Diazabicyclononene antibacterials

Fused 4,7- beta -lactam bicyclic antibacterials, namely 8-acylamino-4-anilino-9-oxo-6-thia-1,3-diazabicyclo[5.2.0]non-3-ene-2- carboxylic acids, and the esters, salts and sulfoxides thereof, are provided. The compounds as esters are prepared by process comprising heating a 3-azido-3-cephem ester wit...

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Hauptverfasser: SPRY, DOUGLAS O
Format: Patent
Sprache:eng
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Zusammenfassung:Fused 4,7- beta -lactam bicyclic antibacterials, namely 8-acylamino-4-anilino-9-oxo-6-thia-1,3-diazabicyclo[5.2.0]non-3-ene-2- carboxylic acids, and the esters, salts and sulfoxides thereof, are provided. The compounds as esters are prepared by process comprising heating a 3-azido-3-cephem ester with aniline, a substituted aniline, or an N-(C1-C3 alkyl) derivative thereof.