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

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 > 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

Child Classifications

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• C07D 463/22 further substituted by nitrogen atoms