2-?1-(1,3-thiazolin-2-yl)azetidin-3-yl!thio-carbapenem derivatives
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United States of America Patent
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Oct 21, 1997
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N/A
app pub date -
Apr 12, 1996
filing date -
Jul 1, 1993
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Abstract
Novel carbapenem compounds, (1R,5S,6S)-2-?1-(1,3-thiazolin-2-yl)azetidin-3-yl!thio-6-?(R)-1-hydroxyethyl!-1-methyl-carbapen-2-em-3-carboxyic acid derivatives. These carbapenem compounds are represented by the following formula having a beta-coordinated methyl group introduced at the 1-position and a ?1-(1,3-thiazolin-2-yl)azetidin-3-yl!thio group introduced at the 2-position. ##STR1## In the formula, R is hydrogen; lower alkyl group which is unsubstituted or substituted by hydroxy, lower alkoxy or lower alkoxy-lower alkoxy group; group --COOR.sup.1 (R.sup.1 is hydrogen or lower alkyl group); or group --CONR.sup.2 R.sup.3 (R.sup.2 and R.sup.3 are, independently each other, hydrogen or lower alkyl), and Y is carboxy, --COO.sup..crclbar. or protected carboxy. These compounds are useful antibiotics for prevention and treatment of bacterial infections.
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