[EN] MIXTURE OF 3-HEXEN-1-OL ISOMERS AND A PROCESS OF PREPARING SAME<br/>[FR] MÉLANGE D'ISOMÈRES DE 3-HEXEN-1-OL ET SON PROCÉDÉ DE PRÉPARATION
申请人:AGAN AROMA & FINE CHEMICALS LTD
公开号:WO2021156870A1
公开(公告)日:2021-08-12
Compositions comprising 3-hexen-l-ol are described herein, as well as odor-imparting formulations comprising same and articles-of-manufacturing comprising such compositions or odor-imparting formulations. The compositions comprise trans- 3-hexen-l-ol in a range of from 67 % to 82 % by weight and cA-3-hexen-l-ol in a range of from 18 % to 33 % by weight, wherein a total concentration of trans- 3-hexen-l-ol and cA-3-hexen-l-ol is at least 97 % by weight. Further described herein is a process for preparing a composition comprising 3-hexen-l-ol, the process comprising: contacting 1-pentene with a formaldehyde in the presence of a Lewis acid to thereby obtain a crude mixture comprising 3-hexen-l-ol; and contacting the mixture comprising 3-hexen- l-ol with a base.