Carbapenem-3-carboxylic acid ester derivatives
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United States of America Patent
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Mar 23, 1999
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N/A
app pub date -
Jul 17, 1997
filing date -
Dec 8, 1995
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Abstract
Disclosed are carbapenem-3-carboxylic acid ester derivatives of formula (I), wherein R.sup.1 is a hydrogen atom or a lower alkyl group, R.sup.2 is an alkyl group which may be substituted by a cycloalkyl group having about 4 to 7 carbon atoms and which may be substituted by a lower alkyl group, or is a cycloalkyl group having 4 to 7 carbon atoms which may be substituted by a lower alkyl group and n is 0 or 1. The compounds are highly absorbable through the digestive tract and are rapidly converted in the body to the active compound, which shows strong antibacterial activity. ##STR1##
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