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:
Apr. 08, 1997
Filed:
Jan. 10, 1995
Applicant:
Inventors:
Lin-Hua Zhang, Wilmington, DE (US);
Joseph Auerbach, Brooklyn, NY (US);
Assignee:
The DuPont Merck Pharmaceutical Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
5483585 ;
Abstract
This invention relates to compounds, including 5-chloro-2-[2-[[(4-methylphenyl)sulfonyl]oxy]ethyl]-7-[2,4,6-trimethylphen yl)methoxy]anthra[1,9-cd]pyrazol-6(2H)-one and analogs thereof, which are useful as intermediates for the synthesis of anthrapyrazolone anticancer agents, including losoxantrone. This invention also relates to methods for the synthesis of anthrapyrazolone anticancer agents, including losoxantrone.
Zhang, Lin-Hua. (1997). Method for the synthesis of anthrapyrazolones (U.S. Patent No. 5618944). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5618944
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile