Process for the preparation of oxovinylionol and its O-protected derivatives
    4.
    发明授权
    Process for the preparation of oxovinylionol and its O-protected derivatives 有权
    氧乙烯醇及其O保护衍生物的制备方法

    公开(公告)号:US09061982B2

    公开(公告)日:2015-06-23

    申请号:US13673278

    申请日:2012-11-09

    Applicant: BASF SE

    Abstract: The present invention relates to the preparation of oxovinylionol and its O-protected derivatives of the formula I in which R is hydrogen or an OH protecting group, for example a group Si(Ra)3, by reacting a compound of the general formula II in which R has the meanings given above for formula I, i.e. β-vinyl ionol (formula II, R=hydrogen) or an O-protected derivative thereof (formula II, R═OH protecting group) with an oxidant in the presence of at least one transition metal, where the oxidant comprises at least one oxygen-containing compound which is selected from among hydrogen peroxide and organic hydroperoxides.

    Abstract translation: 本发明涉及通过使通式II的化合物与式(I)的化合物反应制备式I化合物的氧代乙烯基醇及其O-保护的衍生物,其中R是氢或OH保护基,例如Si(Ra) 其中R具有上面给出的式I所示的含义,即在存在下的化合物(即,b) - 乙烯基离子(式II,R =氢)或其被保护的衍生物(式II,R = OH保护基) 至少一种过渡金属,其中氧化剂包含至少一种选自过氧化氢和有机氢过氧化物的含氧化合物。

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