Patents by Inventor Spinvin VENUGOPAL

Spinvin VENUGOPAL 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 preparing chroman compounds
    Patent number: 12421204
    Abstract: A process for manufacturing substituted chroman compounds in an economically scalable manner, without the use of pyrophoric reagents. Also disclosed herein are chroman compound synthesis routes that do not include column chromatography purification steps. The disclosure also relates to the intermediates used in the synthesis. In particular, the disclosure relates to the synthesis of the Calcium sensing receptor (CaSR) modulating agent 2-methyl-5-((2R,4S)-2-((((R)-1-(naphthalen-1-yl)ethyl)amino)methyl)chroman-4-yl)benzoic acid, its intermediates and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: September 23, 2025
    Assignee: LUPIN LIMITED
    Inventors: Rajender Kumar Kamboj, Shaji George Kochumalayil, Spinvin Venugopal, Kamlesh Jyotindra Padiya, Prabakaran Kamalakannan, Kumar Ram Naik, Sachin Subhash Ingawale, Bhavani Shankar Rajesh, Rajendra Ganpati Powar
  • PROCESS FOR PREPARING CHROMAN COMPOUNDS
    Publication number: 20230025246
    Abstract: A process for manufacturing substituted chroman compounds in an economically scalable manner, without the use of pyrophoric reagents. Also disclosed herein are chroman compound synthesis routes that do not include column chromatography purification steps. The disclosure also relates to the intermediates used in the synthesis. In particular, the disclosure relates to the synthesis of the Calcium sensing receptor (CaSR) modulating agent 2-methyl-5-((2R,4S)-2-((((R)-1-(naphthalen-1-yl)ethyl)amino)methyl)chroman-4-yl)benzoic acid, its intermediates and pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: November 18, 2020
    Publication date: January 26, 2023
    Inventors: Rajender Kumar KAMBOJ, Shaji George KOCHUMALAYIL, Spinvin VENUGOPAL, Kamlesh Jyotindra PADIYA, Prabakaran KAMALAKANNAN, Kumar Ram NAIK, Sachin Subhash INGAWALE, Bhavani Shankar RAJESH, Rajendra Ganpati POWAR