Patents by Inventor Subhash Ghosh

Subhash Ghosh 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).

  • A Chemo-Enzymatic Process for the Preparation of Homopropargylic Alcohol
    Publication number: 20220333139
    Abstract: The present invention relates to an enzymatic process for preparation of optically pure enantiomers of homopropargylic alcohol compounds of formula I, which are useful intermediates for the synthesis of Halichondrin B and analogs. wherein, P is H or an alcohol protecting group, n is an integer ranging from 0-12.
    Type: Application
    Filed: June 17, 2020
    Publication date: October 20, 2022
    Applicant: Council of Scientific and Industrial Research
    Inventors: Srivari CHANDRASEKHAR, Subhash GHOSH, Avula Shiva KRISHNA, Chada Raji REDDY, Gangarajula SUDHAKAR, Kumaraguru THENKRISHNAN, Srihari PABBARAJA, Prathama Satyendra MAINKAR, Rajesh NASAM
  • Micro-electrolysis reactor for ultra fast, oxidant free, C—C coupling reaction and synthesis of daclatasvir analogs thereof
    Patent number: 11344858
    Abstract: The present invention relates to a continuous micro-electro-flow reactor system for ultra-fast, oxidant free, C—C coupling reaction for making symmetrical biaryls and analogs thereof. This invention further relates to the said process for preparation of antiviral drug, daclatasvir of general formula I.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: May 31, 2022
    Inventors: Ajay Kumar Singh, Srihari Pabbaraja, Subhash Ghosh, Mahajan Bhushan, Taufiqueahmed Mujawar
  • MICRO-ELECTROLYSIS REACTOR FOR ULTRA FAST, OXIDANT FREE, C-C COUPLING REACTION AND SYNTHESIS OF DACLATASVIR ANALOGS THEREOF
    Publication number: 20200346182
    Abstract: The present invention relates to a continuous micro-electro-flow reactor system for ultra-fast, oxidant free, C—C coupling reaction for making symmetrical biaryls and analogs thereof. This invention further relates to the said process for preparation of antiviral drug, daclatasvir of general formula I.
    Type: Application
    Filed: April 1, 2020
    Publication date: November 5, 2020
    Inventors: Ajay Kumar SINGH, Srihari Pabbaraja, Subhash Ghosh, Mahajan Bhushan, Taufiqueahmed Mujawar