摘要 |
A fragrance precursor of (E/Z)-9-hydroxy-5,9-dimethyldec-4-enal, comprising at least an enamine and/or an aminal as reaction product of (E/Z)-9-hydroxy-5,9- dimethyldec-4-enal (compound according to formula (I)) and a primary and/or secondary amine useful as a perfume ingredient. |