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Method for imparting, improving, enhancing or altering the odor characteristics of a fragrance composition or cosmetic product and fragrance composition or cosmetic product
Method for imparting, improving, enhancing or altering the odor characteristics of a fragrance composition or cosmetic product and fragrance composition or cosmetic product
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机译:赋予,改善,增强或改变香料组合物或化妆品的气味特性的方法以及香料组合物或化妆品
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摘要
PROBLEM TO BE SOLVED: To impart walnut-type fragrance characteristics having a combination of fresh and fruity notes by adding ethyl 3-methyl-2-oxopentanoate in the form of an R- or S-configuration enantiomer or a mixture thereof as an aromatizing component. ;SOLUTION: Ethyl 3-methyl-2-oxopentanoate is used in the form of an R- or S-configuration enantiomer or a mixture thereof in an aromatizing composition or perfumes and cosmetics as an aromatizing component in concentrations of 0.1-10 wt.% Ethyl 3-methyl-2-oxopentanoate is obtained by continuously oxidizing (+)-ethyl (2S, 3S)-2-hydroxy-3-methylpentanoate and (+)-ethyl (2S, 3R)-2- hydroxy-3-methylpentanoate using sodium acetate and pyridinium chlorochromate.;COPYRIGHT: (C)1999,JPO
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