NEW CEPHEM COMPOUND AND ITS SALT
    10.
    发明专利

    公开(公告)号:JPH05222058A

    公开(公告)日:1993-08-31

    申请号:JP6913392

    申请日:1992-02-17

    Abstract: PURPOSE:To obtain a new compound capable of preventing growth of diffuse pathogenic bacteria including Gram-negative bacteria, Gram-positive bacteria and useful as antimicrobial agents, etc. CONSTITUTION:A compound of formula I [R is (protected)amino; R is H or organic group; R is (substituted)pyrrolopyridium; R is (protected)carboxy or COO ; X is N or CH; Y is anion; n is 0 or 1], e.g. 7-beta-[2-(2-aminothiazol-4- yl)-2-methoxyimino-acetamido]-3-[4-)1H-pyrrolo[3,2--4]pyridinio)]methy l-3- cephem-4-carboxylate. Furthermore, the compound of formula I is obtained by reacting a compound of formula II with a compound of formula III in an organic solvent such as acetonitrile in the presence of a condensing agent such as N,N'-dicyclohexylcarbodiimide.

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