Patents by Inventor Poojabahen RAVAL

Poojabahen RAVAL 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 diastereoselective synthesis of vicinal diamines
    Patent number: 11299455
    Abstract: The present invention relates to an improved process for diastereoselective synthesis of vicinal diamines (1). The process involves highly regio- and diastereoselective addition of 2-azaallyl anions (4) to N-tert-butanesulfinylimines (5) to produce vicinal diamines (1).
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: April 12, 2022
    Assignee: PIRAMAL PHARMA LIMITED
    Inventors: Rajender Reddy Leleti, Sharadsrikar Kotturi, Kumara Swamy Nalivela, Chirag Patel, Poojabahen Raval, Vinkal Zalavadiya
  • AN IMPROVED PROCESS FOR DIASTEREOSELECTIVE SYNTHESIS OF VICINAL DIAMINES
    Publication number: 20220073454
    Abstract: The present invention relates to an improved process for diastereoselective synthesis of vicinal diamines (1). The process involves highly regio- and diastereoselective addition of 2-azaallyl anions (4) to N-tert-butanesulfinylimines (5) to produce vicinal diamines (1).
    Type: Application
    Filed: July 11, 2019
    Publication date: March 10, 2022
    Applicant: PIRAMAL PHARMA LIMITED
    Inventors: Rajender Reddy LELETI, Sharadsrikar KOTTURI, Kumara Swamy NALIVELA, Chirag PATEL, Poojabahen RAVAL, Vinkal ZALAVADIYA