Patents by Inventor Vy Dong

Vy Dong 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).

  • Lewis acid-catalyzed claisen rearrangement in the preparation of chiral products
    Patent number: 6359174
    Abstract: A novel Claisen rearrangement reaction is provided. An allylic reactant such as an allylic amine, an allylic ether or an allylic thioether is reacted with an acid chloride in the presence of a Lewis acid catalyst composition composed of a Lewis acid and a base selected from the group consisting of tertiary amines and non-nitrogenous bases. The stereochemistry of the reaction product is readily controlled by the positioning and size of substituents on the allylic reactant. The reaction may be carried out on a solid support, i.e., on the surface of a substrate suitable for conducting solid phase chemical reactions.
    Type: Grant
    Filed: September 26, 2000
    Date of Patent: March 19, 2002
    Assignee: The Regents of the University of California
    Inventors: David W. C. MacMillan, Vy Dong, Tehshik Yoon