Patents by Inventor Shikai Tian

Shikai Tian 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).

  • Catalytic asymmetric desymmetrization of prochiral and meso compounds
    Publication number: 20060287549
    Abstract: The present invention relates to methods for the synthesis of chiral non-racemic products, e.g., enantiomerically-enriched hemiesters, from prochiral and meso starting materials, e.g., prochiral and meso cyclic anhydrides. The present invention also relates to catalysts for the aforementioned methods, and methods for synthesizing these catalysts.
    Type: Application
    Filed: May 30, 2006
    Publication date: December 21, 2006
    Applicant: Brandeis University
    Inventors: Li Deng, Yonggang Chen, Shikai Tian
  • Catalytic asymmetric desymmetrization of prochiral compounds
    Patent number: 7060840
    Abstract: The present invention relates to methods for the synthesis of chiral non-racemic products, e.g., enantiomerically-enriched hemiesters, from prochiral starting materials, e.g., meso anhydrides. The present invention also relates to catalysts for the aforementioned methods, and methods for synthesizing these catalysts.
    Type: Grant
    Filed: February 13, 2003
    Date of Patent: June 13, 2006
    Assignee: Brandeis University
    Inventors: Li Deng, Yonggang Chen, Shikai Tian
  • Catalytic asymmetric desymmetrization of prochiral and meso compounds
    Patent number: 7053236
    Abstract: The present invention relates to methods for the synthesis of chiral non-racemic products, e.g., enantiomerically-enriched hemiesters, from prochiral and meso starting materials, e.g., prochiral and meso cyclic anhydrides. The present invention also relates to catalysts for the aforementioned methods, and methods for synthesizing these catalysts.
    Type: Grant
    Filed: June 12, 2003
    Date of Patent: May 30, 2006
    Assignee: Brandeis University
    Inventors: Li Deng, Yonggang Chen, Shikai Tian
  • Catalytic asymmetric desymmetrization of prochiral and meso compounds
    Publication number: 20040082809
    Abstract: The present invention relates to methods for the synthesis of chiral non-racemic products, e.g., enantiomerically-enriched hemiesters, from prochiral and meso starting materials, e.g., prochiral and meso cyclic anhydrides. The present invention also relates to catalysts for the aforementioned methods, and methods for synthesizing these catalysts.
    Type: Application
    Filed: June 12, 2003
    Publication date: April 29, 2004
    Inventors: Li Deng, Yonggang Chen, Shikai Tian
  • Catalyst asymmetric desymmetrization of prochiral compounds
    Publication number: 20030171610
    Abstract: The present invention relates to methods for the synthesis of chiral non-racemic products, e.g., enantiomerically-enriched hemiesters, from prochiral starting materials, e.g., meso anhydrides. The present invention also relates to catalysts for the aforementioned methods, and methods for synthesizing these catalysts.
    Type: Application
    Filed: February 13, 2003
    Publication date: September 11, 2003
    Inventors: Li Deng, Yonggang Chen, Shikai Tian
  • Catalytic asymmetric desymmetrization of meso compounds
    Patent number: 6580003
    Abstract: The present invention relates to methods for the synthesis of chiral non-racemic products, e.g., enantiomerically-enriched hemiesters, from prochiral starting materials, e.g., meso anhydrides. The present invention also relates to catalysts for the aforementioned methods, and methods for synthesizing these catalysts.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: June 17, 2003
    Assignee: Brandeis University
    Inventors: Li Deng, Yonggang Chen, Shikai Tian
  • Catalytic asymmetric desymmetrization of meso compounds
    Publication number: 20020038048
    Abstract: The present invention relates to methods for the synthesis of chiral non-racemic products, e.g., enantiomerically-enriched hemiesters, from prochiral starting materials, e.g., meso anhydrides. The present invention also relates to catalysts for the aforementioned methods, and methods for synthesizing these catalysts.
    Type: Application
    Filed: April 3, 2001
    Publication date: March 28, 2002
    Inventors: Li Deng, Yonggang Chen, Shikai Tian