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. 17, 2019
Filed:
Jan. 12, 2018
Applicant:
Pfizer Inc., New York, NY (US);
Inventors:
Robert Wayne Dugger, Stonington, CT (US);
Leo Joseph Letendre, Oakdale, CT (US);
Vimalkumar Babubhai Patel, Garnerville, NY (US);
Amarnauth Shastrie Prashad, New City, NY (US);
Chunchun Zhang, North Potomac, MD (US);
Assignee:
Pfizer Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 323/48 (2006.01); C07C 319/20 (2006.01); C07C 323/60 (2006.01); C07C 319/28 (2006.01); A61K 47/68 (2017.01); C07C 319/06 (2006.01); C07D 207/46 (2006.01); C07H 1/06 (2006.01); C07H 15/26 (2006.01);
U.S. Cl.
CPC ...
C07C 323/48 (2013.01); C07C 319/20 (2013.01); C07C 323/60 (2013.01); A61K 47/6809 (2017.08); C07C 319/06 (2013.01); C07C 319/28 (2013.01); C07D 207/46 (2013.01); C07H 1/06 (2013.01); C07H 15/26 (2013.01);
Abstract
The present invention relates to intermediates of Formula I and to methods of synthesizing and purifying calicheamicin derivatives.