PROCESS FOR PREPARING 6-ISOPROPENYL-3-METHYL-9-DECENYL ACETATE AND INTERMEDIATES THEREOF

    公开(公告)号:EP3901122A1

    公开(公告)日:2021-10-27

    申请号:EP21169106.8

    申请日:2021-04-19

    摘要: A process for process for preparing 6-isopropenyl-3-methyl-9-decenyl acetate of the following formula (3), wherein Ac represents an acetyl group, the process comprising steps of: preparing a nucleophilic reagent, 5-isopropenyl-2-methyl-8-nonenyl compound, of the following general formula (1): wherein M 1 represents Li, MgZ 1 , ZnZ 1 , Cu, CuZ 1 , or CuLiZ 1 , wherein Z 1 represents a halogen atom or a 5-isopropenyl-2-methyl-8-nonenyl group, from a 5-isopropenyl-2-methyl-8-nonenyl halide compound of the following general formula (4): wherein X 1 represents a halogen atom; subjecting the nucleophilic reagent (1), 5-isopropenyl-2-methyl-8-nonenyl compound, to an addition reaction with at least one electrophilic reagent selected from the group consisting of formaldehyde, paraformaldehyde, and 1,3,5-trioxane, followed by a hydrolysis reaction to form 6-isopropenyl-3-methyl-9-decenol of the following formula (2); and acetylating 6-isopropenyl-3-methyl-9-decenol (2) to form 6-isopropenyl-3-methyl-9-decenyl acetate (3).