申请人:TORAY INDUSTRIES, INC.
公开号:EP0112394A1
公开(公告)日:1984-07-04
A process for preparing angelic acid or its ester useful as perfume material, which comprises isomerizing tiglic acid using an organic sulfinic acid as a catalyst, and novel angelate esters represented by formula (I), wherein R represents 3-hexenyl,3-methyl-2-butenyl, 3-methyl-3-butenyl, 3-methyl-2-pentenyl, 3-methyl-4-pentenyl, CH3(CH2) (where is an integer of 5 to 9), cyclopentyl, cyclohexyl, 2-methylpentyl, a-methylbenzyl, neryl or furfuryl.
一种制备用作香水材料的当归酸或其酯的工艺,包括使用有机亚硫酸作为催化剂使惕各酸异构化,以及由式(I)代表的新型当归酸酯,其中 R 代表 3-己烯基、3-甲基-2-丁烯基、3-甲基-3-丁烯基、3-甲基-2-戊烯基、3-甲基-4-戊烯基、CH3(CH2)(其中为 5 至 9 的整数)、环戊基、环己基、2-甲基戊基、a-甲基苄基、橙花酰基或糠酰基。