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    Optically active cyclic amino acid ester derivatives and processes for producing the same
    1.
    发明公开
    Optically active cyclic amino acid ester derivatives and processes for producing the same 审中-公开
    Optisch aktive cyclischeAminosäuresterderivateund Verfahren zu ihrer Herstellung

    公开(公告)号：EP0976729A1

    公开(公告)日：2000-02-02

    申请号：EP99305948.4

    申请日：1999-07-27

    申请人： Sumitomo Chemical Company, Limited

    发明人： Honda, Yukihiro ,  Oikawa, Miyuki ,  Kurimoto, Isao

    IPC分类号： C07D207/16 ,  C07D211/60

    CPC分类号： C07D211/60 ,  C07D207/16

    摘要： There are disclosed a process for producing an optically active cyclic amino acid ester derivative of formula (I):
    wherein

    R 1 represents a C1 - C8 alkyl group;
    R 2 represents a hydrogen atom, a C1 - C8 alkyl group, a halogen atom, a hydroxy group or a C1 - C8 alkoxy group;
    R 3 represents an aryl group or a C1 - C8 alkyl group, which alkyl group is unsubstituted or substituted by an aryl group;
    n represents an integer from 1 to 4; and
    a and b, which are the same or different, represent R or S ,
    by an optical resolution method, and a process for producing an optically active cyclic amino acid using the compound of formula (I).

    摘要翻译： 公开了一种制备式（I）的光学活性环状氨基酸酯衍生物的方法：其中R 1表示C 1 -C 8烷基的 R 2表示氢原子，C1-C8烷基，卤素原子，羟基或C1-C8烷氧基; R 3表示芳基或C 1 -C 8烷基，该烷基是未被取代的或被芳基取代的; n表示1〜4的整数， 和a和b相同或不同，通过光学拆分方法表示R或S，以及使用式（I）化合物制备光学活性环状氨基酸的方法。

    Process for producing optically active azetidine-2-carboxylic acid
    3.
    发明公开
    Process for producing optically active azetidine-2-carboxylic acid 失效
    Verfahren zur Herstellung von optisch aktiver Azetidin-2-Carbonsäure

    公开(公告)号：EP0827954A1

    公开(公告)日：1998-03-11

    申请号：EP97115356.4

    申请日：1997-09-04

    申请人： SUMITOMO CHEMICAL COMPANY LIMITED

    发明人： Ushio, Hideki ,  Takano, Naoyuki ,  Honda, Yukihiro ,  Seko, Shinzo ,  Hazama, Motoo

    IPC分类号： C07D205/04

    CPC分类号： C07D205/04

    摘要： The present invention provides a process for preparing optically active azetidine-2-carboxylic acids using readily available reagents of relatively low price in the industry. Thus, there is provided optically active azetidine-2-carboxylic acid, and a process for producing the same by subjecting optically active N-(alkylbenzyl)azetidine-2-carboxylic acid represented by the formula (1):
    to hydrogenolysis in the presence of a catalyst.

    摘要翻译： 本发明提供了使用工业中价格相对较低的容易获得的试剂制备光学活性氮杂环丁烷-2-羧酸的方法。 因此，提供光学活性的氮杂环丁烷-2-羧酸及其制备方法，其中将式（1）表示的光学活性N-（烷基苄基）氮杂环丁烷-2-羧酸：氢解成 催化剂的存在