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. 26, 1999
Filed:
Dec. 19, 1996
Applicant:
Inventors:
Subrahmanyam Duvvuri, Andhra Pradesh, IN;
Venkateswarlu Akella, Andhra Pradesh, IN;
Sharma Manohara Vedula, Andhra Pradesh, IN;
Archana Prabhakar Kulakarni, Andhra Pradesh, IN;
Assignee:
Dr. Reddy's Research Foundation, Hyderabad, IN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514283 ; 546 48 ;
Abstract
Novel water soluble C-ring analogs of 20(S)-camptothecin having the formula 1. ##STR1## The compounds of the formula 1 are prepared from the compounds of the formula 12 having C-20(S) chiral carbon. The compounds of the formula 1 possess potent anti-cancer and anti-viral properties.