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,其具有以下公式或其混合物中的至少一个有机硅单元,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表示取代或未取代的C1-8烷基或取代或未取代的芳基;R″表示氢原子,一价的C1-8烃基或一价的C1-8卤代烃基;R1表示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表示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;表示(CR42)n,其中R4表示取代或未取代的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表示olfactive醇或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造用于制备化妆品和洗涤产品的气味剂组合物。