Patents by Inventor Haiyan Wang

Haiyan Wang 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).

  • Novel peptides as NS3-serine protease inhibitors of hepatitis C virus
    Publication number: 20030216325
    Abstract: The present invention discloses novel compounds which have HCV protease inhibitory activity as well as methods for preparing such compounds. In another embodiment, the invention discloses pharmaceutical compositions comprising such compounds as well as methods of using them to treat disorders associated with the HCV protease.
    Type: Application
    Filed: July 19, 2001
    Publication date: November 20, 2003
    Inventors: Anil K. Saksena, Viyyoor Moopil Girijavallabhan, Raymond G. Lovey, Edwin Jao, Frank Bennett, Jinping L. McCormick, Haiyan Wang, Russell E. Pike, Stephane L. Bogen, Tin-Yau Chan, Yi-Tsung Liu, Zhaoning Zhu, F. George Njoroge, Ashok Arasappan, Tejal Parekh, Ashit K. Ganguly, Kevin X. Chen, Srikanth Venkatraman, Henry A. Vaccaro, Patrick A. Pinto, Bama Santhanam, Scott Jeffrey Kemp, Odile Esther Levy, Marguerita Lim-Wilby, Susan Y. Tamura, Wanli Wu, Siska Hendrata, Yuhua Huang
  • Novel peptides as NS3-serine protease inhibitors of hepatitis C virus
    Publication number: 20030036501
    Abstract: The present invention discloses novel peptide compounds which have HCV protease inhibitory activity as well as methods for preparing such compounds. In another embodiment, the invention discloses pharmaceutical compositions comprising such peptides as well as methods of using them to treat disorders associated with the HCV protease.
    Type: Application
    Filed: July 19, 2001
    Publication date: February 20, 2003
    Inventors: Anil K. Saksena, Viyyoor Moopil Girijavallabhan, Raymond G. Lovey, Edwin E. Jao, Frank Bennett, Jinping L. McCormick, Haiyan Wang, Russell E. Pike, Stephane L. Bogen, Yi-Tsung Liu, Ashok Arasappan, Tejal Parekh, Patrick A. Pinto, F. George Njoroge, Ashit K. Ganguly, Terence K. Brunck, Scott Jeffrey Kemp, Odile Esther Levy, Marguerita Lim-Wilby
  • Novel peptides as NS3-serine protease inhibitors of hepatitis C virus
    Publication number: 20020160962
    Abstract: The present invention discloses novel peptide compounds which have HCV protease inhibitory activity as well as methods for preparing such compounds. In another embodiment, the invention discloses pharmaceutical compositions comprising such compounds as well as methods of using them to treat disorders associated with the HCV protease.
    Type: Application
    Filed: July 19, 2001
    Publication date: October 31, 2002
    Inventors: Anil K. Saksena, Viyyoor Moopil Girijavallabhan, Stephane L. Bogen, Raymond G. Lovey, Edwin E. Jao, Frank Bennett, Jinping L. Mc Cormick, Haiyan Wang, Russell E. Pike, Yi-Tsung Liu, Tin-Yau Chan, Zhaoning Zhu, Ashok Arasappan, Kevin X. Chen, Srikanth Venkatraman, Tejal Parekh, Patrick A. Pinto, Bama Santhanam, F. George Njoroge, Ashit K. Ganguly, Henry A. Vaccaro, Scott Jeffrey Kemp, Odile Esther Levy, Marguerita Lim-Wilby, Susan Y. Tamura
  • Tetrahydrofuran antifungals
    Patent number: 5714490
    Abstract: A compound represented by the formula I ##STR1## wherein X is independently both F or both Cl or one X is independently F and the other is independently Cl; R.sub.1 is a straight or branched chain (C.sub.3 to C.sub.8) alkyl group substituted by one or two amino acid ester groups (e.g., an amino acid ester group convertible in vivo into a hydroxy group) thereof or a pharmaceutically acceptable salt thereof and pharmaceutical compositions thereof useful for treating and/or preventing fungal infections are disclosed.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: February 3, 1998
    Assignee: Schering Corporation
    Inventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Raymond G. Lovey, Russell E. Pike, Haiyan Wang, Yi-Tsung Liu, Ashit K. Ganguly, Frank Bennett
  • Tetrahydrofuran antifungals
    Patent number: 5710154
    Abstract: A compound represented by the formula I ##STR1## wherein X is independently both F or both Cl or one X is independently F and the other is independently Cl; R.sub.1 is a straight or branched chain (C.sub.3 to C.sub.8) alkyl group substituted by one or two groups convertible in vivo into hydroxy moieties, (e.g., a polyether ester, amino acid ester or phosphate ester) thereof or a pharmaceutically acceptable salt thereof and pharmaceutical compositions thereof useful for treating and/or preventing fungal infections are disclosed.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: January 20, 1998
    Assignee: Schering Corporation
    Inventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Raymond G. Lovey, Russell E. Pike, Haiyan Wang, Yi-Tsung Liu, Ashit K. Ganguly, Frank Bennett
  • Tetrahydrofuran antifungals
    Patent number: 5703236
    Abstract: A compound represented by the formula I ##STR1## wherein X is independently both F or both Cl or one X is independently F and the other is independently Cl; R.sub.1 is a straight or branched chain (C.sub.3 to C.sub.8) alkyl group substituted by one or two hydroxy moieties, an ether ester (e.g., a polyetherester or phosphate ester) thereof or a pharmaceutically acceptable salt thereof and pharmaceutical compositions thereof useful for treating and/or preventing fungal infections are disclosed.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: December 30, 1997
    Assignee: Schering Corporation
    Inventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Raymond G. Lovey, Russell E. Pike, Haiyan Wang, Yi-Tsung Liu, Ashit K. Ganguly, Frank Bennett
  • Tetrahydrofuran antifungals
    Patent number: 5703079
    Abstract: A compound represented by the formula I ##STR1## wherein X is independently both F or both Cl or one X is independently F and the other is independently Cl; R.sub.1 is a straight or branched chain (C.sub.3 to C.sub.8) alkyl group substituted by one or two polyetyher ester groups (e.g., a polyether ester convertible in vivo into a hydroxy group) thereof or a pharmaceutically acceptable salt thereof and pharmaceutical compositions thereof useful for treating and/or preventing fungal infections are disclosed.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: December 30, 1997
    Assignee: Schering Corporation
    Inventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Raymond G. Lovey, Russell E. Pike, Haiyan Wang, Yi-Tsung Liu, Ashit K. Ganguly, Frank Bennett
  • Tetrahydrofuran antifungals
    Patent number: 5693626
    Abstract: A compound represented by the formula I ##STR1## wherein X is independently both F or both Cl or one X is independently F and the other is independently Cl; R.sub.1 is a straight or branched chain (C.sub.3 to C.sub.8) alkyl group substituted by one or two phosphate ester groups (e.g., a phosphate ester convertible in vivo into a hydroxy group) thereof or a pharmaceutically acceptable salt thereof and pharmaceutical compositions thereof useful for treating and/or preventing fungal infections are disclosed.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: December 2, 1997
    Assignee: Schering Corporation
    Inventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Raymond G. Lovey, Russell E. Pike, Haiyan Wang, Yi-Tsung Liu, Ashit K. Ganguly, Frank Bennett
  • Tetrahydrofuran antifungals
    Patent number: 5661151
    Abstract: A compound represented by the formula I ##STR1## wherein X is independently both F or both Cl or one X is independently F and the other is independently Cl; R.sub.1 is a straight or branched chain (C.sub.3 to C.sub.8) alkyl group substituted by one or two hydroxy moieties, an ether or ester thereof (e.g., a polyether ester amino acid ester or phosphate ester) thereof or a pharmaceutically acceptable salt thereof and pharmaceutical compositions thereof useful for treating and/or preventing fungal infections are disclosed.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: August 26, 1997
    Assignee: Schering Corporation
    Inventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Raymond G. Lovey, Russell E. Pike, Haiyan Wang, Yi-Tsung Liu, Ashit K. Ganguly, Frank Bennett
  • Process for preparing intermediates for the synthesis of antifungal agents
    Patent number: 5403937
    Abstract: Disclosed is a process for preparing chiral compounds of the formula (I) ##STR1## wherein: X.sup.1 and X.sup.2 are independently F or Cl; and E is --SO.sub.2 R.sup.2, wherein R.sup.2 is C.sub.1 -C.sub.6 alkyl, --C.sub.6 H.sub.4 CH.sub.3 or --CF.sub.3 ; its enantiomer and racemates thereof, useful in the synthesis of tetrahydrofuran azole antifungals. Novel compounds of the formula ##STR2## wherein: X.sup.1 and X.sup.2 are independently F or Cl; B represents --C(O)Q* or --CH.sub.2 OR"; Q* represents a chiral auxiliary group; R" represents a hydroxy protecting group selected from --CH.sub.2 C.sub.6 H.sub.5, or --C(O)R.sup.1, wherein R.sup.1 is C.sub.1 -C.sub.6 alkyl; and A represents Cl, Br, I or triazolyl; are also disclosed.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: April 4, 1995
    Assignee: Schering Corporation
    Inventors: Anil K. Saksena, Viyyoor M. Girijavallabhan, Russell E. Pike, Haiyan Wang, Raymond G. Lovey, Yi-Tsung Liu, Ashit K. Ganguly, William B. Morgan, Aleksey Zaks