发明授权
US6133228A Slow release of fragrant compounds in perfumery using 2-benzoyl benzoates, 2-alkanoyl benzoates or .alpha.-keto esters 失效
使用苯甲酸苯甲酯,2-烷酰基苯甲酸酯或α-酮酯在香料中缓慢释放芳香化合物

Slow release of fragrant compounds in perfumery using 2-benzoyl
benzoates, 2-alkanoyl benzoates or .alpha.-keto esters
摘要:
A fragrance delivery system which releases fragrant alcohols upon exposure to light. The system comprises 2-benzoyl benzoates of general formulae ##STR1## which can comprise various subtituents R.sub.1 -R.sub.5 as defined in the application and a substituted R* which is the organic part of a fragrant alcohol.
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