Alpha-(omega-cyanoalkanoyl)-gamma-butyrolactone and method for producing the same
    2.
    发明公开
    Alpha-(omega-cyanoalkanoyl)-gamma-butyrolactone and method for producing the same 失效
    α-(ω-氰基烷酰基)-γ-丁内酯及其制备方法

    公开(公告)号:EP0402063A3

    公开(公告)日:1991-03-13

    申请号:EP90306009.3

    申请日:1990-06-01

    IPC分类号: C07D307/33

    CPC分类号: C07D307/33

    摘要: Disclosed are α-(ω-Cyanoalkanoyl)-γ-butyrolactone represented by the formula:
    wherein n represents an integer of 7 to 11,
    and a method for producing the same, which comprises reacting ω-cyano fatty acid ester represented by the formula:
    NC-(CH₂) n -COOR      (II)
    wherein R represents an alkyl group having 1 to 4 carbon atoms and n has the same meaning as in the above,
    with γ-butyrolactone in the presence of alkali metal alcoholate represented by the formula:
    R′OM      (III)
    wherein R′ represents an alkyl group having 1 to 4 carbon atoms and M represents an alkali metal.

    摘要翻译: 公开了由下式表示的α-(ω-氰基烷酰基)-γ-丁内酯及其制备方法,该方法包括使由下式表示的ω-氰基脂肪酸酯: 其中R表示具有1至4个碳原子的烷基,n具有与上述相同的含义的NC-(CH 2)n -COOR(II),其中γ-丁内酯在碱金属醇盐存在下由下式表示: R'OM(III)其中R'表示具有1至4个碳原子的烷基并且M表示碱金属。

    Alpha-(omega-cyanoalkanoyl)-gamma-butyrolactone and method for producing the same
    3.
    发明公开
    Alpha-(omega-cyanoalkanoyl)-gamma-butyrolactone and method for producing the same 失效
    α-(ω-氰基烷酰基) - γ-丁内酯和Verfahren zu ihrer Herstellung。

    公开(公告)号:EP0402063A2

    公开(公告)日:1990-12-12

    申请号:EP90306009.3

    申请日:1990-06-01

    IPC分类号: C07D307/33

    CPC分类号: C07D307/33

    摘要: Disclosed are α-(ω-Cyanoalkanoyl)-γ-butyrolactone represented by the formula:
    wherein n represents an integer of 7 to 11,
    and a method for producing the same, which comprises reacting ω-cyano fatty acid ester represented by the formula:
    NC-(CH₂) n -COOR      (II)
    wherein R represents an alkyl group having 1 to 4 carbon atoms and n has the same meaning as in the above,
    with γ-butyrolactone in the presence of alkali metal alcoholate represented by the formula:
    R′OM      (III)
    wherein R′ represents an alkyl group having 1 to 4 carbon atoms and M represents an alkali metal.

    摘要翻译: 公开了由下式表示的α-(ω-链烷酰基)-γ-丁内酯:其中n表示7至11的整数,及其制备方法,其包括使由以下化合物表示的ω-氰基脂肪酸酯与 式中:R表示碳原子数为1〜4的烷基,n表示与上述相同的含义,在碱金属醇化物的存在下,用γ-丁内酯代替 R min OM(III)其中R min表示碳原子数为1〜4的烷基,M表示碱金属。