Patents by Inventor Pandurang V. Chouthaiwale

Pandurang V. Chouthaiwale 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 producing dihydro-2H-pyran derivatives
    Patent number: 9630940
    Abstract: Disclosed is a process for preparing dihydro-2H-pyran derivatives of formula I: wherein R1 and R2 are defined herein. The process of the invention provides the compound of formula I in concise cascade reactions and in one pot. The compound of formulae I prepared by the process of the invention and its further transformed derivatives are useful for making pharmaceutical composition for the treatment of proliferative diseases.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: April 25, 2017
    Assignee: OKINAWA INSTITUTE OF SCIENCE AND TECHNOLOGY SCHOOL CORPORATION
    Inventors: Pandurang V. Chouthaiwale, Fujie Tanaka
  • PROCESS FOR PRODUCING DIHYDRO-2H-PYRAN DERIVATIVES
    Publication number: 20160251328
    Abstract: Disclosed is a process for preparing dihydro-2H-pyran derivatives of formula I: wherein R1 and R2 are defined herein. The process of the invention provides the compound of formula I in concise cascade reactions and in one pot. The compound of formulae I prepared by the process of the invention and its further transformed derivatives are useful for making pharmaceutical composition for the treatment of proliferative diseases.
    Type: Application
    Filed: May 6, 2016
    Publication date: September 1, 2016
    Applicant: OKINAWA INSTITUTE OF SCIENCE AND TECHNOLOGY SCHOOL CORPORATION
    Inventors: Pandurang V. CHOUTHAIWALE, Fujie TANAKA
  • Process for producing dihydro-2H-pyran derivatives
    Patent number: 9346780
    Abstract: Disclosed is a process for preparing dihydro-2H-pyran derivatives of formula I: wherein R1 and R2 are defined herein. The process of the invention provides the compound of formula I in concise cascade reactions and in one pot. The compound of formulae I prepared by the process of the invention and its further transformed derivatives are useful for making pharmaceutical composition for the treatment of proliferative diseases.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: May 24, 2016
    Assignee: OKINAWA INSTITUTE OF SCIENCE AND TECHNOLOGY SCHOOL CORPORATION
    Inventors: Pandurang V. Chouthaiwale, Fujie Tanaka
  • PROCESS FOR PRODUCING DIHYDRO-2H-PYRAN DERIVATIVES
    Publication number: 20150246896
    Abstract: Disclosed is a process for preparing dihydro-2H-pyran derivatives of formula I: wherein R1 and R2 are defined herein. The process of the invention provides the compound of formula I in concise cascade reactions and in one pot. The compound of formulae I prepared by the process of the invention and its further transformed derivatives are useful for making pharmaceutical composition for the treatment of proliferative diseases.
    Type: Application
    Filed: October 10, 2013
    Publication date: September 3, 2015
    Applicant: OKINAWA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Pandurang V. Chouthaiwale, Fujie Tanaka