申请人:Givaudan-Roure (International) SA
公开号:US06262287B1
公开(公告)日:2001-07-17
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 C1-8 alkyl group or a substituted or unsubstituted aryl group;
R″ represents a hydrogen atom, a monovalent C1-8 hydrocarbon group or a monovalent C1-8 halogenated hydrocarbon group;
R1 represents a hydrogen atom or a substituted or unsubstituted C1-8 alkyl group or a substituted or unsubstituted aryl group or a bond connecting CR1 and CR3;
R3 represents a hydrogen atom or a substituted or unsubstituted C1-8 alkyl group or a substituted or unsubstituted aryl group;
represents (CR42)n whereby R4 represents a substituted or unsubstituted C1-8 alkyl group or a substituted or unsubstituted aryl group or a hydrogen atom and whereby n is from 0-20 and each R4 is the same or different;
OR2 represents the residue of an olfactive alcohol or of the enol form of an olfactive aldehyde or olfactive ketone;
is 0, 1 or 2; and
is 0, 1, 2 or 3. The compounds can be used in the manufacture of odorant compositions used in the preparation of cosmetic and laundry products.
具有至少一个有机硅单元的Organosiloxane香气前体化合物,其公式为或其混合物,如果在所述有机硅氧烷中存在任何其他硅氧烷单元,则这些单元的公式为其中R代表取代或未取代的C1-8烷基或取代或未取代的芳基;R″代表氢原子、一价的C1-8碳氢基或一价的C1-8卤代碳氢基;R1代表氢原子或取代或未取代的C1-8烷基或取代或未取代的芳基或连接CR1和CR3的键;R3代表氢原子或取代或未取代的C1-8烷基或取代或未取代的芳基;代表(CR42)n,其中R4代表取代或未取代的C1-8烷基或取代或未取代的芳基或氢原子,n为0-20,每个R4相同或不同;OR2代表olfactive醇的残基或olfactive醛或olfactive酮的烯醇形式的残基;为0、1或2;为0、1、2或3。这些化合物可用于制备用于化妆品和洗涤剂制备中的气味组合物的制造。