1-Sulfo-2-azetidinone derivatives, their production and use
申请人:Takeda Chemical Industries, Ltd.
公开号:EP0093376B2
公开(公告)日:1999-04-07
US4572801A
申请人:——
公开号:US4572801A
公开(公告)日:1986-02-25
US4673739A
申请人:——
公开号:US4673739A
公开(公告)日:1987-06-16
4-carbamoyloxymethyl-1-sulfo-2-oxoazetidine derivatives and their
申请人:Takeda Chemical Industries, Ltd.
公开号:US04673739A1
公开(公告)日:1987-06-16
Compounds of the formula ##STR1## are useful as intermediates in preparing 1-sulfo-2-oxoazetidine compounds having the carbamoyloxymethyl group at the 4-position. The final product compounds have antimicrobial and/or .beta.-lactamase-inhibitory activity and are of value as drugs for human beings and domesticated animals.
4-Carbamoyloxymethyl-1-sulfo-2-oxoazetidine derivatives and their
申请人:Takeda Chemical Industries, Ltd.
公开号:US04572801A1
公开(公告)日:1986-02-25
Disclosed are compounds of the general formula: ##STR1## wherein R.sup.1 is a hydrogen atom or a lower alkyl group and R.sup.2 is a hydrogen atom or an ester residue, said derivative having the (3S,4S)-configuration; and pharmaceutically acceptable salts and esters thereof. The compounds have antimicrobial and/or .beta.-lactamase-inhibitory activity and are of value as drugs for human beings and domesticated animals.