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:
Oct. 06, 2026
Filed:
Jun. 09, 2021
Applicant:
Recurium Ip Holdings, Llc, San Diego, CA (US);
Inventors:
Peter Qinhua Huang, San Diego, CA (US);
Chad Daniel Hopkins, San Diego, CA (US);
Brant Clayton Boren, San Diego, CA (US);
Sunny Abraham, San Diego, CA (US);
Kevin Duane Bunker, Escondido, CA (US);
Sobhana Babu Boga, San Diego, CA (US);
Shuguang Zhu, San Diego, CA (US);
Tao Wu, San Diego, CA (US);
Benjamin Pratt, Encinitas, CA (US);
Assignee:
Recurium IP Holdings, LLC, San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 487/04 (2006.01); C07D 221/04 (2006.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01); C07D 221/04 (2013.01); C07B 2200/13 (2013.01);
Abstract
A process is provided for making a WEE1 inhibitor of the formula (1A) useful in the treatment of conditions characterized by excessive cellular proliferation, such as cancer. In some embodiments, processes are provided for making intermediate compounds of the formulae (3), (5) and (6) as defined herein.