents the residue of an olfactive alcohol or of the enol form of an olfactive aldehyde or olfactive ketone; a has a value of 0,1 or 2; b has a value of 0, 1, 2 or 3, the use of at least one of the compounds as a fragrance precursor in a cosmetic composition or cosmetic product, laundry product, detergent or fabric softener and to a cosmetic product, a laundry product, a detergent or a fabric softener containing at least one of the compounds.
    • 8. 发明公开
    • Optical isomers of derivatives of campholenic aldehyde
    • Optische Isomere von Derivaten von Kampholenaldehyd
    • EP0841318A2
    • 1998-05-13
    • EP97118997.2
    • 1997-10-31
    • GIVAUDAN-ROURE (INTERNATIONAL) S.A.
    • Bajgrowicz, Jerzy A.Frater, Georg
    • C07C33/12
    • C07B53/00C07B2200/07C07C33/12C07C45/67C07C45/74C07C49/21C11B9/003
    • The present invention relates to a mixture of the 4 diastereomers 1'S,2R,3S; 1'S,2S,3R; 1'S,2S,3S and 1'S,2R,3R of (E)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4-en-2-ol, a mixture of the 4 diastereomers 1'R,2S,3R; 1'R,2R,3S; 1'R,2R,3R and 1'R,2S,3S of (E)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4-en-2-ol and to (1'S,2S,3R)-(E)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4-en-2-ol, (1'R,2S,3R)-(E)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4-en-2-ol and to a process for the manufacture of these compounds or mixtures. Further, the invention is related to any isomer mixture of (E)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4-en-2-ol enriched in one or both of the compounds or mixtures, especially to an odorant composition containing any isomer mixture of (E)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4-en-2-ol enriched in one or both of the above compounds or mixtures, and to the use of any one of the compounds or mixtures as odorants.
    • 本发明涉及4种非对映异构体1'S,2R,3S; 1'S,2S,3R; (E)-3-甲基-5-(2,2,3-三甲基环戊-3-烯-1-基)戊-4-烯-2-醇的1'S,2S,3S和1'S,2R,3R, 4种非对映体的混合物1'R,2S,3R; 1'R,2R,3S; (E)-3-甲基-5-(2,2,3-三甲基环戊-3-烯-1-基)戊-4-烯-2-酮的1'R,2R,3R和1'R,2S,3S (1'S,2S,3R) - (E)-3-甲基-5-(2,2,3-三甲基环戊-3-烯-1-基)戊-4-烯-2-醇,( 1'R,2S,3R) - (E)-3-甲基-5-(2,2,3-三甲基环戊-3-烯-1-基)戊-4-烯-2-醇的方法, 这些化合物或混合物的制造。 此外,本发明涉及富集一种(E)-3-甲基-5-(2,2,3-三甲基环戊-3-烯-1-基)戊-4-烯-2-醇的任何异构体混合物 特别是含有(E)-3-甲基-5-(2,2,3-三甲基环戊-3-烯-1-基)戊-4-烯的任何异构体混合物的气味组合物, -2-醇富含上述一种或两种化合物或混合物,以及使用任何一种化合物或混合物作为气味剂。