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:
Jan. 06, 2020
Filed:
Apr. 02, 2018
Applicant:
Eisai R&d Management Co., Ltd., Tokyo, JP;
Inventors:
Farid Benayoud, North Andover, MA (US);
Trevor Lee Calkins, Salem, WI (US);
Charles E. Chase, Londonderry, NH (US);
William Christ, Andover, MA (US);
Bryan M. Lewis, North Brunswick, NJ (US);
Matthew Schnaderbeck, Methuen, MA (US);
Marc Pesant, Saint-Colomban, CA;
Brian Austad, Tewksbury, MA (US);
Silvio Campagna, Dover, DE (US);
Yongbo Hu, Shanghai, CN;
Gordon Wilkie, Wayland, MA (US);
Xiaojie Zhu, Andover, MA (US);
Francis G. Fang, Andover, MA (US);
Assignee:
EISAI R&D MANAGEMENT CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/28 (2005.12); C07F 7/18 (2005.12); C07C 33/42 (2005.12); C07D 407/06 (2005.12); C07D 407/14 (2005.12); C07D 493/04 (2005.12); C07D 493/08 (2005.12); C07D 493/18 (2005.12); C07D 493/22 (2005.12); C07D 493/20 (2005.12); C07D 317/72 (2005.12); C07H 15/26 (2005.12); A61K 31/341 (2005.12); C07D 307/12 (2005.12); C07D 493/10 (2005.12); C07D 307/33 (2005.12);
U.S. Cl.
CPC ...
C07F 7/1804 (2012.12); A61K 31/341 (2012.12); C07C 33/423 (2012.12); C07D 307/12 (2012.12); C07D 307/28 (2012.12); C07D 307/33 (2012.12); C07D 317/72 (2012.12); C07D 407/06 (2012.12); C07D 407/14 (2012.12); C07D 493/04 (2012.12); C07D 493/08 (2012.12); C07D 493/10 (2012.12); C07D 493/18 (2012.12); C07D 493/20 (2012.12); C07D 493/22 (2012.12); C07F 7/188 (2012.12); C07H 15/26 (2012.12); Y02P 20/55 (2015.10);
Abstract
Intermediates and methods of their use in the synthesis of analogs of halichondrin B are provided.