COST EFFICIENT PROCESS FOR PREPARATION OF SUCRALOSE
    34.
    发明申请
    COST EFFICIENT PROCESS FOR PREPARATION OF SUCRALOSE 审中-公开
    成本高效的制备方法

    公开(公告)号:WO2010013157A3

    公开(公告)日:2011-04-28

    申请号:PCT/IB2009053043

    申请日:2009-07-14

    CPC classification number: C07H15/18 A23L27/37 C07H5/02 C07H13/04 Y02P20/582

    Abstract: The present invention relates to cost efficient process for preparation of sucralose. The present invention relates to recovery of the reagents from feed mixture obtained in various steps of sucralose. Particularly, the present invention relates to recovery of trityl chloride, ß-picoline, triphenylphosphine oxide (TPPO) and methyl acetate.

    Abstract translation: 本发明涉及用于制备三氯半乳蔗糖的成本有效的方法。 本发明涉及从三氯蔗糖各步骤中获得的饲料混合物中回收试剂。 特别地,本发明涉及三苯甲基氯,β-甲基吡啶,三苯基氧化膦(TPPO)和乙酸甲酯的回收。

    PROCESS FOR THE PREPARATION OF PURE 3-ALKOXYMETHYL CEPHALOSPORINS
    39.
    发明申请
    PROCESS FOR THE PREPARATION OF PURE 3-ALKOXYMETHYL CEPHALOSPORINS 审中-公开
    纯3-羟基甲基纤维素的制备方法

    公开(公告)号:WO2002060866A2

    公开(公告)日:2002-08-08

    申请号:PCT/IB2002/000264

    申请日:2002-01-29

    IPC: C07D

    CPC classification number: C07D501/00

    Abstract: The present invention relates to an improved and industrially advantageous process for the preparation of pure 7-amino-3-alkoxymethyl-3-cephem-4-carboxylic acids, and salts thereof. In particular, the present invention relates to a process for the preparation of pure 7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid (7-AMCA) and salts thereof.

    Abstract translation: 本发明涉及用于制备纯的7-氨基-3-烷氧基甲基-3-头孢烯-4-羧酸的改进和工业上有利的方法及其盐。 特别地,本发明涉及制备纯的7-氨基-3-甲氧基甲基-3-头孢烯-4-羧酸(7-AMCA)及其盐的方法。

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