Patents by Inventor Andrei K. Yudin

Andrei K. Yudin 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).

  • Patent number: 12060371
    Abstract: There is provide herein a compound of Formula (1): wherein R1, R2, R3, R4, and R5 are each independently H or an organic group.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: August 13, 2024
    Assignee: THE GOVERNING COUNCIL OF THE UNIVERSITY OF TORONTO
    Inventors: Andrei K. Yudin, Aleksandra Holownia
  • Publication number: 20220220130
    Abstract: There is provide herein a compound of Formula (1): wherein R1, R2, R3, R4, and R5 are each independently H or an organic group.
    Type: Application
    Filed: March 22, 2022
    Publication date: July 14, 2022
    Inventors: Andrei K. YUDIN, Aleksandra HOLOWNIA
  • Patent number: 11312731
    Abstract: There is provide herein a compound of Formula (1): wherein R1, R2, R3, R4, and R5 are each independently H or an organic group.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: April 26, 2022
    Assignee: THE GOVERNING COUNCIL OF THE UNIVERSITY OF TORONTO
    Inventors: Andrei K. Yudin, Aleksandra Holownia
  • Publication number: 20200385410
    Abstract: There is provide herein a compound of Formula (1): wherein R1, R2, R3, R4, and R5 are each independently H or an organic group.
    Type: Application
    Filed: June 5, 2020
    Publication date: December 10, 2020
    Inventors: Andrei K. YUDIN, Aleksandra HOLOWNIA
  • Publication number: 20170320908
    Abstract: The present invention relates to cyclic amino acid molecules and methods of preparing the same, and in particular the macrocyclization of amino acids or linear peptides bound to a solid support.
    Type: Application
    Filed: November 17, 2015
    Publication date: November 9, 2017
    Inventors: Jennifer L. Hickey, John Mancuso, Eric Marsault, Andrew L. Roughton, Adam P. Treder, Marie-Claude J. Trembley, Andrei K. Yudin, Serge Zaretsky
  • Patent number: 8143375
    Abstract: The present invention relates to unprotected amino aldehydes and applications for same. More particularly, the present invention relates to novel aziridine aldehydes and processes for preparing these novel compounds. The invention also relates to aziridine-conjugated amino derivatives, and processes for preparing the same. Pentacyclic compounds may be prepared using the aziridine aldehydes of the present invention, and the invention relates to these compounds and the processes by which they are made. The invention also relates to aziridine-conjugated bioactive molecules, such as amino acids and peptides, and processes for preparing such compounds.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: March 27, 2012
    Assignee: The Governing Council of the University of Toronto
    Inventors: Andrei K. Yudin, Ryan Hill
  • Publication number: 20100317832
    Abstract: The present invention applications for same. More particularly, the present invention relates to novel aziridine aldehydes and processes for preparing these novel compounds. The invention also relates to aziridine-conjugated amino derivatives, and processes for preparing the same. Pentacyclic compounds may be prepared using the aziridine aldehydes of the present invention, and the invention relates to these compounds and the processes by which they are made. The invention also relates to aziridine-conjugated bioactive molecules, such as amino acids and peptides, and processes for preparing such compounds.
    Type: Application
    Filed: October 22, 2007
    Publication date: December 16, 2010
    Inventors: Andrei K. Yudin, Ryan Hili
  • Publication number: 20040094407
    Abstract: An electrochemical cell system and method are described. The electrochemical cell system provides a matrix of reaction cells with a first electrode in each cell and a single multiple element counter electrode wherein there is a separate element which is inserted into each cell. Methods and applications of the multiple electrode platform are described. Also described are modified electrodes having immobilized redox catalysts at the electrode surfaces and their use in optimizing performance in electrochemical processes.
    Type: Application
    Filed: June 11, 2003
    Publication date: May 20, 2004
    Inventors: Andrei K. Yudin, Wei Li, Tung Siu
  • Patent number: 6271400
    Abstract: An process for epoxidizing diversely functionalized olefins by oxorhenium catalysis employs conditions which control water concentration. By controlling water concentration, one can maximize monoperoxo complex formation and increase turnover which subsequently reduces diol side products obtained from epoxide ring opening and increases the yield of the desired epoxide product. The optimal range of water concentrations is 0.50-80.0 mol %. Using less than 0.5 mol % water does not result in practical turnovers and 1.0 equivalent of water (or more) is detrimental to the lifetime of the active catalytic species formed.
    Type: Grant
    Filed: October 23, 1998
    Date of Patent: August 7, 2001
    Assignee: The Scripps Research Institute
    Inventors: K. Barry Sharpless, Andrei K. Yudin
  • Publication number: 20010001798
    Abstract: An process for epoxidizing diversely functionalized olefins by oxorhenium catalysis employs conditions which control water concentration. By controlling water concentration, one can maximize monoperoxo complex formation and increase turnover which subsequently reduces diol side products obtained from epoxide ring opening and increases the yield of the desired epoxide product. The optimal range of water concentrations is 0.50-80.0 mol %. Using less than 0.5 mol % water does not result in practical turnovers and 1.0 equivalent of water (or more) is detrimental to the lifetime of the active catalytic species formed.
    Type: Application
    Filed: October 23, 1998
    Publication date: May 24, 2001
    Inventors: K. BARRY SHARPLESS, ANDREI K. YUDIN