This invention provides a convenient and commercially adaptable process for the preparation of vinylcyclopropane derivatives in high yields. The process involves reacting an alkylating agent and an activated methylene compound in the presence of an onium compound, an alkali metal compound and water, which while only necessary in trace amounts can be present in substantial quantities.
这项发明提供了一种方便且商业上可适应的工艺,用于高收率制备环
丙烯衍
生物。该工艺涉及在取代基试剂和活性亚甲基化合物的存在下,在离子化合物、碱
金属化合物和
水的存在下反应,尽管只需微量存在,但可以以大量存在。