[EN] ALPHA-SILYL ALCOHOLS POSSESSING OLFACTORY PROPERTIES REMINISCENT OF PATCHOULI OIL<br/>[FR] ALCOOLS ALPHA-SILYLIQUES POSSÉDANT DES PROPRIÉTÉS OLFACTIVES RAPPELANT L'ESSENCE DE PATCHOULI
申请人:GIVAUDAN SA
公开号:WO2010121979A1
公开(公告)日:2010-10-28
The present invention refers to si la-substituted carbinols of formula (I) wherein R1, R2 and R3 are independently selected from C1 - C4 alkyl and C3- C4 cycloalkyl; R4 is methyl or ethyl; and R5 is methyl or ethyl. The invention further refers their preparation and to perfume compositions and fragrance applications comprising them.
synthesized and studied for their olfactoryproperties. All of the silanes studied exhibit at least one of the main patchouli odor descriptors ‘woody,’ ‘earthy,’ and ‘camphoraceous,’ and some even exhibit all of them. The silanes MeR2SiC(OH)Me2 (12) and R3SiC(OH)Me2 (14) (R=cyclopropyl) were found to resemble natural patchouli oil most closely, with an even lower odor threshold than the natural lead