Patents by Inventor Xiangzhu Wang

Xiangzhu 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).

  • Publication number: 20140206604
    Abstract: The invention provides 4-amino-4-oxobutanoyl peptides and cyclic analogues thereof of Formula I and the pharmaceutically salts thereof. The variables are defined herein. Certain compounds of Formula I are useful as antiviral agents. 4-amino-4-oxobutanoyl peptide cyclic analogues as disclosed herein are potent and/or selective inhibitors of viral replication, particularly Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more 4-amino-4-oxobutanoyl peptide cyclic analogues and one or more pharmaceutically acceptable carriers. Such pharmaceutical compositions may contain a 4-amino-4-oxobutanoyl peptide cyclic analogue as the only active agent or may contain a combination of a 4-amino-4-oxobutanoyl peptide cyclic analogue and one or more other pharmaceutically active agents. The invention also provides methods for treating viral infections, including Hepatitis C infections, in patients.
    Type: Application
    Filed: March 24, 2014
    Publication date: July 24, 2014
    Applicant: ACHILLION PHARMACEUTICALS, INC.
    Inventors: Avinash Phadke, Xiangzhu Wang, Godwin Pais, Akihiro Hashimoto, Venkat Gadhachanda, Dawei Chen, Atul Agarwal, Suoming Zhang, Cuixian Liu, Shouming Li, Milind Deshpande
  • Patent number: 8785378
    Abstract: The invention provides 4-amino-4-oxobutanoyl peptide compounds of Formula I and the pharmaceutically salts and hydrates thereof. The variables R1-R9, R16, R18, R19, n, M, n, M, and Z are defined herein. Certain compounds of Formula I are useful as antiviral agents. Certain 4-amino-4-oxobutanoyl peptide compounds disclosed herein are potent and/or selective inhibitors of viral replication, particularly Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more 4-amino-4-oxobutanoyl peptide compounds and one or more pharmaceutically acceptable carriers. Such pharmaceutical compositions may contain 4-amino-4-oxobutanoyl peptide compound as the only active agent or may contain a combination of 4-amino-4-oxobutanoyl peptide containing peptides compound and one or more other pharmaceutically active agents. The invention also provides methods for treating viral infections, including Hepatitis C infections, in mammals.
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: July 22, 2014
    Assignee: Achillion Pharmaceuticals, Inc.
    Inventors: Avinash Phadke, Xiangzhu Wang, Suoming Zhang, Atul Agarwal
  • Publication number: 20140113890
    Abstract: The invention provides 4-amino-4-oxobutanoyl peptides of Formula I and the pharmaceutically salts and hydrates thereof. The variables R, R1, R6-R8, R16, R18, R19, M, n, T, Y, and Z are defined herein. Certain compounds of Formula I are useful as antiviral agents. The 4-amino-4-oxobutanoyl peptides disclosed herein are potent and/or selective inhibitors of viral replication, particularly Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more 4-amino-4-oxobutanoyl peptides and one or more pharmaceutically acceptable carriers. Such pharmaceutical compositions may contain a 4-amino-4-oxobutanoyl peptides as the only active agent or may contain a combination of a 4-amino-4-oxobutanoyl peptides and one or more other pharmaceutically active agents. The invention also provides methods for treating viral infections, including Hepatitis C infections.
    Type: Application
    Filed: December 23, 2013
    Publication date: April 24, 2014
    Applicant: ACHILLION PHARMACEUTICALS, INC.
    Inventors: Avinash Phadke, Dawei Chen, Venkat Gadhachanda, Akihiro Hashimoto, Godwin Pais, Xiangzhu Wang, Atul Agarwal, Ha Young Kim, Shuoming Li, Cuixian Liu, Suoming Zhang, Milind Deshpande
  • Patent number: 8697641
    Abstract: The invention provides 4-amino-4-oxobutanoyl peptides and cyclic analogues thereof of Formula I and the pharmaceutically salts thereof. The variables are defined herein. Certain compounds of Formula I are useful as antiviral agents. 4-amino-4-oxobutanoyl peptide cyclic analogues as disclosed herein are potent and/or selective inhibitors of viral replication, particularly Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more 4-amino-4-oxobutanoyl peptide cyclic analogues and one or more pharmaceutically acceptable carriers. Such pharmaceutical compositions may contain a 4-amino-4-oxobutanoyl peptide cyclic analogue as the only active agent or may contain a combination of a 4-amino-4-oxobutanoyl peptide cyclic analogue and one or more other pharmaceutically active agents. The invention also provides methods for treating viral infections, including Hepatitis C infections, in patients.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: April 15, 2014
    Assignee: Achillion Pharmaceuticals, Inc.
    Inventors: Avinash Phadke, Xiangzhu Wang, Godwin Pais, Akihiro Hashimoto, Venkat Gadhachanda, Dawei Chen, Atul Agarwal, Suoming Zhang, Cuixian Liu, Shouming Li, Milind Deshpande
  • Patent number: 8614180
    Abstract: The invention provides 4-amino-4-oxobutanoyl peptides of Formula I and the pharmaceutically salts and hydrates thereof. The variables R, R1, R6-R8, R16, R18, R19, M, n, T, Y, and Z are defined herein. Certain compounds of Formula I are useful as antiviral agents. The 4-amino-4-oxobutanoyl peptides disclosed herein are potent and/or selective inhibitors of viral replication, particularly Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more 4-amino-4-oxobutanoyl peptides and one or more pharmaceutically acceptable carriers. Such pharmaceutical compositions may contain a 4-amino-4-oxobutanoyl peptides as the only active agent or may contain a combination of a 4-amino-4-oxobutanoyl peptides and one or more other pharmaceutically active agents. The invention also provides methods for treating viral infections, including Hepatitis C infections.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: December 24, 2013
    Assignee: Achillion Pharmaceuticals, Inc.
    Inventors: Avinash Phadke, Dawei Chen, Venkat Gadhachanda, Akihiro Hashimoto, Godwin Pais, Xiangzhu Wang, Atul Agarwal, Ha Young Kim, Shouming Li, Cuixian Liu, Suoming Zhang, Milind Deshpande
  • Patent number: 8435984
    Abstract: The present invention provides tertiary amine substituted peptides of Formula (I) useful as inhibitors of HCV replication. The variables R and R1-R12 in Formula I are described herein. The invention also includes methods for preparing such compounds. The present invention further includes pharmaceutical compositions containing tertiary amine substituted peptides and methods for using such compounds, including methods for using the compounds to treat hepatitis C infection.
    Type: Grant
    Filed: February 26, 2008
    Date of Patent: May 7, 2013
    Assignee: Achillion Pharmaceuticals, Inc.
    Inventors: Atul Agarwal, Xiangzhu Wang, Dawei Chen, Suoming Zhang, Avinash Phadke
  • Publication number: 20120302538
    Abstract: The present disclosure provides substituted aliphanes, cyclophanes, heteraphanes, heterophanes, hetero-heteraphanes and metallocenes, of Formula I D-M-D??(Formula I) useful as antiviral agents. In certain embodiments disclosed herein M is a group —P-A-P— where A is Certain substituted aliphanes, cyclophanes, heteraphanes, heterophanes, hetero-heteraphanes and metallocenes disclosed herein are potent and/or selective inhibitors of viral replication, particularly Hepatitis C virus replication. Pharmaceutical compositions/ and combinations containing one or more substituted aliphanes, cyclophanes, heteraphanes, heterophanes, hetero-heteraphanes and metallocenes and a pharmaceutically acceptable carrier are also provided by this disclosure. Methods for treating viral infections, including Hepatitis C viral infections are provided by the disclosure.
    Type: Application
    Filed: May 29, 2012
    Publication date: November 29, 2012
    Applicant: ACHILLION PHARMACEUTICALS, INC
    Inventors: Jason Allan Wiles, Qiuping Wang, Akihiro Hashimoto, Godwin Pais, Xiangzhu Wang, Venkat Gadhachanda, Avinash Phadke, Milind Deshpande, Dawei Chen
  • Patent number: 8183263
    Abstract: The invention provides heteroaryl substituted thiazolo compounds of Formula I and II and pharmaceutically acceptable salts thereof. The variables A and R3 to R7 are defined herein. The invention also includes methods for preparing compounds and salts of Formula I and II. The present invention also includes pharmaceutical compositions containing heteroaryl substituted thiazolo compounds and methods for using heteroaryl substituted thiazolo compounds, including methods for using the compounds in the treatment of hepatitis C virus.
    Type: Grant
    Filed: May 22, 2008
    Date of Patent: May 22, 2012
    Assignee: Achillion Pharmaceuticals, Inc.
    Inventors: Xiangzhu Wang, Suoming Zhang, Venkat Gadhachanda, Cuixian Liu, Jesse Quinn, Shouming Lee, Dawei Chen, Milind Deshpande, Avinash Phadke
  • Publication number: 20120108576
    Abstract: The present invention provides compounds, salts and hydrates of Formula I, wherein the variables Ar1, R2, R3, R4, r, q, and t are defined herein. Certain compounds of Formula I described herein possess potent antiviral activity. The invention also provides compounds of Formula I that are potent and/or selective inhibitors of Hepatitis C virus replication. Certain compounds described herein inhibit assembly of the HCV replication complex. The invention also provides pharmaceutical compositions containing one or more compounds of Formula I, or a salt, solvate, or acylated prodrug of such compounds, and one or more pharmaceutically acceptable carriers, excipients, or diluents. The invention further comprises methods of treating patients suffering from certain infectious diseases by administering to such patients an amount of a compound of Formula I effective to reduce signs or symptoms of the disease. These infectious diseases include viral infections, particularly HCV infections.
    Type: Application
    Filed: November 30, 2011
    Publication date: May 3, 2012
    Applicant: ACHILLION PHARMACEUTICALS, INC.
    Inventors: Suoming Zhang, Avinash Phadke, Cuixian Liu, Xiangzhu Wang, Jesse Quinn, Dawei Chen, Venkat Gadhachanda, Shouming Li, Milind Deshpande
  • Patent number: 8106209
    Abstract: The invention provides amino-substituted aminothiazole compounds of Formula I and Formula II where A is a group of the formula: and the variables X, Y, R, and R1 to R7 are described herein. These compounds are prodrugs of compounds useful as inhibitors of viral replication. Compositions containing such compounds, and methods of treating viral infections with these compounds, as well as to processes and intermediates useful for preparing such compounds are also provided by the invention.
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: January 31, 2012
    Assignee: Achillion Pharmaceuticals, Inc.
    Inventors: Cuixan Liu, Avinash Phadke, Xiangzhu Wang, Suoming Zhang
  • Patent number: 8088806
    Abstract: The present invention provides compounds, salts and hydrates of Formula I, wherein the variables Ar1, R2, R3, R4, r, q, and t are defined herein. Certain compounds of Formula I described herein possess potent antiviral activity. The invention also provides compounds of Formula I that are potent and/or selective inhibitors of Hepatitis C virus replication. Certain compounds described herein inhibit assembly of the HCV replication complex. The invention also provides pharmaceutical compositions containing one or more compounds of Formula I, or a salt, solvate, or acylated prodrug of such compounds, and one or more pharmaceutically acceptable carriers, excipients, or diluents. The invention further comprises methods of treating patients suffering from certain infectious diseases by administering to such patients an amount of a compound of Formula I effective to reduce signs or symptoms of the disease. These infectious diseases include viral infections, particularly HCV infections.
    Type: Grant
    Filed: May 9, 2006
    Date of Patent: January 3, 2012
    Assignee: Achillion Pharmaceuticals, Inc.
    Inventors: Suoming Zhang, Avinash Phadke, Cuixian Liu, Xiangzhu Wang, Jesse Quinn, Dawei Chen, Venkat Gadhachanda, Shouming Li, Milind Deshpande
  • Publication number: 20110070168
    Abstract: The invention provides 4-amino-4-oxobutanoyl peptide compounds of Formula I and the pharmaceutically salts and hydrates thereof. The variables R1-R9, R16, R18, R19, n, M, n, M, and Z are defined herein. Certain compounds of Formula I are useful as antiviral agents. Certain 4-amino-4-oxobutanoyl peptide compounds disclosed herein are potent and/or selective inhibitors of viral replication, particularly Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more 4-amino-4-oxobutanoyl peptide compounds and one or more pharmaceutically acceptable carriers. Such pharmaceutical compositions may contain 4-amino-4-oxobutanoyl peptide compound as the only active agent or may contain a combination of 4-amino-4-oxobutanoyl peptide containing peptides compound and one or more other pharmaceutically active agents. The invention also provides methods for treating viral infections, including Hepatitis C infections, in mammals.
    Type: Application
    Filed: November 29, 2010
    Publication date: March 24, 2011
    Applicant: ACHILLION PHARMACEUTICALS, INC.
    Inventors: Avinash Phadke, Xiangzhu Wang, Suoming Zhang, Atul Agarwal
  • Patent number: 7906619
    Abstract: The invention provides 4-amino-4-oxobutanoyl peptide compounds of Formula I and the pharmaceutically salts and hydrates thereof. The variables R1-R9, R16, R18, R19, n, M, n, M, and Z are defined herein. Certain compounds of Formula I are useful as antiviral agents. Certain 4-amino-4-oxobutanoyl peptide compounds disclosed herein are potent and/or selective inhibitors of viral replication, particularly Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more 4-amino-4-oxobutanoyl peptide compounds and one or more pharmaceutically acceptable carriers. Such pharmaceutical compositions may contain 4-amino-4-oxobutanoyl peptide compound as the only active agent or may contain a combination of 4-amino-4-oxobutanoyl peptide containing peptides compound and one or more other pharmaceutically active agents. The invention also provides methods for treating viral infections, including Hepatitis C infections, in mammals.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: March 15, 2011
    Assignee: Achillion Pharmaceuticals, Inc.
    Inventors: Avinash Phadke, Xiangzhu Wang, Suoming Zhang, Atul Agarwal
  • Publication number: 20100292219
    Abstract: The present invention provides tertiary amine substituted peptides of Formula (I) useful as inhibitors of HCV replication. The variables R and R1-R12 in Formula I are described herein. The invention also includes methods for preparing such compounds. The present invention further includes pharmaceutical compositions containing tertiary amine substituted peptides and methods for using such compounds, including methods for using the compounds to treat hepatitis C infection.
    Type: Application
    Filed: February 26, 2008
    Publication date: November 18, 2010
    Applicant: ACHILLION PHARMACEUTICALS, INC.
    Inventors: Atul Agarwal, Xiangzhu Wang, Dawei Chen, Suoming Zhang, Avinash Phadke
  • Publication number: 20100216725
    Abstract: The invention provides 4-amino-4-oxobutanoyl peptides of Formula I and the pharmaceutically salts and hydrates thereof. The variables R, R1, R6-R8, R16, R18, R19, M, n, T, Y, and Z are defined herein. Certain compounds of Formula I are useful as antiviral agents. The 4-amino-4-oxobutanoyl peptides disclosed herein are potent and/or selective inhibitors of viral replication, particularly Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more 4-amino-4-oxobutanoyl peptides and one or more pharmaceutically acceptable carriers. Such pharmaceutical compositions may contain a 4-amino-4-oxobutanoyl peptides as the only active agent or may contain a combination of a 4-amino-4-oxobutanoyl peptides and one or more other pharmaceutically active agents. The invention also provides methods for treating viral infections, including Hepatitis C infections.
    Type: Application
    Filed: December 10, 2009
    Publication date: August 26, 2010
    Applicant: ACHILLION PHARMACEUTICALS, INC.
    Inventors: Avinash Phadke, Dawei Chen, Venkat Gadhachanda, Akihiro Hashimoto, Godwin Pais, Xiangzhu Wang, Atul Agarwal, Ha Young Kim, Shuoming Li, Cuixian Liu, Suoming Zhang, Milind Deshpande
  • Patent number: 7767706
    Abstract: The invention provides compounds and pharmaceutically acceptable salts of Formula I wherein the variables A1, A2, R1, R2, V, W, X, Y, and Z are defined herein. Certain compounds of Formula I described herein which possess potent antiviral activity. The invention particularly provides compounds of Formula I that are potent and/or selective inhibitors of Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more compound of Formula I, or a salt, solvate, or acylated prodrug of such compounds, and one or more pharmaceutically acceptable carriers, excipients, or diluents. The invention further comprises methods of treating patients suffering from certain infectious diseases by administering to such patients an amount of a compound of Formula I effective to reduce signs or symptoms of the disease or disorder. These infectious diseases include viral infections, particularly HCV infections.
    Type: Grant
    Filed: February 25, 2008
    Date of Patent: August 3, 2010
    Assignee: Achillion Pharmaceuticals, Inc.
    Inventors: Avinash Phadke, Dawei Chen, Milind Deshpande, Andrew Thurkauf, Xiangzhu Wang, Yiping Shen, Cuixian Liu, Jesse Quinn, Junko Ohkanda, Shouming Li
  • Publication number: 20100152103
    Abstract: The invention provides 4-amino-4-oxobutanoyl peptides and cyclic analogues thereof of Formula I and the pharmaceutically salts thereof. The variables are defined herein. Certain compounds of Formula I are useful as antiviral agents. 4-amino-4-oxobutanoyl peptide cyclic analogues as disclosed herein are potent and/or selective inhibitors of viral replication, particularly Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more 4-amino-4-oxobutanoyl peptide cyclic analogues and one or more pharmaceutically acceptable carriers. Such pharmaceutical compositions may contain a 4-amino-4-oxobutanoyl peptide cyclic analogue as the only active agent or may contain a combination of a 4-amino-4-oxobutanoyl peptide cyclic analogue and one or more other pharmaceutically active agents. The invention also provides methods for treating viral infections, including Hepatitis C infections, in patients.
    Type: Application
    Filed: December 10, 2009
    Publication date: June 17, 2010
    Applicant: ACHILLION PHARMACEUTICALS, INC.
    Inventors: Avinash Phadke, Xiangzhu Wang, Godwin Pais, Akihiro Hashimoto, Venkat Gadhachanda, Dawei Chen, Atul Agarwal, Suoming Zhang, Cuixian Liu, Shouming Li, Milind Deshpande
  • Patent number: 7718671
    Abstract: Substituted arylthiourea compounds of Formula I, and the pharmaceutically acceptable salts of such compounds, useful as antiviral agents, are provided herein. Certain substituted arylthioureas disclosed herein are potent and/or selective inhibitors of viral replication, particularly Hepatitis C virus replication. Pharmaceutical compositions containing one or more substituted arylthiourea compounds and one or more pharmaceutically acceptable carriers, excipients, or diluents are provided herein. Such pharmaceutical compositions may contain a substituted arylthiourea as the only active agent or may contain a combination of a substituted arylthiourea derivative and one or more other pharmaceutically active agents. Methods of treating Hepatitis C viral infections in mammals are also provided herein.
    Type: Grant
    Filed: July 8, 2004
    Date of Patent: May 18, 2010
    Assignee: Achillion Pharmaceuticals, Inc.
    Inventors: Avinash Phadke, Jesse Quinn, Junko Ohkanda, Andrew Thurkauf, Yiping Shen, Cuixian Liu, Dawei Chen, Shouming Li, Xiangzhu Wang
  • Publication number: 20090304605
    Abstract: The invention provides amino-substituted aminothiazole compounds of Formula I and Formula II where A is a group of the formula: and the variables X, Y, R, and R1 to R7 are described herein. These compounds are prodrugs of compounds useful as inhibitors of viral replication. Compositions containing such compounds, and methods of treating viral infections with these compounds, as well as to processes and intermediates useful for preparing such compounds are also provided by the invention.
    Type: Application
    Filed: June 5, 2009
    Publication date: December 10, 2009
    Applicant: ACHILLION PHARMACEUTICALS, INC.
    Inventors: Cuixan Liu, Avinash Phadke, Xiangzhu Wang, Suoming Zhang
  • Publication number: 20090048297
    Abstract: The invention provides 4-amino-4-oxobutanoyl peptide compounds of Formula I and the pharmaceutically salts and hydrates thereof. The variables R1-R9, R16, R18, R19, n, M, n, M, and Z are defined herein. Certain compounds of Formula I are useful as antiviral agents. Certain 4-amino-4-oxobutanoyl peptide compounds disclosed herein are potent and/or selective inhibitors of viral replication, particularly Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more 4-amino-4-oxobutanoyl peptide compounds and one or more pharmaceutically acceptable carriers. Such pharmaceutical compositions may contain 4-amino-4-oxobutanoyl peptide compound as the only active agent or may contain a combination of 4-amino-4-oxobutanoyl peptide containing peptides compound and one or more other pharmaceutically active agents. The invention also provides methods for treating viral infections, including Hepatitis C infections, in mammals.
    Type: Application
    Filed: July 13, 2007
    Publication date: February 19, 2009
    Applicant: ACHILLION PHARMACEUTICALS
    Inventors: Avinash Phadke, Xiangzhu Wang, Suoming Zhang, Atul Agarwal