Patents by Inventor Yao-Chang Xu
Yao-Chang Xu 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: 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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Patent number: 9474762Abstract: The invention relates to compounds of formula (I) and salts thereof: wherein the substituents are as defined in the specification; a compound of formula (I) for use in the treatment of the human or animal body, in particular with regard to c-Met tyrosine kinase mediated diseases or conditions; the use of a compound of formula (I) for manufacturing a medicament for the treatment of such diseases; pharmaceutical compositions comprising a compound of the formula (I), optionally in the presence of a combination partner, and processes for the preparation of a compound of formula (I).Type: GrantFiled: May 19, 2015Date of Patent: October 25, 2016Assignee: NOVARTIS AGInventors: Chao Chen, Haibing Deng, Haibing Guo, Feng He, Lei Jiang, Fang Liang, Yuan Mi, Huixin Wan, Yao-Chang Xu, Hongping Yu, Ji Yue 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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Publication number: 20150250799Abstract: The invention relates to compounds of formula (I) and salts thereof: wherein the substituents are as defined in the specification; a compound of formula (I) for use in the treatment of the human or animal body, in particular with regard to c-Met tyrosine kinase mediated diseases or conditions; the use of a compound of formula (I) for manufacturing a medicament for the treatment of such diseases; pharmaceutical compositions comprising a compound of the formula (I), optionally in the presence of a combination partner, and processes for the preparation of a compound of formula (I).Type: ApplicationFiled: May 19, 2015Publication date: September 10, 2015Applicant: Novartis AGInventors: Chao CHEN, Haibing DENG, Haibing Guo, Feng HE, Lei Jiang, Fang Liang, Yuan Mi, Huixin Wan, Yao-Chang Xu, Hongping Yu, Ji Yue Zhang
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Patent number: 9062045Abstract: The invention relates to compounds of formula (I) and salts thereof: wherein the substituents are as defined in the specification; a compound of formula (I) for use in the treatment of the human or animal body, in particular with regard to c-Met tyrosine kinase mediated diseases or conditions; the use of a compound of formula (I) for manufacturing a medicament for the treatment of such diseases; pharmaceutical compositions comprising a compound of the formula (I), optionally in the presence of a combination partner, and processes for the preparation of a compound of formula (I).Type: GrantFiled: September 13, 2012Date of Patent: June 23, 2015Assignee: Novartis AGInventors: Chao Chen, Haibing Deng, Haibing Guo, Feng He, Lei Jiang, Fang Liang, Yuan Mi, Huixin Wan, Yao-Chang Xu, Hongping Yu, Ji Yue (Jeff) 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: 20130245002Abstract: The invention relates to compounds of formula (I) and salts thereof: wherein the substituents are as defined in the specification; a compound of formula (I) for use in the treatment of the human or animal body, in particular with regard to c-Met tyrosine kinase mediated diseases or conditions; the use of a compound of formula (I) for manufacturing a medicament for the treatment of such diseases; pharmaceutical compositions comprising a compound of the formula (I), optionally in the presence of a combination partner, and processes for the preparation of a compound of formula (I).Type: ApplicationFiled: September 13, 2012Publication date: September 19, 2013Applicant: NOVARTIS AGInventors: Chao CHEN, Haibing DENG, Haibing GUO, Feng HE, Lei JIANG, Fang LIANG, Yuan MI, Huixin WAN, Yao-Chang XU, Hongping YU, Ji Yue ZHANG
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Patent number: 8507676Abstract: The invention relates to compounds of formula (I) and salts thereof: wherein the substituents are as defined in the specification; a compound of formula (I) for use in the treatment of the human or animal body, in particular with regard to c-Met tyrosine kinase mediated diseases or conditions; the use of a compound of formula (I) for manufacturing a medicament for the treatment of such diseases; pharmaceutical compositions comprising a compound of the formula (I), optionally in the presence of a combination partner, and processes for the preparation of a compound of formula (I).Type: GrantFiled: August 6, 2012Date of Patent: August 13, 2013Assignee: Novartis AGInventors: Miao Dai, Xingnian Fu, Feng He, Lei Jiang, Yue Li, Fang Liang, Lei Liu, Yuan Mi, Yao-Chang Xu, Guoliang Xun, Xiaoxia Yan, Zhengtian Yu, Ji Yue Zhang
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Patent number: 8497368Abstract: The invention relates to compounds of formula (I) and salts thereof: wherein the substituents are as defined in the specification; a compound of formula (I) for use in the treatment of the human or animal body, in particular with regard to c-Met tyrosine kinase mediated diseases or conditions; the use of a compound of formula (I) for manufacturing a medicament for the treatment of such diseases; pharmaceutical compositions comprising a compound of the formula (I), optionally in the presence of a combination partner, and processes for the preparation of a compound of formula (I).Type: GrantFiled: August 10, 2010Date of Patent: July 30, 2013Assignee: Novartis AGInventors: Feng He, Miao Dai, Xingnian Fu, Yue Li, Lei Liu, Yuan Mi, Yao-chang Xu, Guoliang Xun, Zhengtian Yu, Ji Yue Zhang
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Patent number: 8410264Abstract: The invention relates to compounds of formula (I) and salts thereof: wherein the substituents are as defined in the specification; a compound of formula (I) for use in the treatment of the human or animal body, in particular with regard to c-Met tyrosine kinase mediated diseases or conditions; the use of a compound of formula (I) for manufacturing a medicament for the treatment of such diseases; pharmaceutical compositions comprising a compound of the formula (I), optionally in the presence of a combination partner, and processes for the preparation of a compound of formula (I).Type: GrantFiled: August 19, 2010Date of Patent: April 2, 2013Assignee: Novartis AGInventors: Miao Dai, Xingnian Fu, Feng He, Lei Jiang, Yue Li, Fang Liang, Lei Liu, Yuan Mi, Yao-chang Xu, Guoliang Xun, Xiaoxia Yan, Zhengtian Yu, Ji Yue Zhang
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Publication number: 20120329820Abstract: 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: February 1, 2012Publication date: December 27, 2012Applicant: Eli Lilly and CompanyInventors: Michael P. Cohen, Daniel T. Kohlman, Sidney X. Liang, Frantz Victor, Yao-Chang Xu, Bai-Ping Ying, Deanna P. Zacherl, Deyi Zhang
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Publication number: 20120302570Abstract: The invention relates to compounds of formula (I) and salts thereof: wherein the substituents are as defined in the specification; a compound of formula (I) for use in the treatment of the human or animal body, in particular with regard to c-Met tyrosine kinase mediated diseases or conditions; the use of a compound of formula (I) for manufacturing a medicament for the treatment of such diseases; pharmaceutical compositions comprising a compound of the formula (I), optionally in the presence of a combination partner, and processes for the preparation of a compound of formula (I).Type: ApplicationFiled: August 6, 2012Publication date: November 29, 2012Applicant: NOVARTIS AGInventors: Miao DAI, Xingnian FU, Feng HE, Lei JIANG, Yue LI, Fang LIANG, Lei LIU, Yuan MI, Yao-Chang XU, Guoliang XUN, Xiaoxia YAN, Zhengtian YU, Ji Yue ZHANG
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Publication number: 20120142681Abstract: The invention relates to compounds of formula (I) and salts thereof: wherein the substituents are as defined in the specification; a compound of formula (I) for use in the treatment of the human or animal body, in particular with regard to c-Met tyrosine kinase mediated diseases or conditions; the use of a compound of formula (I) for manufacturing a medicament for the treatment of such diseases; pharmaceutical compositions comprising a compound of the formula (I), optionally in the presence of a combination partner, and processes for the preparation of a compound of formula (I).Type: ApplicationFiled: August 10, 2010Publication date: June 7, 2012Applicant: NOVARTIS AGInventors: Feng He, Miao Dai, Xingnian Fu, Yue Li, Lei Liu, Yuan Mi, Yao-chang Xu, Guoliang Xun, Zhengtian Yu, Ji Yue Zhang
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Publication number: 20110065708Abstract: The invention relates to compounds of formula (I) and salts thereof: wherein the substituents are as defined in the specification; a compound of formula (I) for use in the treatment of the human or animal body, in particular with regard to c-Met tyrosine kinase mediated diseases or conditions; the use of a compound of formula (I) for manufacturing a medicament for the treatment of such diseases; pharmaceutical compositions comprising a compound of the formula (I), optionally in the presence of a combination partner, and processes for the preparation of a compound of formula (I).Type: ApplicationFiled: August 19, 2010Publication date: March 17, 2011Applicant: NOVARTIS AGInventors: Miao DAI, Xingnian FU, Feng HE, Lei JIANG, Yue LI, Fang LIANG, Lei LIU, Yuan MI, Yao-chang XU, Guoliang XUN, Xiaoxia YAN, Zhengtian YU, Ji Yue ZHANG
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Publication number: 20110034511Abstract: The present invention relates to compounds of formula I: or a pharmaceutically acceptable acid addition salt thereof, wherein X is C(R3c)? or N?; R1 is C2-C6 alkyl, substituted C2-C6 alkyl, C3-C7 cycloalkyl, substituted C3-C7 cycloalkyl, phenyl, substituted phenyl, heterocycle, or substituted heterocycle; R2 is hydrogen, C1-C3 n-alkyl, C3-C6 cycloalkyl-C1-C3 alkyl, or a group of formula II provided that when R1 is C2-C6 alkyl or substituted C2-C6 alkyl, R2 is hydrogen or methyl; R3a, R3b and, when X is —C(R3c)?, R3c, are each independently hydrogen, fluoro, or methyl, provided that no more than one of R3a, R3b, and R3c may be other than hydrogen; R4 is hydrogen or C1-C3 alkyl; R5 is hydrogen, C1-C3 alkyl, or C3-C6 cycloalkylcarbonyl, provided that when R3a is other than hydrogen, R5 is hydrogen; R6 is hydrogen or C1-C6 alkyl; and n is an integer from 1 to 6 inclusively.Type: ApplicationFiled: September 28, 2010Publication date: February 10, 2011Applicant: Eli Lilly and CompanyInventors: Maria-Jesus Blanco-Pillado, Michael Philip Cohen, Sandra Ann Filla, Kevin John Hudziak, Daniel Timothy Kohlman, Dana Rae Benesh, Frantz Victor, Yao-Chang Xu, Bai-Ping Ying, DeAnna Piatt Zacherl, Deyi Zhang, Brian Michael Mathes
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Patent number: 7608629Abstract: The present invention relates to compounds of formula 1: and pharmaceutically acceptable acid addition sails thereof. The compounds of the present invention are useful for activating 5-HT1F receptors, inhibiting neuronal protein extravasation, and for the treatment or preverition of migraine in mammals, particularly humans.Type: GrantFiled: April 14, 2004Date of Patent: October 27, 2009Assignee: Eli Lilly and CompanyInventors: Maria-Jesus Blanco-Pillado, Dana Rae Benesh, Sandra Ann Filla, Kevin John Hudziak, Brian Michael Mathes, Daniel Timothy Kohlman, Bai-Ping Ying, Deyi Zhang, Yao-Chang Xu
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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: 7312236Abstract: The present invention relates to compounds of formula I: or a pharmaceutically acceptable acid addition salt thereof, where; X is —C(R4)? or —N?; Ar is phenyl, substituted phenyl, heterocycle, or substituted heterocycle; R1 and R2 are independently hydrogen or C1-C3 alkyl; R3 is hydrogen, fluoro, or methyl; when X is —C(R4)?,R4 is hydrogen, fluoro, or methyl, provided that no more than one of R3and R4 may be other than hydrogen; and R5 is hydrogen, methyl, or ethyl. The compounds of the present invention are useful for activating 5-HT1F receptors, inhibiting dural protein extravasation, and for the treatment or prevention of migraine in a mammal.Type: GrantFiled: December 6, 2004Date of Patent: December 25, 2007Assignee: Eli Lilly and CompanyInventors: Daniel Timothy Kohlman, Frantz Victor, Yao-Chang Xu, Bai-Ping Ying, Deyi Zhang