Dihydropyridine-5-phosphonic acid cyclic propylene ester
    2.
    发明授权
    Dihydropyridine-5-phosphonic acid cyclic propylene ester 失效
    二氢吡啶-5-膦酸环丙烯酯

    公开(公告)号:US4885284A

    公开(公告)日:1989-12-05

    申请号:US851158

    申请日:1986-04-14

    IPC分类号: C07F9/6571

    CPC分类号: C07F9/657181

    摘要: A compound of the formula: ##STR1## wherein each of R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 which may be the same or different, is hydrogen or C.sub.1 -C.sub.4 alkyl; one of X.sup.1 and X.sup.2 is nitro, fluroine, chlorine, difluoromethyoxy or trifluoromethyl and the other is hydrogen, or both of X.sup.1 and X.sup.2 are chlorine; and Y is ##STR2## wherein A is C.sub. -C.sub.6 alkylene, each of Ar.sup.1 and Ar.sup.2 which may be the same or different, is phenyl which may be substituted by chlorine, fluorine or C.sub.1 -C.sub.3 alkoxy, and m is an integer of from 0 to 4, or Y is ##STR3## wherein A, Ar.sup.1 and Ar.sup.2 are as defined above when that both X.sup.1 and X.sup.2 are chlorine; or a pharmaceutically acceptable salt thereof.

    摘要翻译: 下式的化合物:其中R 1,R 2,R 3,R 4,R 5和R 6可以相同或不同的是氢或C 1 -C 4烷基; X1和X2之一是硝基,氟,氯,二氟甲氧基或三氟甲基,另一个是氢,或者X1和X2都是氯; 并且Y为其中A为C-C6亚烷基,Ar1和Ar2可以相同或不同,为可被氯,氟或C1-C3烷氧基取代的苯基,m为 0〜4,或Y为,其中当X1和X2都为氯时,A,Ar1和Ar2如上定义; 或其药学上可接受的盐。

    Process for the optical resolution of pyranobenzoxadiazole compounds
    4.
    发明授权
    Process for the optical resolution of pyranobenzoxadiazole compounds 失效
    吡喃并苯并恶二唑化合物的光学拆分方法

    公开(公告)号:US5319089A

    公开(公告)日:1994-06-07

    申请号:US780357

    申请日:1991-10-22

    IPC分类号: C07D498/04

    CPC分类号: C07D498/04

    摘要: A process for the optical resolution of a pyranobenzoxadiazole compound represented by the formula [(.+-.)I]: ##STR1## which comprises reacting the compound [(.+-.)I] with an optically active carboxylic acid represented by the formula [II]: ##STR2## and separating the diastereomeric salt thus formed is disclosed.

    摘要翻译: 用于光学拆分由式[(+/-)I]表示的吡喃并苯并恶二唑化合物的方法:包括使化合物[(+/-)I]与光学 公开了由式[II]表示的活性羧酸:< IMAGE>并分离如此形成的非对映体盐。

    Method for optical resolution of piperidine carboxylic acid derivative
    10.
    发明授权
    Method for optical resolution of piperidine carboxylic acid derivative 失效
    哌啶羧酸衍生物的光学拆分方法

    公开(公告)号:US06340762B2

    公开(公告)日:2002-01-22

    申请号:US09802916

    申请日:2001-03-12

    IPC分类号: C07D21112

    CPC分类号: C07D211/32 Y02P20/55

    摘要: A method for producing an optically active piperidine carboxylic acid derivative, which comprises subjecting a piperidine carboxylic acid derivative of the formula (1): wherein Z is a protecting group for the carboxyl group, to optical resolution by means of an optical resolution agent of the formula (2): wherein symbol * indicates that the designated carbon atom is asymmetric.

    摘要翻译: 一种光学活性哌啶羧酸衍生物的制备方法,其包括使式(1)的哌啶羧酸衍生物:其中Z为羧基的保护基,通过光学拆分剂 式(2):其中符号*表示指定的碳原子是不对称的。