lactam compounds and process for producing the same

The present invention relates to a novel -lactam compound represented by the formula [1] as described below. Novel -lactam compound of the formula [1]: wherein Ris lower alkyl or hydroxy-substituted lower alkyl, Ris H or lower alkyl, X is O or, S, Ris H, metal or protecting group, W is a 6- or 7-mem...

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Bibliographic Details
Main Authors Sunagawa, Makoto, Yamaga, Hiroshi, Sumita, Yoshihiro, Shinagawa, Hisatoshi
Format Patent
LanguageEnglish
Published 29.07.2003
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Summary:The present invention relates to a novel -lactam compound represented by the formula [1] as described below. Novel -lactam compound of the formula [1]: wherein Ris lower alkyl or hydroxy-substituted lower alkyl, Ris H or lower alkyl, X is O or, S, Ris H, metal or protecting group, W is a 6- or 7-membered nitrogen-containing heterocycle optionally being substituted at carbon atoms. Said -lactam compound shows excellent antibacterial activity against Gram-positive bacteria, particularly against methicillin-resistant and methicillin-resistant and coagulase-negative