PROCESS FOR PRODUCING AMINO ACID N-CARBOXYANHYDRIDE
    1.
    发明申请
    PROCESS FOR PRODUCING AMINO ACID N-CARBOXYANHYDRIDE 有权
    制备氨基酸N-羧酸的方法

    公开(公告)号:US20070015932A1

    公开(公告)日:2007-01-18

    申请号:US11457035

    申请日:2006-07-12

    IPC分类号: C07C229/34 C07C253/30

    摘要: The present invention provides a process for producing an amino acid N-carboxyanhydride, which comprises reacting an amino acid or a derivative thereof with a compound represented by the following formula (1): wherein R1 and R2 represent the same or different electron-withdrawing substituents and each independently are an optionally substituted acyl group, an optionally substituted alkyloxycarbonyl group, an optionally substituted perfluoroalkyl group, an optionally substituted perchloroalkyl group, a cyano group, a halogen atom, or a nitro group; and a and b are the same or different and each are an integer of 1-5.

    摘要翻译: 本发明提供一种氨基酸N-羧酸酐的制备方法,其包括使氨基酸或其衍生物与下式(1)表示的化合物反应:其中R 1和R 2, SUP> 2表示相同或不同的吸电子取代基,并且各自独立地为任选取代的酰基,任选取代的烷氧基羰基,任选取代的全氟烷基,任选取代的全氯烷基,氰基,卤素 原子或硝基; a和b相同或不同,为1-5的整数。

    Process for producing amino acid N-carboxyanhydride
    2.
    发明授权
    Process for producing amino acid N-carboxyanhydride 有权
    制备氨基酸N-羧酸酐的方法

    公开(公告)号:US07893274B2

    公开(公告)日:2011-02-22

    申请号:US11457035

    申请日:2006-07-12

    IPC分类号: C07D263/00

    摘要: The present invention provides a process for producing an amino acid N-carboxyanhydride, which comprises reacting an amino acid or a derivative thereof with a compound represented by the following formula (1): wherein R1 and R2 represent the same or different electron-withdrawing substituents and each independently are an optionally substituted acyl group, an optionally substituted alkyloxycarbonyl group, an optionally substituted perfluoroalkyl group, an optionally substituted perchloroalkyl group, a cyano group, a halogen atom, or a nitro group; and a and b are the same or different and each are an integer of 1-5.

    摘要翻译: 本发明提供了一种制备氨基酸N-羧酸酐的方法,其包括使氨基酸或其衍生物与下式(1)表示的化合物反应:其中R 1和R 2表示相同或不同的吸电子取代基 并且各自独立地为任选取代的酰基,任选取代的烷氧基羰基,任选取代的全氟烷基,任选取代的全氯烷基,氰基,卤素原子或硝基; a和b相同或不同,为1-5的整数。

    LOW SHRINKAGE EPOXY-CATIONIC CURABLE COMPOSITION
    10.
    发明申请
    LOW SHRINKAGE EPOXY-CATIONIC CURABLE COMPOSITION 失效
    低收缩环氧可固化组合物

    公开(公告)号:US20090087571A1

    公开(公告)日:2009-04-02

    申请号:US12275772

    申请日:2008-11-21

    CPC分类号: C08G59/68 C08G59/42

    摘要: The present invention relates to compositions comprising an epoxy resin; a reagent selected from the group of cationic compounds or compounds which are capable to form cationic compounds or mixtures of those; at least one compound with two aromatic rings and at least one central cyclic oxygen bridged ring and the use of such compositions in adhesives, sealants and coatings.

    摘要翻译: 本发明涉及包含环氧树脂的组合物; 选自阳离子化合物或能够形成阳离子化合物或其混合物的化合物的试剂; 至少一种具有两个芳环和至少一个中心环氧桥环的化合物,以及在粘合剂,密封剂和涂料中使用这些组合物。