Patents by Inventor Zhongping Shi

Zhongping Shi 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).

  • Publication number: 20230250053
    Abstract: The present application provides processes for synthesizing targeting molecules of Formula (I) comprising a retinoid moiety useful in the synthesis of fat-soluble compounds for targeting and enhancing activity of therapeutic molecules, including siRNA.
    Type: Application
    Filed: June 22, 2021
    Publication date: August 10, 2023
    Inventors: Zhongping Shi, Yichen Tan, Federico Lora Gonzalez, Ronald Carrasquillo-Flores, Michael J. Smith
  • Publication number: 20220064186
    Abstract: The present invention relates to co-crystals of the compound of formula (I), wherein the co-former molecule is succinic acid or citric acid, processes for the preparation of the co-crystal, pharmaceutical compositions thereof, and methods of using the co-crystals for treating or preventing thromboembolic disorders.
    Type: Application
    Filed: December 20, 2019
    Publication date: March 3, 2022
    Inventors: Roxana F. Schlam, Nicolas Cuniere, Victoria A. Mbachu, Zhongping Shi, Petinka I. Vlahova
  • Patent number: 9249171
    Abstract: A process for making the compound of Formula I utilizes the starting compound, together with sulfilimine and sulfoxide process steps later on.
    Type: Grant
    Filed: May 22, 2013
    Date of Patent: February 2, 2016
    Assignee: Bristol-Myers Squibb Company
    Inventors: Adrian Ortiz, Tamas Benkovics, Zhongping Shi, Prashant P. Deshpande, Zhiwei Guo, David R. Kronenthal, Chris Sfouggatakis
  • Publication number: 20150140610
    Abstract: A process for making the compound of Formula I utilizes the starting compound, together with sulfilimine and sulfoxide process steps later on.
    Type: Application
    Filed: May 22, 2013
    Publication date: May 21, 2015
    Inventors: Adrian Ortiz, Tamas Benkovics, Zhongping Shi, Prashant P. Deshpande, Zhiwei Guo, David R. Kronenthal, Chris Sfouggatakis
  • Publication number: 20120108594
    Abstract: Processes are provided for selectively preparing novel stable crystalline salt forms, selectively and consistently, namely, preparing Form N-1 of the methanesulfonic acid salt, and Form N-1 and Form N-4 of the hydrochloric acid salt of the p38 kinase inhibitor 4-[[5-[(cyclopropylamino)carbonyl]-2-methylphenyl]amino]-5-methyl-N-propylpyrrolo[2,1-f][1,2,4]triazine-6-carboxamide. The processes preferably employ solvent systems including formic acid/acetone and formic acid/methylethyl ketone which produce crystals having suitable flow properties and desired particle size, and solvents such as N,N-dimethylformamide and N,N-dimethylacetamide may be employed as well. Novel Form N-1 crystals of the Form N-1 and Form N-4 crystals of the hydrochloride salt and Form N-1 crystals of the methanesulfonic acid salt of the above free base, pharmaceutical compositions containing such novel forms and a method of treating p38 kinase associated conditions, including rheumatoid arthritis are also provided.
    Type: Application
    Filed: November 10, 2011
    Publication date: May 3, 2012
    Inventors: Soojin Kim, Mary F. Malley, Zhongping Shi
  • Publication number: 20090312331
    Abstract: Processes are provided for selectively preparing novel stable crystalline salt forms, selectively and consistently, namely, preparing Form N-1 of the methanesulfonic acid salt, and Form N-1 and Form N-4 of the hydrochloric acid salt of the p38 kinase inhibitor 4-[[5-[(cyclopropylamino)carbonyl]-2-methylphenyl]amino]-5-methyl-N-propylpyrrolo[2,1-f][1,2,4]triazine-6-carboxamide. The processes preferably employ solvent systems including formic acid/acetone and formic acid/methylethyl ketone which produce crystals having suitable flow properties and desired particle size, and solvents such as N,N-dimethylformamide and N,N-dimethylacetamide may be employed as well. Novel Form N-1 crystals of the Form N-1 and Form N-4 crystals of the hydrochloride salt and Form N-1 crystals of the methanesulfonic acid salt of the above free base, pharmaceutical compositions containing such novel forms and a method of treating p38 kinase associated conditions, including rheumatoid arthritis are also provided.
    Type: Application
    Filed: June 4, 2009
    Publication date: December 17, 2009
    Inventors: Soojin Kim, Mary F. Malley, Zhongping Shi
  • Patent number: 7534881
    Abstract: A method for aminating pyrrole derivatives and for preparing pyrrolotriazine compounds having the formula V,
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: May 19, 2009
    Assignee: Bristol-Myers Squibb Company
    Inventors: Zhongping Shi, John Hynes, Luca Parlanti, Stephen T. Wrobleski
  • Patent number: 7211666
    Abstract: Methods of preparing kinase inhibiting pharmaceutical compounds having the formula (I): or a pharmaceutically acceptable salt or solvate thereof, wherein R1 through R6 and Z are as described in the specification. The methods according to the invention utilize an amination process, in which a pyrrole is reacted with a haloamine, preferably chloramine. This step is followed by cyclization to form the pyrrolotriazine core.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: May 1, 2007
    Assignee: Bristol-Myers Squibb Company
    Inventors: Jollie Duaine Godfrey, Jr., John Hynes, Jr., Alaric J. Dyckman, Katerina Leftheris, Zhongping Shi, Stephen T. Wrobleski, Wendel William Doubleday, John A. Grosso
  • Publication number: 20060235020
    Abstract: Processes are provided for selectively preparing novel stable crystalline salt forms, selectively and consistently, namely, preparing Form N-1 of the methanesulfonic acid salt, and Form N-1 and Form N-4 of the hydrochloric acid salt of the p38 kinase inhibitor 4-[[5-[(cyclopropylamino)carbonyl]-2-methylphenyl]amino]-5-methyl-N-propylpyrrolo[2,1-f][1,2,4]triazine-6-carboxamide. The processes preferably employ solvent systems including formic acid/acetone and formic acid/methylethyl ketone which produce crystals having suitable flow properties and desired particle size, and solvents such as N,N-dimethylformamide and N,N-dimethylacetamide may be employed as well. Novel Form N-1 crystals of the Form N-1 and Form N-4 crystals of the hydrochloride salt and Form N-1 crystals of the methanesulfonic acid salt of the above free base, pharmaceutical compositions containing such novel forms and a method of treating p38 kinase associated conditions, including rheumatoid arthritis are also provided.
    Type: Application
    Filed: April 4, 2006
    Publication date: October 19, 2006
    Inventors: Soojin Kim, Mary Malley, Zhongping Shi
  • Patent number: 7074921
    Abstract: Methods for the synthesis of benzodiazepine compounds having farnesyl protein transferase inhibitory activity.
    Type: Grant
    Filed: November 12, 2002
    Date of Patent: July 11, 2006
    Assignee: Bristol Myers Squibb Company
    Inventors: David R. Kronenthal, Rao S. Bhandaru, Zhongping Shi, Boguslaw M. Mudryk
  • Patent number: 7034152
    Abstract: Processes are disclosed for preparing the antiviral agent entecavir. A resin adsorption process for the isolation and purification of entecavir is also disclosed. Various intermediates useful in the preparation of entecavir are also disclosed.
    Type: Grant
    Filed: December 11, 2003
    Date of Patent: April 25, 2006
    Assignee: Bristol-Myers Squibb Company
    Inventors: Yadagiri R. Pendri, Chung-Pin H. Chen, Sunil S. Patel, Jeffrey M. Evans, Jing Liang, David R. Kronenthal, Gerald L. Powers, Siva Josyula Prasad, Jeffrey T. Bien, Zhongping Shi, Ramesh N. Patel, Amit Banerjee, Yeung Yu Chan, Sushil K. Rijhwani, Ambarish K. Singh, Shaopeng Wang, Milan Stojanovic, David J. Kucera, Richard P. Polniaszek, Charles Lewis, John Thottathil, Dhileepkumar Krishnamurty, Maotang X. Zhou, Purushotham Vemishetti
  • Publication number: 20060003967
    Abstract: A method for aminating pyrrole derivatives and for preparing pyrrolotriazine compounds having the formula V,
    Type: Application
    Filed: June 28, 2005
    Publication date: January 5, 2006
    Inventors: Zhongping Shi, John Hynes, Luca Parlanti, Stephen Wrobleski
  • Publication number: 20050107462
    Abstract: Methods of preparing kinase inhibiting pharmaceutical compounds having the formula (I): or a pharmaceutically acceptable salt or solvate thereof, wherein R1 through R6 and Z are as described in the specification. The methods according to the invention utilize an amination process, in which a pyrrole is reacted with a haloamine, preferably chloramine. This step is followed by cyclization to form the pyrrolotriazine core.
    Type: Application
    Filed: December 22, 2004
    Publication date: May 19, 2005
    Inventors: Jollie Godfrey, John Hynes, Alaric Dyckman, Katerina Leftheris, Zhongping Shi, Stephen Wrobleski, Wendel William Doubleday, John Grosso
  • Patent number: 6867300
    Abstract: Methods of preparing kinase inhibiting pharmaceutical compounds having the formula (I): or a pharmaceutically acceptable salt or solvate thereof, wherein R1 through R6 and Z are as described in the specification. The methods according to the invention utilize an amination process, in which a pyrrole is reacted with a haloamine, preferably chloramine. This step is followed by cyclization to form the pyrrolotriazine core.
    Type: Grant
    Filed: November 6, 2002
    Date of Patent: March 15, 2005
    Assignee: Bristol-Myers Squibb Company
    Inventors: Jollie Duaine Godfrey, Jr., John Hynes, Jr., Alaric J. Dyckman, Katerina Leftheris, Zhongping Shi, Stephen T. Wrobleski, Wendel William Doubleday, John A. Grosso
  • Publication number: 20040192912
    Abstract: Processes are disclosed for preparing the antiviral agent entecavir. A resin adsorption process for the isolation and purification of entecavir is also disclosed. Various intermediates useful in the preparation of entecavir are also disclosed.
    Type: Application
    Filed: December 11, 2003
    Publication date: September 30, 2004
    Inventors: Yadagiri R. Pendri, Chung-Pin H. Chen, Sunil S. Patel, Jeffrey M. Evans, Jing Liang, David R. Kronenthal, Gerald L. Powers, Siva Josyula Prasad, Jeffrey T. Bien, Zhongping Shi, Ramesh N. Patel, Amit Banerjee, Yeung Yu Chan, Sushil K. Rijhwani, Ambarish K. Singh, Shaopeng Wang, Milan Stojanovic, David J. Kucera, Richard P. Polniaszek, Charles Lewis, John Thottathil, Dhileepkumar Krishnamurty, Maotang X. Zhou, Purushotham Vemishetti
  • Publication number: 20030186982
    Abstract: Methods of preparing kinase inhibiting pharmaceutical compounds having the formula (I): 1
    Type: Application
    Filed: November 6, 2002
    Publication date: October 2, 2003
    Inventors: Jollie Duaine Godfrey, John Hynes, Alaric J. Dyckman, Katerina Leftheris, Zhongping Shi, Stephen T. Wrobleski, Wendel William Doubleday, John A. Grosso
  • Publication number: 20030162965
    Abstract: Methods for the synthesis of benzodiazepine compounds having farnesyl protein transferase inhibitory activity.
    Type: Application
    Filed: November 12, 2002
    Publication date: August 28, 2003
    Inventors: David R. Kronenthal, Rao S. Bhandaru, Zhongping Shi, Boguslaw M. Mudryk
  • Patent number: 6335324
    Abstract: Compounds of the formulas: are disclosed. These compounds inhibit tryptase as well as other enzyme systems or are selective tryptase inhibitors and are useful as antiinflammatory agents particularly in the treatment of chronic asthma.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: January 1, 2002
    Assignee: Bristol-Myers Squibb Co.
    Inventors: Gregory S. Bisacchi, William A. Slusarchyk, Uwe Treuner, James C. Sutton, Robert Zahler, Steven Seiler, David R. Kronenthal, Michael E. Randazzo, Mark D. Schwinden, Zhongmin Xu, Zhongping Shi