Patents by Inventor Sharma Manohara Vedula

Sharma Manohara Vedula has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Water soluble analogues of 20(S)-camptothecin
    Patent number: 6214836
    Abstract: Novel water soluble C-ring analogues of 20(S)-camptothecin having the general formula 1. All the compounds of the formula 1 are prepared from the compounds of the general formula 2 having 20(S)-chiral carbon. The compounds of the formula 1 possess potent anti-cancer and anti-viral properties. The invention also provides an alternate process for the preparation of known C-5 substituted compounds of the formula 1.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: April 10, 2001
    Assignees: Dr. Reddy's Research Foundation, Reddy Cheminor, Inc.
    Inventors: Subrahmanyam Duvvuri, Venkateswarlu Akella, Sharma Manohara Vedula, Rao Venkateswara Kalla, Srinivas S.S.V. Akella
  • Water soluble analogues of 20(S)-camptothecin
    Patent number: 6177439
    Abstract: Novel water soluble C-ring analogues of 20(S)-camptothecin having the general formula 1, All the compounds of the formula 1 are prepared from the compounds of the general formula 2 having 20(S)-chiral carbon where R1 to R5 have the meaning given above. The compounds of the formula 1 possess potent anti-cancer and anti-viral properties.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: January 23, 2001
    Assignees: Reddy's Research Foundation, Reddy-Cheminor, Inc.
    Inventors: Subrahmanyam Duvvuri, Venkateswarlu Akella, Sharma Manohara Vedula, Sastry V. R. S. Thungathurthi, Vamsee Krishna Chintakunta, Shobha Madabhushi
  • Water soluble C-ring analogues of 20(S)-camptothecin
    Patent number: 5972955
    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.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: October 26, 1999
    Assignee: Dr. Reddy's Research Foundation
    Inventors: Subrahmanyam Duvvuri, Venkateswarlu Akella, Sharma Manohara Vedula, Archana Prabhakar Kulakarni