PROCESS FOR THE ENANTIOMERIC ENRICHMENT OF SALBUTAMOL AND SALBUTAMOL PRECURSORS
    1.
    发明申请
    PROCESS FOR THE ENANTIOMERIC ENRICHMENT OF SALBUTAMOL AND SALBUTAMOL PRECURSORS 审中-公开
    沙丁胺醇和沙丁胺醇前体的健康增效方法

    公开(公告)号:WO2007101872A1

    公开(公告)日:2007-09-13

    申请号:PCT/EP2007/052153

    申请日:2007-03-07

    CPC classification number: C07C213/10 C07C215/66 C07C217/70

    Abstract: The present invention relates to a process for the enantiomeric enrichment of salbutamol and salbutamol precursors and the acid-addition salts thereof: (I) where R is hydrogen or benzyl, R' is hydrogen or benzyl and X is CH 2 OH or COO-C 1 -C 4 -alkyl the process comprising the crystallization of a compound of the formula (I) in the form of its acid-addition salt with an achiral carboxylic acid A that has at least three carbon atoms and a solubility of less than 50 g/l in water at pH

    Abstract translation: 本发明涉及沙丁胺醇和沙丁胺醇前体及其酸加成盐的对映体富集方法:(I)其中R是氢或苄基,R'是氢或苄基,X是CH 2, SO 2或COO-C 1 -C 4 - 烷基的方法,包括以其酸加成盐的形式结晶式(I)化合物 与具有至少三个碳原子和在pH <3,20℃和1013毫巴的水中的溶解度小于50g / l的非手性羧酸A从含有下列化合物的对映异构体的混合物的溶液中 式(I)化合物或其酸加成盐的所需对映体的晶种存在下的式(I)和非手性羧酸A,由此将式(I)化合物的对映异构体富集的酸加成盐 )。

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