Patents by Inventor Sidney Xi Liang

Sidney Xi Liang 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: 20220274992
    Abstract: The disclosure provides compounds and pharmaceutically acceptable salts thereof of Formula (I) The variables, R, R!-R3 and the A-ring are described herein. A can be a cyclohexyl ring. The compounds are inhibitors of JAK1 Kinase and are useful in methods of treating an allergic, inflammatory, or autoimmune orders, in a patient, comprising administering a therapeutically effective amount of compound of Formula I or salt thereof, to the patient. The disclosure also provides pharmaceutical formulations containing a compound of Formula I.
    Type: Application
    Filed: August 25, 2020
    Publication date: September 1, 2022
    Inventors: Xiping SU, Sidney Xi LIANG, Peter J. WERTH
  • Patent number: 10703756
    Abstract: The present invention provides pharmaceutically active pyrrolo[2,3-d]pyrimidinyl, pyrrolo[2,3-b]pyrazinyl, and pyrrolo[2,3-b]pyridinyl acrylamides, epoxides, and analogues thereof. Such compounds are useful for inhibiting Janus Kinase (JAK). This invention also is directed to compositions comprising methods for making such compounds, and methods for treating and preventing conditions mediated by JAK.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: July 7, 2020
    Assignee: Pfizer Inc.
    Inventors: Atli Thorarensen, Matthew Frank Brown, Agustin Casimiro-Garcia, Ye Che, Mark Edward Flanagan, Adam Matthew Gilbert, Matthew Merrill Hayward, Jean-Baptiste Telliez, Rayomand Jal Unwalla, John I. Trujillo, Sidney Xi Liang
  • Publication number: 20190002466
    Abstract: The present invention provides pharmaceutically active pyrrolo[2,3-d]pyrimidinyl, pyrrolo[2,3-b]pyrazinyl, and pyrrolo[2,3-b]pyridinyl acrylamides, epoxides, and analogues thereof. Such compounds are useful for inhibiting Janus Kinase (JAK). This invention also is directed to compositions comprising methods for making such compounds, and methods for treating and preventing conditions mediated by JAK.
    Type: Application
    Filed: April 19, 2016
    Publication date: January 3, 2019
    Applicant: Pfizer Inc.
    Inventors: Atli THORARENSEN, Matthew Frank BROWN, Agustin CASIMIRO-GARCIA, Ye CHE, Mark Edward FLANAGAN, Adam Matthew GILBERT, Matthew Merrill HAYWARD, Jean-Baptiste TELLIEZ, Rayomand Jal UNWALLA, John I. TRUJILLO, Sidney Xi LIANG
  • Publication number: 20170044136
    Abstract: The present invention relates to compounds of formula I: or pharmaceutically acceptable acid addition salts thereof, where; R1 is C1-C6 alkyl, substituted C1-C6 alkyl, C3-C7 cycloalkyl, substituted C3-C7 cycloalkyl, C3-C7 cycloalkyl-C1-C3 alkyl, substituted C3-C7 cycloalkyl-C1-C3 alkyl, phenyl, substituted phenyl, heterocycle, or substituted heterocycle; R2 is hydrogen, C1-C3 alkyl, C3-C6 cycloalkyl-C1-C3 alkyl, or a group of formula II R3 is hydrogen or C1-C3 alkyl; R4 is hydrogen, halo, or C1-C3 alkyl; R5 is hydrogen or C1-C3 alkyl; R6 is hydrogen or C1-C6 alkyl; and n is an integer from 1 to 6 inclusively. The compounds of the present invention are useful for activating 5-HT1F receptors, inhibiting neuronal protein extravasation, and for the treatment or prevention of migraine in a mammal. The present invention also relates to a process for the synthesis of intermediates in the synthesis of compounds of Formula I.
    Type: Application
    Filed: April 6, 2016
    Publication date: February 16, 2017
    Inventors: Michael Philip Cohen, Daniel Timothy Kohlman, Sidney Xi Liang, Frantz Victor, Yao-Chang Xu, Bai-Ping Ying, DeAnna Piatt Zacherl, Deyi Zhang
  • Publication number: 20150376178
    Abstract: The present invention relates to compounds of formula I: or pharmaceutically acceptable acid addition salts thereof, where; R1 is C1-C6 alkyl, substituted C1-C6 alkyl, C3-C7 cycloalkyl, substituted C3-C7 cycloalkyl, C3-C7 cycloalkyl-C1-C3 alkyl, substituted C3-C7 cycloalkyl-C1-C3 alkyl, phenyl, substituted phenyl, heterocycle, or substituted heterocycle; R2 is hydrogen, C1-C3 alkyl, C3-C6 cycloalkyl-C1-C3 alkyl, or a group of formula II R3 is hydrogen or C1-C3 alkyl; R4 is hydrogen, halo, or C1-C3 alkyl; R5 is hydrogen or C1-C3 alkyl; R6 is hydrogen or C1-C6 alkyl; and n is an integer from 1 to 6 inclusively. The compounds of the present invention are useful for activating 5-HT1F receptors, inhibiting neuronal protein extravasation, and for the treatment or prevention of migraine in a mammal. The present invention also relates to a process for the synthesis of intermediates in the synthesis of compounds of Formula I.
    Type: Application
    Filed: June 5, 2014
    Publication date: December 31, 2015
    Inventors: Michael Philip Cohen, Daniel Timothy Kohlman, Sidney Xi Liang, Frantz Victor, Yao-Chang Xu, Bai-Ping Ying, DeAnna Piatt Zacherl, Deyi Zhang
  • Patent number: 8748459
    Abstract: The present invention relates to compounds of formula I: or pharmaceutically acceptable acid addition salts thereof, where; R1 is C1-C6 alkyl, substituted C1-C6 alkyl, C3-C7 cycloalkyl, substituted C3-C7 cycloalkyl, C3-C7 cycloalkyl-C1-C3 alkyl, substituted C3-C7 cycloalkyl-C1-C3 alkyl, phenyl, substituted phenyl, heterocycle, or substituted heterocycle; R2 is hydrogen, C1-C3 alkyl, C3-C6 cycloalkyl-C1-C3 alkyl, or a group of formula II R3 is hydrogen or C1-C3 alkyl; R4 is hydrogen, halo, or C1-C3 alkyl; R5 is hydrogen or C1-C3 alkyl; R6 is hydrogen or C1-C6 alkyl; and n is an integer from 1 to 6 inclusively. The compounds of the present invention are useful for activating 5-HTlF receptors, inhibiting neuronal protein extravasation, and for the treatment or prevention of migraine in a mammal. The present invention also relates to a process for the synthesis of intermediates in the synthesis of compounds of Formula I.
    Type: Grant
    Filed: February 1, 2012
    Date of Patent: June 10, 2014
    Assignee: Eli Lilly and Company
    Inventors: Michael Philip Cohen, Daniel Timothy Kohlman, Sidney Xi Liang, Frantz Victor, Yao-Chang Xu, Bai-Ping Ying, DeAnna Piatt Zacherl, Deyi Zhang
  • Publication number: 20090209563
    Abstract: The present invention relates to compounds of formula I: or pharmaceutically acceptable acid addition salts thereof, where; R1 is C1-C6 alkyl, substituted C1-C6 alkyl, C3-C7 cycloalkyl, substituted C3-C7 cycloalkyl, C3-C7 cycloalkyl-C1-C3 alkyl, substituted C3-C7 cycloalkyl-C1-C3 alkyl, phenyl, substituted phenyl, heterocycle, or substituted heterocycle; R2 is hydrogen, C1-C3 alkyl, C3-C6 cycloalkyl-C1-C3 alkyl, or a group of formula II R3 is hydrogen or C1-C3 alkyl; R4 is hydrogen, halo, or C1-C3 alkyl; R5 is hydrogen or C1-C3 alkyl; R6 is hydrogen or C1-C6 alkyl; and n is an integer from 1 to 6 inclusively. The compounds of the present invention are useful for activating 5-HT1F receptors, inhibiting neuronal protein extravasation, and for the treatment or prevention of migraine in a mammal. The present invention also relates to a process for the synthesis of intermediates in the synthesis of compounds of Formula I.
    Type: Application
    Filed: August 7, 2008
    Publication date: August 20, 2009
    Inventors: Michael Philip Cohen, Daniel Timothy Kohlman, Sidney Xi Liang, Vincent Mancuso, Yao-Chang Xu
  • Publication number: 20080300407
    Abstract: The invention relates to compounds of formula I: or pharmaceutically acceptable acid addition salts thereof, where; R1 is C1-C6 alkyl, substituted C1-C6 alkyl, C3-C7 cycloalkyl, substituted C3-C7 cycloalkyl, C3-C7 cycloalkyl-C1-C3 alkyl, substituted C3-C7 cycloalkyl-C1-C3 alkyl, phenyl, substituted phenyl, heterocycle, or substituted heterocycle; R2 is hydrogen, C1-C3 alkyl, C3-C6 cycloalkyl-C1-C3 alkyl, or a group of formula II; R3 is hydrogen or C1-C3 alkyl; R4 is hydrogen, halo, or C1-C3 alkyl; R5 is hydrogen or C1-C3 alkyl; R6 is hydrogen or C1-C6 alkyl; and n is an integer from 1 to 6 inclusively. The compounds of the present invention are useful for activating 5-HT1F receptors, inhibiting neuronal protein extravasation, and for the treatment or prevention of migraine in a mammal. The present invention also relates to a process for the synthesis of intermediates in the synthesis of compounds of Formula I.
    Type: Application
    Filed: July 22, 2008
    Publication date: December 4, 2008
    Applicant: Eli Lilly and Company
    Inventors: Michael Philip Cohen, Daniel Timothy Kohlman, Sidney Xi Liang, Vincent Mancuso, Frantz Victor, Yao-Chang Xu, Bai-Ping Ying, DeAnna Piatt Zacherl, Deyi Zhang
  • Patent number: 7423050
    Abstract: The present invention relates to compounds of formula I: or pharmaceutically acceptable acid addition salts thereof, where; R1 is C1-C6 alkyl, substituted C1-C6 alkyl, C3-C7 cycloalkyl, substituted C3-C7 cycloalkyl, C3-C7 cycloalkyl-C1-C3 alkyl, substituted C3-C7 cycloalkyl-C1-C3 alkyl, phenyl, substituted phenyl, heterocycle, or substituted heterocycle; R2 is hydrogen, C1-C3 alkyl, C3-C6 cycloalkyl-C1-C3 alkyl, or a group of formula II R3 is hydrogen or C1-C3 alkyl; R4 is hydrogen, halo, or C1-C3 alkyl; R5 is hydrogen or C1-C3 alkyl; R6 is hydrogen or C1-C6 alkyl; and n is an integer from 1 to 6 inclusively. The compounds of the present invention are useful for activating 5-HT1F receptors, inhibiting neuronal protein extravasation, and for the treatment or prevention of migraine in a mammal. The present invention also relates to a process for the synthesis of intermediates in the synthesis of compounds of Formula I.
    Type: Grant
    Filed: March 27, 2003
    Date of Patent: September 9, 2008
    Assignee: Eli Lilly and Company
    Inventors: Michael Philip Cohen, Daniel Timothy Kohlman, Sidney Xi Liang, Vincent Mancuso, Yao-Chang Xu, Bai-Ping Ying, DeAnna Piatt Zacherl, Deyi Zhang, Frantz Victor
  • Patent number: 7045545
    Abstract: The present invention provides serotonergic aminoalkylbenzofurans of Formula (I): where R, R1, R2, R3, R4, R4?, R5, R5?, and R12 are as described in the specification.
    Type: Grant
    Filed: January 19, 2000
    Date of Patent: May 16, 2006
    Assignee: Eli Lilly and Company
    Inventors: Karin Briner, Joseph Paul Burkhart, Timothy Paul Burkholder, Matthew Joseph Fisher, William Harlan Gritton, Daniel Timothy Kohlman, Sidney Xi Liang, Shawn Christopher Miller, Jeffrey Thomas Mullaney, Yao-Chang Xu, Yanping Xu
  • Patent number: 6828332
    Abstract: The present invention provides compounds of formula (I) and a method of inhibiting the reuptake of serotonin and antagonizing the serotonin receptor which comprises administering to a subject in need of such treatment an effective amount of a compound of formula (I).
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: December 7, 2004
    Assignee: Eli Lilly and Company
    Inventors: Daniel Timothy Kohlman, Sidney Xi Liang, Yao-Chang Xu
  • Patent number: 6664274
    Abstract: The present invention provides compounds of formula I and a method of inhibiting the reuptake of serotonin, antagonizing the 5-HT1A receptor and antagonizing the 5-HT2A receptor which comprises administering to a subject in need of such treatment an effective amount of a compound of formula I.
    Type: Grant
    Filed: July 16, 2002
    Date of Patent: December 16, 2003
    Assignee: Eli Lilly and Company
    Inventors: Sidney Xi Liang, Yao-Chang Xu
  • Patent number: 6436964
    Abstract: The present invention provides the compounds of the following formula: Wherein the variables are as defined in the specification and a method for inhibiting the reuptake of seretonin, antagonizing the 5-HT1A receptor and antagonizing the 5-HT2A receptor which comprises administering to a subject in need of such treatment an effective amount of the compound of above formula.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: August 20, 2002
    Assignee: Eli Lilly and Company
    Inventors: Larry Wayne Hertel, Daniel Timothy Kohlman, Sidney Xi Liang, David Taiwai Wong, Yao-Chang Xu
  • Patent number: 5792763
    Abstract: This invention provides novel 5-HT.sub.1F agonists of formula ##STR1## where X, Y, Z,and R are defined in the specification, which are useful for the prevention and treatment of migraine and associated disorders.
    Type: Grant
    Filed: September 26, 1997
    Date of Patent: August 11, 1998
    Assignee: Eli Lilly and Company
    Inventors: James E. Fritz, Stephen W. Kaldor, Sidney Xi Liang, Upinder Singh, Yao-Chang Xu