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Publication of BE823745ApublicationCriticalpatent/BE823745A/fr
C07D499/00—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
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Organic Chemistry
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Pharmaceuticals Containing Other Organic And Inorganic Compounds
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Cephalosporin Compounds
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BE2054050A1973-12-261974-12-23Procede ameliore pour la preparation de penicillines substituees en position 6 par un groupe alcoxy
BE823745A
(fr)
Nouveaux éthers dont les restes organiques comportent des atomes chiraux, leur préparation, leur application au dédoublement d'alcools ou de certains composés hémiacétaliques et les nouveaux produits dédoublés obtenus