Novel perfumery chemicals having a cyclic acetal structure and providing a variety of perfume notes, especially amber, are described. They are prepared by reacting specified diols and aldehydes/ketones.
[EN] NOVEL FRAGRANCE COMPOUNDS<br/>[FR] NOUVEAUX COMPOSES DE PARFUM
申请人:QUEST INT
公开号:WO2001000551A1
公开(公告)日:2001-01-04
Novel compounds having the structure (I) where R1 is a lower alkyl group, R2, R3, R4 and R5 is each independently hydrogen or a lower alkyl group, R6 is hydrogen, a lower alkyl group, an alkylidene group or a lower alkenyl group and R7 is hydrogen or a lower alkyl group, have desirable odour properties, possibly of a blackcurrant, green, buchu, cassis nature, and find use in perfumes and perfumed products.