申请人:——
公开号:WO1979000485A1
公开(公告)日:1979-07-26
(EN) E-4-acetoxy-2-methyl-2-butenal is prepared by: (1) preparation of an intermediate allylic halide from isoprene; and (2) reaction of the allylic halide with dimethyl sulfoxide in the presence of a non nucleophilic base to form the desired product. (FR) On prepare le E-4-acetoxy-2-methyl-2-butenal par: 1) preparation d"un halogenure allylique intermediaire; et 2) par reaction de cet halogenure avec de l"oxysulfure de dimethyle en presence d"une base non-nucleophile, pour former le produit desire.
(E) E-4-乙酰氧基-2-甲基-2-丁烯醛的制备方法为:(1)从异戊二烯制备中间体烯丙基卤化物;(2)在非亲核碱的存在下,将烯丙基卤化物与二甲基亚砜反应,形成所需产物。
(FR) E-4-acétoxy-2-méthyl-2-buténal的制备方法为:(1)从异戊二烯制备中间体烯丙基卤化物;(2)在非亲核碱的存在下,将烯丙基卤化物与二甲基亚砜反应,形成所需产物。