95503 ā
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 Preparation
Sub-classes:Manganese (III) catalyzed CāH aminations
#2Synthesis process of precursors of derivatives of beta-lactam nuclei and precursors and derivatives thereof
#3Cocrystal of piperacillin sodium and sulbactam sodium and preparation method thereof, as well as pharmaceutical compositions containing same and uses thereof
#4Method for producing 6-hydroxyethylpenam compound
#5Process for producing penicillanic acid compound