Isomerization of β-keto-allenes
    10.
    发明授权
    Isomerization of β-keto-allenes 有权
    异构化和共聚物

    公开(公告)号:US08802898B2

    公开(公告)日:2014-08-12

    申请号:US13642047

    申请日:2011-04-18

    IPC分类号: C07C45/67

    摘要: Isomerization of β-keto-allenes of the general formula I wherein R1 is hydrogen, methyl or ethyl, in particular hydrogen or methyl; R2 is hydrogen or methyl; R3 is hydrogen or methyl, in particular methyl and R4 is an aliphatic hydrocarbon residue containing 1-37 carbon atoms, into corresponding α,γ-dienones of formula II by treatment with a basic ion exchange resin.

    摘要翻译: 其中R 1是氢,甲基或乙基,特别是氢或甲基的通式I的双 - 二烯的异构化; R2是氢或甲基; R3是氢或甲基,特别是甲基,R4是含有1-37个碳原子的脂族烃残基,通过碱性离子交换树脂的处理转化为相应的式II的α,γ-二烯酮。