further acylated by radicals derived from carboxylic acids or by nitrogen or sulfur analogues thereof

Full Title

Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula: [IMAGE cpc-sch-C07D-0989.gif] , e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring > with a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2 > with hetero atoms directly attached in position 7 > Nitrogen atoms > further acylated by radicals derived from carboxylic acids or by nitrogen or sulfur analogues thereof

Child Classifications

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• C07D 463/20 with the acylating radicals further substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen