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:
Mar. 05, 2002
Filed:
Nov. 28, 2000
Applicant:
Inventors:
Gerard A. Crispino, Princeton, NJ (US);
Shaopeng Wang, Basking Ridge, NJ (US);
Jun Li, North Brunswick, NJ (US);
Assignee:
Bristol-Myers Squibb Company, Princeton, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
Abstract
The present invention relates to a process for the preparation of 3-substituted-4-arylquinolin-2-one derivatives from a substituted coumarin and using a photochemical cyclization method on a dihydrofuran intermediate.
Crispino, Gerard. (2002). Preparation of 3-substituted-4-arylquinolin-2-one derivatives (U.S. Patent No. 6353119). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6353119
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile