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:
Aug. 16, 2022
Filed:
Aug. 28, 2020
Applicants:
Sumitomo Pharma Oncology, Inc., Cambridge, MA (US);
Sumitomo Pharma Co., Ltd., Osaka, JP;
Inventors:
Hitoshi Ban, Osaka, JP;
Seiji Kamioka, Osaka, JP;
Yusuke Sawayama, Osaka, JP;
Chiang Jia Li, Cambridge, MA (US);
Assignees:
SUMITOMO PHARMA ONCOLOGY, INC., Cambridge, MA (US);
SUMITOMO PHARMA CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/92 (2006.01); C07D 405/14 (2006.01); C07D 405/12 (2006.01); A61P 35/02 (2006.01); A61P 35/00 (2006.01);
U.S. Cl.
CPC ...
C07D 307/92 (2013.01); A61P 35/00 (2018.01); A61P 35/02 (2018.01); C07D 405/12 (2013.01); C07D 405/14 (2013.01);
Abstract
A process for producing a hydrate of a hydrochloride salt of 2,2'-((((((2-acetylnaphtho[2,3-b]furan-4,9-diyl)bis(oxy))bis(carbonyl))bis(azanediyl))bis(ethane-2,1-diyl))bis(azanediyl))diacetic acid of the formula: wherein the process comprises the following step: