| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To obtain a new carbapenem compound having excellent resistance toβ-lactamase and kidney dehydropeptidase and strong antimicrobial activity. <P>SOLUTION: This carbapenem compound is represented by formula (I) (R<SP>1</SP>is a hydrogen atom or a carboxy group protecting group, R<SP>2</SP>and R<SP>3</SP>are each the same or different and a hydrogen atom, a substituted or nonsubstituted alkyl group or a phenyl group; ring A is a six-membered or seven-membered heterocycle containing one nitrogen atom and one sulfur atom, respectively) or its pharmacologically acceptable salt. <P>COPYRIGHT: (C)2003,JPO</p> |
