发明名称 METHOD FOR PRODUCING 2-ISOPROPENYL-5-METHYL-4-HEXEN-1-YL 3-METHYL-2-BUTENOATE
摘要 Provided is a method for industrially producing 2-isopropenyl-5-methyl-4-hexen-1-yl 3-methyl-2-butenoate, which is, for example, a sex pheromone substance of vine mealybug. More specifically, there is provided a method for producing 2-isopropenyl-5-methyl-4-hexen-1-yl 3-methyl-2-butenoate, comprising a step of transesterifying 2-isopropenyl-5-methyl-4-hexen-1-ol represented by Formula (1) with alkyl senecioate represented by General Formula (2) in the presence of a catalyst, while distilling off an alcohol represented by General Formula (4) formed as a by-product, to obtain 2-isopropenyl-5-methyl-4-hexen-1-yl 3-methyl-2-butenoate represented by Formula (3).;
申请公布号 US2016152544(A1) 申请公布日期 2016.06.02
申请号 US201514950125 申请日期 2015.11.24
申请人 Shin-Etsu Chemical Co., Ltd. 发明人 Yamashita Miyoshi;Kinsho Takeshi
分类号 C07C67/03;B01J31/12;B01J31/14;C07C67/54 主分类号 C07C67/03
代理机构 代理人
主权项 1. A method for producing 2-isopropenyl-5-methyl-4-hexen-1-yl 3-methyl-2-butenoate, comprising a step of transesterifying 2-isopropenyl-5-methyl-4-hexen-1-ol represented by Formula (1): with alkyl senecioate represented by General Formula (2): wherein R is a saturated or unsaturated linear alkyl group having 1 to 6 carbon atoms, in the presence of a catalyst, while distilling off an alcohol represented by General Formula (4): formed as a by-product, to obtain the 2-isopropenyl-5-methyl-4-hexen-1-yl 3-methyl-2-butenoate represented by Formula (3):
地址 Tokyo JP