1.
    发明专利
    未知

    公开(公告)号:SE421796B

    公开(公告)日:1982-02-01

    申请号:SE7601337

    申请日:1976-02-06

    Applicant: GLAXO LAB LTD

    Abstract: The invention provides the compound (2R,5R,Z)-3-(2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo-[3,2,0]hept ane-2-carboxylic acid and its salts in purified form and pharmaceutical compositions containing them and a process for the purification of such compounds by conversion in aqueous media to the lithium salt of the above acid and precipitation thereof.

    2.
    发明专利
    未知

    公开(公告)号:SE7601337L

    公开(公告)日:1976-11-03

    申请号:SE7601337

    申请日:1976-02-06

    Applicant: GLAXO LAB LTD

    Abstract: The invention provides the compound (2R,5R,Z)-3-(2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo-[3,2,0]hept ane-2-carboxylic acid and its salts in purified form and pharmaceutical compositions containing them and a process for the purification of such compounds by conversion in aqueous media to the lithium salt of the above acid and precipitation thereof.

    CLAVULANIC ACID
    3.
    发明专利

    公开(公告)号:AU509313B2

    公开(公告)日:1980-05-08

    申请号:AU1089176

    申请日:1976-02-06

    Applicant: GLAXO LAB LTD

    Abstract: The invention provides the compound (2R,5R,Z)-3-(2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo-[3,2,0]hept ane-2-carboxylic acid and its salts in purified form and pharmaceutical compositions containing them and a process for the purification of such compounds by conversion in aqueous media to the lithium salt of the above acid and precipitation thereof.

    4.
    发明专利
    未知

    公开(公告)号:DK49876A

    公开(公告)日:1976-08-08

    申请号:DK49876

    申请日:1976-02-06

    Applicant: GLAXO LAB LTD

    Abstract: The invention provides the compound (2R,5R,Z)-3-(2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo-[3,2,0]hept ane-2-carboxylic acid and its salts in purified form and pharmaceutical compositions containing them and a process for the purification of such compounds by conversion in aqueous media to the lithium salt of the above acid and precipitation thereof.

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