METHOD FOR SELECTIVELY CRYSTALLIZING A Z ISOMER OF IOPROMIDE
    1.
    发明公开
    METHOD FOR SELECTIVELY CRYSTALLIZING A Z ISOMER OF IOPROMIDE 审中-公开
    VERFAHREN ZUR SELEKTIVEN KRISTALLISIERUNG EINES Z-ISOMERS VON IOPROMID

    公开(公告)号:EP2370396A4

    公开(公告)日:2012-04-25

    申请号:EP09830523

    申请日:2009-10-12

    申请人: DAE WOONG PHARMA

    CPC分类号: C07C231/24 C07C237/46

    摘要: The present invention relates to a method for selectively crystallizing Z isomer of iopromide of formula (I) comprising a) dissolving a crude iopromide comprising a mixture of E and Z isomers or a concentrate thereof in an alcohol, and b) heating the resulting alcohol solution to obtain crystalline of Z isomer of iopromide; and a method for preparing a composition comprising the crystalline Z isomer of iopromide.

    摘要翻译: 本发明涉及选择性地结晶式(I)的碘普罗昔酸的Z异构体的方法,包括:a)将包含E和Z异构体的混合物或其浓缩物的粗制碘普罗胺溶解在醇中,和b)将得到的醇溶液 获得碘普罗胺的Z异构体的结晶; 以及制备包含碘普罗胺的结晶Z异构体的组合物的方法。