Patents by Inventor Poddutoori Ramulu

Poddutoori Ramulu 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).

  • Non-cross-linking pyrrolo[2,1-c][1,4]benzodiazepines and process thereof
    Patent number: 6884799
    Abstract: The present invention relates to novel pyrrolo[2,1-c][1,4]benzodiazepines compounds of general formula V as shown below, which are useful as potential antitumour agents and a process of preparing these compounds; particularly the present invention provides a process for the preparation of 7-methoxy-8-{n-[7-methoxy-(11aS)-1,2,3,10,11,11a-hexahydro-5H-pyrrolo[2,1-c][1,4]ben-zodiazepine-5-one-8-yloxy]alkyloxy}-(11aS)-1,2,3,11a-tetrahydro-5H-pyrrolo[2,1-c][1,4]benzodiazepin-5-one, with varying aliphatic chain length and its 2-hydroxy derivatives.
    Type: Grant
    Filed: March 31, 2003
    Date of Patent: April 26, 2005
    Assignee: Council of Scientific and Industrial Research
    Inventors: Ahmed Kamal, Gujjar Ramesh, Olepu Srinivas, Poddutoori Ramulu
  • Non-cross-linking pyrrolo[2,1-c][1,4]benzodiazepines and process thereof
    Publication number: 20040192679
    Abstract: The present invention relates to novel pyrrolo[2,1-c][1,4]benzodiazepines compounds of general formula V as shown below, which are useful as potential antitumour agents and a process of preparing these compounds; particularly the present invention provides a process for the preparation of 7-methoxy-8-{n-[7-methoxy-(11aS)-1,2,3,10,11,11a-hexahydro-5H-pyrrolo[2,1-c][1,4]ben-zodiazepine-5-one-8-yloxy]alkyloxy}-(11aS)-1,2,3,11a-tetrahydro-5H-pyrrolo[2,1-c][1,4]benzodiazepin-5-one, with varying aliphatic chain length and its 2-hydroxy derivatives.
    Type: Application
    Filed: March 31, 2003
    Publication date: September 30, 2004
    Inventors: Ahmed Kamal, Gujjar Ramesh, Olepu Srinivas, Poddutoori Ramulu