Patents by Inventor Jinhua Jeff Song

Jinhua Jeff Song 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).

  • Methods of making diastereomeric organic compounds
    Patent number: 8916701
    Abstract: Disclosed is a process for making diastereomeric compound of the formula (I): wherein m, n and R1 to R4 are as defined herein. The process of the invention provides the compound of formula (I) in high yield and substantially free of the corresponding diastereomers. The compounds of formula (I) prepared by the process of the invention are useful for making pharmaceutically active compounds such as 11-?-hydroxysteroid hydrogenase type 1 (11-?-HSD1) inhibitors.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: December 23, 2014
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Daniel Robert Fandrick, Zhi-Hui Lu, Diana Reeves, Jonathan Reeves, Chris Hugh Senanayake, Jinhua Jeff Song, Yongda Zhang