Patents by Inventor Lanqi Jia

Lanqi Jia 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).

  • Renin inhibitors
    Patent number: 8106221
    Abstract: The present invention is directed to aspartic protease inhibitors. The present invention is also directed to pharmaceutical compositions comprising the disclosed aspartic protease inhibitors. The present invention is further directed to methods of antagonizing one or more aspartic proteases in a subject in need thereof, and methods for treating an aspartic protease mediated disorder in a subject using the disclosed aspartic protease inhibitors.
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: January 31, 2012
    Assignee: Vitae Pharmaceuticals, Inc.
    Inventors: John J. Baldwin, Salvacion Cacatian, David A. Claremon, Lawrence W. Dillard, Patrick T. Flaherty, Alexey V. Ishchenko, Lanqi Jia, Gerard McGeehan, Robert D. Simpson, Suresh B. Singh, Colin M. Tice, Zhenrong Xu, Jing Yuan, Wei Zhao, Linghang Zhuang
  • Inhibitors Of Beta-Secretase
    Publication number: 20110218192
    Abstract: The present invention is directed to a compound represented by the following structural formula: or a pharmaceutically acceptable salt thereof. Pharmaceutical composition comprising a compound represented by Structural Formula (I) and method of use of these compound for inhibiting BACE activity in a subject in need of such treatment are also described.
    Type: Application
    Filed: August 14, 2009
    Publication date: September 8, 2011
    Applicant: VITAE PHARMACEUTICALS, INC.
    Inventors: Lawrence W. Dillard, Jing Yuan, Lanqi Jia, Yajun Zheng
  • SALTS OF METHYL 2-((R)-(3-CHLOROPHENYL)((R)-1-((S)-2-(METHYLAMINO)-3-((R)-TETRAHYDRO-2H-PYRAN-3-YL)PROPYLCARBAMOYL)PIPERIDIN-3-YL)METHOXY)ETHYLCARBAMATE
    Publication number: 20110098321
    Abstract: Mucic acid salts of a compound represented by the following structural formula: are disclosed. In particular, single crystalline mucic acid salts of the compound represented by structural formula (I) are characterized by a variety of properties and physical measurements. Methods of producing the mucic acid salts, using the salts to antagonize one or more aspartic proteases, and methods of treating a number of aspartic protease mediated disorders using the salts are described herein.
    Type: Application
    Filed: August 5, 2010
    Publication date: April 28, 2011
    Inventors: David A. Claremon, Robert D. Simpson, Lanqi Jia
  • INHIBITORS OF BETA-SECRETASE
    Publication number: 20110071126
    Abstract: The present invention is directed to a compound represented by the following structural formula or a pharmaceutically acceptable salt thereof. Pharmaceutical compositions and method of use of the compounds are also described.
    Type: Application
    Filed: March 12, 2010
    Publication date: March 24, 2011
    Inventors: Salvacion CACATIAN, David A. CLAREMON, Lawrence W. DILLARD, Klaus FUCHS, Niklas HEINE, Lanqi JIA, Katerina LEFTHERIS, Brian McKEEVER, Angel MORALES-RAMOS, Suresh B. SINGH, Shankar VENKATRAMAN, Guosheng WU, Zhongren WU, Zhenrong XU, Jing YUAN, Yajun ZHENG
  • RENIN INHIBITORS
    Publication number: 20100190829
    Abstract: Described are compounds that bind to aspartic proteases to inhibit their activity. They are useful in the treatment or amelioration of diseases associated with aspartic protease activity. Also described are methods of use of the compounds described herein in ameliorating or treating aspartic protease related disorders in a subject in need thereof.
    Type: Application
    Filed: June 20, 2008
    Publication date: July 29, 2010
    Inventors: John J. Baldwin, Salvacion Cacatian, David A. Claremon, Lawrence W. Dillard, Patrick T. Flaherty, Alexey V. Ishchenko, Lanqi Jia, Gerard McGeehan, Robert D. Simpson, Suresh B. Singh, Colin M. Tice, Zhenrong Xu, Jing Yuan, Wei Zhao
  • RENIN INHIBITORS
    Publication number: 20100184805
    Abstract: Disclosed are aspartic protease inhibitors represented by the following structural formula: and pharmaceutically acceptable salts thereof. These compounds are orally active and bind to aspartic proteases to inhibit their activity. They are useful in the treatment or amelioration of diseases associated with aspartic protease activity. The present invention is also directed to pharmaceutical compositions comprising a compound described herein or enantiomers, diastereomers, or salts thereof and a pharmaceutically acceptable carrier or excipient.
    Type: Application
    Filed: June 20, 2008
    Publication date: July 22, 2010
    Inventors: John J. Baldwin, Salvacion Cacatian, David A. Claremon, Lawrence W. Dillard, Patrick T. Flaherty, Alexey V. Ishchenko, Lanqi Jia, Gerard McGeehan, Robert D. Simpson, Suresh B. Singh, Colin M. Tice, Zhenrong Xu, Jing Yuan, Wei Zhao
  • Renin Inhibitors
    Publication number: 20100168243
    Abstract: The present invention is directed to aspartic protease inhibitors. The present invention is also directed to pharmaceutical compositions comprising the disclosed aspartic protease inhibitors. The present invention is further directed to methods of antagonizing one or more aspartic proteases in a subject in need thereof, and methods for treating an aspartic protease mediated disorder in a subject using the disclosed aspartic protease inhibitors.
    Type: Application
    Filed: June 20, 2008
    Publication date: July 1, 2010
    Inventors: John J. Baldwin, Salvacion Cacatian, David A. Claremon, Lawrence W. Dillard, Patrick T. Flaherty, Alexey V. Ishehenko, Lanqi Jia, Gerard McGeehan, Robert D. Simpson, Suresh B. Singh, Colin M. Tice, Zhenrong Xu, Jing Yuan, Wei Zhao, Linghang Zhuang, Jing Zhang
  • Renin Inhibitors
    Publication number: 20100144825
    Abstract: The present invention is directed to aspartic protease inhibitors. The present invention is also directed to pharmaceutical compositions comprising the disclosed aspartic protease inhibitors. The present invention is further directed to methods of antagonizing one or more aspartic proteases in a subject in need thereof, and methods for treating an aspartic protease mediated disorder in a subject using the disclosed aspartic protease inhibitors.
    Type: Application
    Filed: June 20, 2008
    Publication date: June 10, 2010
    Inventors: John J. Baldwin, Salvacion Cacatian, David A. Claremon, Lawrence W. Dillard, Patrick T. Fiaherty, Alexey V. Ishchenko, Lanqi Jia, Gerard McGeehan, Robert D. Simpson, Suresh B. Singh, Colin M. Tice, Zhenrong Xu, Jing Yuan, Wei Zhao, Linghang Zhuang
  • Renin Inhibitors
    Publication number: 20090312369
    Abstract: The present invention is directed to aspartic protease inhibitors represented by the following structural formula (I), or a pharmaceutically acceptable salt thereof. The present invention is also directed to pharmaceutical compositions comprising the aspartic protease inhibitors of Structural Formula (I). Methods of antagonizing one or more aspartic proteases in a subject in need thereof, and methods for treating an aspartic protease mediated disorder in a subject using these aspartic protease inhibitors are also disclosed.
    Type: Application
    Filed: September 18, 2007
    Publication date: December 17, 2009
    Inventors: John J. Baldwin, David A. Claremon, Colin M. Tice, Salvacion Cacatian, Lawrence W. Dillard, Alexey V. Ishchenko, Jing Yuan, Zhenrong Xu, Gerard McGeehan, Wei Zhao, Robert D. Simpson, Suresh B. Singh, Lanqi Jia, Patrick T. Flaherty
  • Novel Process for the Preparation of Nonracemic Long Chain alpha-Amino Acid Derivatives
    Publication number: 20090036708
    Abstract: The present invention provides a process for the preparation of a nonracemic a-amino acid derivative from an optically active N-acyl lactam using an organometallic reagent to effect the opening of the ring followed by reduction of the ketone carbonyl to an alcohol or a methylene, or by a reductive amination to an amine, or by a ketalization reaction.
    Type: Application
    Filed: October 14, 2004
    Publication date: February 5, 2009
    Inventors: Lanqi Jia, Rujian Ma, Feng Zhang, Yifeng Shi, Jingchao Dong, Ge Li