Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bristol Myers CofiledCriticalBristol Myers Co
Priority claimed from NL7305204Aexternal-prioritypatent/NL7305204A/en
Application grantedgrantedCritical
Publication of BE796582RpublicationCriticalpatent/BE796582R/en
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
Landscapes
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Cephalosporin Compounds
(AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
The novel title cpds are of formula: (where R is phenyl, 2-thienyl or 3-thienyl, X is: and Y is H an (in)org. cation forming a salt, or an acyloxymethyl radical) together with their pharmaceutically acceptable acid addn salts. They are prepd by reacting the corresp. cpds in which R-X represents R-CH-CONH with CH3CHO, in an alkaline medium.
BE128637A1971-06-091973-03-09Ethylideneaminoacetamido - and imidazolidinyl-penicillin derivs -antibiotics
BE796582R
(en)