Alpha-(alkylcyclohexyloxy)-beta-alkanols and perfume compositions containing the same
申请人:Kao Corporation
公开号:EP0467290A2
公开(公告)日:1992-01-22
An a-(alkylcyclohexyloxy)-β-alkanol of formula (1)
wherein at least one of R1, R2, R3, R4, and R5 is the group
wherein R9 and R10 are the same or different alkyl groups having 1 to 4 carbon atoms or are coupled with each other to form a cycloalkyl group, and R11 is a hydrogen atom or an alkyl group having 1 to 4 carbons or is a hydrogen atom when R9 and R10 form the cycloalkyl group, and the remaining R1, R2, R3, R4 and R5 groups are hydrogen atoms or methyl groups, and wherein R6, R7 and R8 are hydrogen atoms or the same or different alkyl groups having 1 to 6 carbon atoms.
Process for producing ether alcohols by hydrogenolysis of cyclic ketal
申请人:Kao Corporation
公开号:US05446208A1
公开(公告)日:1995-08-29
A process for the production of an ether alcohol is disclosed, which comprises subjecting a cyclic ketal to hydrogenolysis in the presence of a catalyst containing palladium in an amount of from 50 to 100% by weight, based on the total active catalytic component present. According to the inventive process, ether alcohols which are useful as perfumes or raw materials for perfumes can be produced easily with low cost and high yield.