Sulphur analogs of cephalosporins having a nucleophile substituted in the 7 position
AssigneeMassachusetts Institute of Technology
InventorsJohn C. Sheehan, Thomas J. Commons
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AssigneeMassachusetts Institute of Technology
InventorsJohn C. Sheehan, Thomas J. Commons
Estimating the term…
Biologically active sulfur analogs of 6-aminopenicillanic acid having a nucleophile substituted in the 6- position are made by reacting a sulfenyl chloride with esters of diazopenicillanic acid. Biologically active sulfur analogs of 7-aminocephalosporanic acid having a nucleophile substituted in the 7- position are analogously made by reacting a sulfenyl chloride with esters of 7-diazocephalosporanic acid. Deacetoxycephalosporins can be formed from the corresponding analog of 6-aminopenicillanic acid and derivations thereof, by sulfoxide rearrangement of the thiazolidine ring of penicillins to the dihydrothiazine ring of cephalosporins. These nucleophile substituted sulfur analogs of penicillins and cephalosporins are new antibacterial agents and display antibacterial activity against a variety of microorganisms.
A compound having the formula:
An antibacterial pharmaceutical composition, comprising a material selected from the group consisting of
A process for preparing an antibacterial pharmaceutical composition, comprising mixing a material selected from the group consisting of
Dependencies are inferred from the claim text.