PROCESS FOR THE PREPARATION OF LEUKOTRIENE ANTAGONISTS
    7.
    发明申请
    PROCESS FOR THE PREPARATION OF LEUKOTRIENE ANTAGONISTS 审中-公开
    制备白藜芦醇拮抗剂的方法

    公开(公告)号:WO1995018107A1

    公开(公告)日:1995-07-06

    申请号:PCT/US1994014858

    申请日:1994-12-22

    发明人: MERCK & CO., INC.

    IPC分类号: C07D215/12

    摘要: The present invention relates to a process for the preparation of a compound of formula (I) or a sodium salt thereof, wherein HET is 7-chloroquinolin-2-yl or 6,7-difluoroquinolin-2-yl, which comprises: reacting the dilithium dianion of 1-(mercapto-methyl)cyclopropaneacetic acid with a compound of formula (II), wherein HET is as defined above and L is arylsulfonyl or alkylsulfonyl. The invention further provides the dicyclohexylamine salt of a compound of formula (I), an intermediate falling within (II) and a 1-(Mercaptomethyl)cyclopropaneacetic acid intermediate.

    摘要翻译: 本发明涉及制备式(I)化合物或其钠盐的方法,其中HET是7-氯喹啉-2-基或6,7-二氟喹啉-2-基,其包括:使 1-(巯基 - 甲基)环丙烷乙酸的二锂二阴离子与式(II)化合物,其中HET如上所定义,L是芳基磺酰基或烷基磺酰基。 本发明还提供式(I)化合物的二环己胺盐,(II)中的中间体和1-(巯基甲基)环丙烷乙酸中间体。