The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 23, 1986
Filed:
Aug. 06, 1984
Applicant:
Inventors:
Carlo Battistini, Novate Milanese, IT;
Maurizio Foglio, Milan, IT;
Giovanni Franceschi, Milan, IT;
Cosimo Scarafile, Milan, IT;
Assignee:
Farmitalia Carlo Erba S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
540310 ; 540357 ; 514210 ; 514193 ; 514195 ;
Abstract
A process for preparing 2-methyl substituted penems useful as antibiotics agent and/or as intermediates thereof, by reacting an appropriate 1-imido-3,4-disubstituted azetidinone derivative with a trivalent organophosphorus compound in an inert solvent at a temperature of from 110.degree. to 150.degree. C. for a period of from 2 hours to a few days.