95547 ⎘
Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring Compounds with a double bond between positions 2 and 3 and 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
Sub-classes:Substituted [1,2,4]triazolo[4,3-A]pyrazines for medicaments and pharmaceutical compositions
#2Bicyclic 6-alkylidene-penems as β-lactamase inhibitors
#3Bicyclic 6-alkylidene-penems as beta-lactamase inhibitors
#4Processes for preparation of organic compounds
#5Penem derivatives and antimicrobial agent containing the same