Patents by Inventor Ulhas Dhokte

Ulhas Dhokte 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).

  • Process for the preparation of entecavir and novel intermediates thereof via carbon-silicon oxidation
    Publication number: 20050272932
    Abstract: Processes for preparing entecavir and novel intermediates thereof using carbon-silicon oxidation.
    Type: Application
    Filed: June 2, 2005
    Publication date: December 8, 2005
    Inventors: Maotang Zhou, Emily Reiff, Purushotham Vemishetti, Yadagiri Pendri, Ambarish Singh, Siva Prasad, Ulhas Dhokte, Xinhua Qian, Pia Mountford, Kerry Hartung, Helen Sailes
  • Process for preparing 4-alkyl- or 4-aryl-oxycarbonyl paclitaxel analogs and novel intermediates
    Publication number: 20050054863
    Abstract: A process is provided for preparing 4-alkyl- or 4-aryl-oxycarbonyl paclitaxel analogs which includes the steps of converting paclitaxel into a C-7 acylprotected paclitaxel employing an electrophilic protecting group, such as benzoyloxycarbonyl, and converting the C-7 protected analog into the 4-alkyloxycarbonyl or 4-aryloxycarbonyl paclitaxel analog. Novel intermediates produced in the process are also provided.
    Type: Application
    Filed: August 2, 2004
    Publication date: March 10, 2005
    Inventors: Frank Gibson, Joydeep Kant, Rajendra Deshpande, Karen TenHuisen, Jing Liang, Jun Li, Susan Boettger, Edward Gublo, Ulhas Dhokte