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. 12, 2023
Filed:
Jul. 02, 2019
Applicant:
Norbrook Laboratories Limited, Down, GB;
Inventor:
Karolina Madela, Down, GB;
Assignee:
Norbrook Laboratories Limited, Down, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 501/10 (2006.01); C07D 307/16 (2006.01);
U.S. Cl.
CPC ...
C07D 501/10 (2013.01); C07D 307/16 (2013.01);
Abstract
Disclosed herein are novel and inventive methods for preparing intermediates in the synthesis of C3-substituted cephalosporins. One preferred C3-substituted cephalosporin of clinical interest is Cefovecin. Accordingly, the present invention provides for methods of preparing reactive halogen intermediates for use in the synthesis of C3-substituted cephalosporins, such as Cefovecin. In the case of Cefovecin the reactive intermediates are of the formula: