CH583740A5CH1071073ACH1071073ACH583740A5CH 583740 A5CH583740 A5CH 583740A5CH 1071073 ACH1071073 ACH 1071073ACH 1071073 ACH1071073 ACH 1071073ACH 583740 A5CH583740 A5CH 583740A5
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CH
Switzerland
Application number
CH1071073A
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Glaxo Lab Ltd
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Publication date
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Publication of CH583740A5publicationCriticalpatent/CH583740A5/xx
C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
C07D501/14—Compounds having a nitrogen atom directly attached in position 7
C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
C07D501/24—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3