Patents Assigned to Onconova Therapeutics, Inc.
  • ALKYNE KETONES
    Publication number: 20030199707
    Abstract: Provided are processes for the preparation of the compound of the formula 1
    Type: Application
    Filed: April 25, 2003
    Publication date: October 23, 2003
    Applicant: Onconova Therapeutics, Inc.
    Inventors: M. V. Ramana Reddy, Stanley C. Bell
  • Processes for the preparation of substituted isoxazoles and 2-isoxazolines
    Publication number: 20030162813
    Abstract: Provided are compounds, processes and synthetic intermediates useful for the preparation of compounds of the formula I and IX 1
    Type: Application
    Filed: October 11, 2002
    Publication date: August 28, 2003
    Applicant: Onconova Therapeutics, Inc.
    Inventors: M. V. Ramana Reddy, Stanley C. Bell
  • Processes for the preparation of 1,5-diarylpyrazoles
    Patent number: 6579988
    Abstract: Provided are processes for the preparation of the compound of the formula wherein R1, R3 and R4 are independently selected from the group consisting of hydrogen, halogen, hydroxyl, nitro, lower alkyl, lower alkoxy, carboxy, C1-C6 trihaloalkyl, and cyano; and R2 is amino or lower alkyl. Also provided are synthetic intermediates that are useful as intermediates in the preparation of the compound of the formula 1.
    Type: Grant
    Filed: September 18, 2002
    Date of Patent: June 17, 2003
    Assignee: Onconova Therapeutics, Inc.
    Inventors: M. V. Ramana Reddy, Stanley C. Bell