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Yiyang Liu

age ~34

from Stanton, CA

Also known as:
  • Yi-Yang Liu
  • Yi Yang Liu

Yiyang Liu Phones & Addresses

  • Stanton, CA
  • Garden Grove, CA
  • Anaheim, CA
  • Los Angeles, CA
  • Plainsboro, NJ
  • Potsdam, NY

Resumes

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Yiyang Liu

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Us Patents

  • Quaternary Heteroatom Containing Compounds

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  • US Patent:
    20130267699, Oct 10, 2013
  • Filed:
    Mar 12, 2013
  • Appl. No.:
    13/797736
  • Inventors:
    Scott C. Virgil - Pasadena CA,
    David E. White - Wayne PA,
    Taiga Yurino - Kyoto,
    Yiyang Liu - Pasadena CA,
    Douglas C. Behenna - Laguna Niguel CA,
    Douglas Duquette - Temple City CA,
  • International Classification:
    C07D 265/32
    C07D 207/16
    C07D 223/10
    C07D 211/60
  • US Classification:
    540529, 546298, 546299, 548531, 544172
  • Abstract:
    The invention provides heterocyclic compounds with quaternary centers and methods of preparing compounds. Methods include the method for the preparation of a compound of Formula (II):comprising treating a compound of Formula (I):with a transition metal catalyst and under alkylation conditions as valence and stability permit.
  • Quaternary Heteroatom Containing Compounds

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  • US Patent:
    20130012701, Jan 10, 2013
  • Filed:
    Jun 22, 2012
  • Appl. No.:
    13/531485
  • Inventors:
    Brian M. Stoltz - San Marino CA,
    Scott C. Virgil - Pasadena CA,
    David E. White - Wayne PA,
    Taiga Yurino - Kyoto,
    Yiyang Liu - Pasadena CA,
    Douglas C. Behenna - Laguna Niguel CA,
    Douglas Duquette - Temple City CA,
  • Assignee:
    California Institute of Technology - Pasadena CA
  • International Classification:
    C07D 211/78
    C07D 207/277
    C07D 223/10
    C07D 265/32
    C07D 309/08
    C07D 309/30
    C07D 207/36
    C07D 241/08
    C07D 223/04
    C07F 7/18
    C07C 229/00
  • US Classification:
    540529, 546221, 546 14, 548536, 544172, 546205, 546203, 560 41, 549291, 546220, 544383, 540607, 549425, 546222
  • Abstract:
    A compound useful as a building block for the manufacture of various compounds is represented by Formula A or D.In Formula A and D, z is 0 or 1; Q is a heteroatom; R1 through R11 and Ra through Rf are each independently hydrogen, a substituted or unsubstituted hydrocarbyl group, a substituted or unsubstituted heteroatom containing hydrocarbyl group, or a functional group; d, e and f are each independently 0 or greater; each of A, B and D is independently a carbon atom or a heteroatom; and two or more of R1 though R11, Ra through Rf and Y optionally combine to form a ring. In some embodiments, R8 and R9 combine to form a carbonyl group. In some embodiments, R2 and Y combine to form a ring with the Q atom. In some embodiments, the ring includes at least one double bond.

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