Patents by Inventor Fu-Yao Zhang

Fu-Yao Zhang 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).

  • Process and intermediates for preparing arzoxifene
    Patent number: 8124776
    Abstract: The present invention provides for novel compounds of formula I wherein X is S or S(O); R1 and R2 are each independently selected from the group consisting of —CH2CH3 and phenyl; or R1 and R2 combine to form morpholino; and processes to prepare arzoxifene.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: February 28, 2012
    Assignee: Eli Lilly and Company
    Inventors: Charles Arthur Alt, Douglas Patton Kjell, Tony Yantao Zhang, Fu-Yao Zhang, Jared Wade Fennell, Kevin Dale Seibert
  • PROCESS AND INTERMEDIATES FOR PREPARING ARZOXIFENE
    Publication number: 20100137602
    Abstract: The present invention provides for novel compounds of formula I wherein X is S or S(O); R1 and R2 are each independently selected from the group consisting of —CH2CH3 and phenyl; or R1 and R2 combine to form morpholino; and processes to prepare arzoxifene.
    Type: Application
    Filed: March 3, 2008
    Publication date: June 3, 2010
    Inventors: Charles Arthur Alt, Douglas Patton Kjell, Tony Yantao Zhang, Fu-Yao Zhang, Jared Wade Fennell, Kevin Dale Siebert
  • Chiral aminophosphines
    Patent number: 5952527
    Abstract: This invention relates to (R)- and (S)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl-2,2'-diamine (R-1 and S-1) and (R)- and (S)-2,2'-bis(diarylphospinoamino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binap hthyl (R-2 and S-2) and (R)- and (S)-2,2'-bis(diaklphospinoamino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaph thyl (R-3 and S-3); to a process for the preparation of R-1 and S-1 in which (R) or (S)-1,1'-binaphthyl-2,2'-diamine is partially hydrogenated in the presence of Adam's catalyst (5-20 wt/o of starting material) at 20-100.degree. C.
    Type: Grant
    Filed: February 1, 1999
    Date of Patent: September 14, 1999
    Assignee: The Hong Kong Polytechnic University
    Inventors: Albert Sun-Chi Chan, Fu-Yao Zhang
  • Chiral aminophosphines
    Patent number: 5919981
    Abstract: This invention relates to (R)- and (S)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl-2,2'-diamine (R-1 and S-1) and (R)- and (S)-2,2'-bis(diarylphospinoamino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binap hthyl (R-2 and S-2) and (R)- and (S)-2,2'-bis(dialkylphospinoamino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bina phthyl (R-3 and S-3); to a process for the preparation of R-1 and S-1 in which (R) or (S)-1,1'-binaphthyl-2,2'-diamine is partially hydrogenated in the presence of Adam's catalyst (5-20 wt % of starting material) at 20-100.degree. C.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: July 6, 1999
    Assignee: The Hong Kong Polytechnic University
    Inventors: Albert Sun-Chi Chan, Fu-Yao Zhang