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).
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Publication number: 20220274992Abstract: 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: ApplicationFiled: August 25, 2020Publication date: September 1, 2022Inventors: Xiping SU, Sidney Xi LIANG, Peter J. WERTH
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Patent number: 10703756Abstract: 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: GrantFiled: April 19, 2016Date of Patent: July 7, 2020Assignee: 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
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Publication number: 20190002466Abstract: 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: ApplicationFiled: April 19, 2016Publication date: January 3, 2019Applicant: 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
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Publication number: 20170044136Abstract: 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: ApplicationFiled: April 6, 2016Publication date: February 16, 2017Inventors: Michael Philip Cohen, Daniel Timothy Kohlman, Sidney Xi Liang, Frantz Victor, Yao-Chang Xu, Bai-Ping Ying, DeAnna Piatt Zacherl, Deyi Zhang
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Publication number: 20150376178Abstract: 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: ApplicationFiled: June 5, 2014Publication date: December 31, 2015Inventors: Michael Philip Cohen, Daniel Timothy Kohlman, Sidney Xi Liang, Frantz Victor, Yao-Chang Xu, Bai-Ping Ying, DeAnna Piatt Zacherl, Deyi Zhang
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Patent number: 8748459Abstract: 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: GrantFiled: February 1, 2012Date of Patent: June 10, 2014Assignee: Eli Lilly and CompanyInventors: Michael Philip Cohen, Daniel Timothy Kohlman, Sidney Xi Liang, Frantz Victor, Yao-Chang Xu, Bai-Ping Ying, DeAnna Piatt Zacherl, Deyi Zhang
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Publication number: 20090209563Abstract: 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: ApplicationFiled: August 7, 2008Publication date: August 20, 2009Inventors: Michael Philip Cohen, Daniel Timothy Kohlman, Sidney Xi Liang, Vincent Mancuso, Yao-Chang Xu
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Publication number: 20080300407Abstract: 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: ApplicationFiled: July 22, 2008Publication date: December 4, 2008Applicant: Eli Lilly and CompanyInventors: Michael Philip Cohen, Daniel Timothy Kohlman, Sidney Xi Liang, Vincent Mancuso, Frantz Victor, Yao-Chang Xu, Bai-Ping Ying, DeAnna Piatt Zacherl, Deyi Zhang
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Patent number: 7423050Abstract: 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: GrantFiled: March 27, 2003Date of Patent: September 9, 2008Assignee: Eli Lilly and CompanyInventors: Michael Philip Cohen, Daniel Timothy Kohlman, Sidney Xi Liang, Vincent Mancuso, Yao-Chang Xu, Bai-Ping Ying, DeAnna Piatt Zacherl, Deyi Zhang, Frantz Victor
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Patent number: 7045545Abstract: 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: GrantFiled: January 19, 2000Date of Patent: May 16, 2006Assignee: Eli Lilly and CompanyInventors: 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
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Patent number: 6828332Abstract: 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: GrantFiled: February 27, 2002Date of Patent: December 7, 2004Assignee: Eli Lilly and CompanyInventors: Daniel Timothy Kohlman, Sidney Xi Liang, Yao-Chang Xu
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Patent number: 6664274Abstract: 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: GrantFiled: July 16, 2002Date of Patent: December 16, 2003Assignee: Eli Lilly and CompanyInventors: Sidney Xi Liang, Yao-Chang Xu
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Patent number: 6436964Abstract: 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: GrantFiled: November 28, 2000Date of Patent: August 20, 2002Assignee: Eli Lilly and CompanyInventors: Larry Wayne Hertel, Daniel Timothy Kohlman, Sidney Xi Liang, David Taiwai Wong, Yao-Chang Xu
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Patent number: 5792763Abstract: 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: GrantFiled: September 26, 1997Date of Patent: August 11, 1998Assignee: Eli Lilly and CompanyInventors: James E. Fritz, Stephen W. Kaldor, Sidney Xi Liang, Upinder Singh, Yao-Chang Xu