Patents by Inventor Changyou Zhou

Changyou Zhou 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: 20150045355
    Abstract: Provided are certain fused tricyclic compounds and salts thereof, compositions thereof, and methods of use therefor.
    Type: Application
    Filed: December 31, 2011
    Publication date: February 12, 2015
    Inventors: Changyou Zhou, Shaohui Wang, Guoliang Zhang
  • Publication number: 20150018356
    Abstract: Provided are certain fused tetra or penta-cyclic compounds and salts thereof, compositions thereof, and methods of use thereof.
    Type: Application
    Filed: December 31, 2011
    Publication date: January 15, 2015
    Inventors: Changyou Zhou, Bo Ren, Hexiang Wang
  • Publication number: 20140349972
    Abstract: The present invention relates to substituted pyrimidines useful as HIF prolyl hydroxylase inhibitors to treat anemia and like conditions.
    Type: Application
    Filed: September 19, 2012
    Publication date: November 27, 2014
    Applicant: MERCK SHARP & DOHME CORP
    Inventors: Qun Dang, Changyou Zhou, Wuxin Zou, Yuxia Hua
  • Publication number: 20140235583
    Abstract: The present invention relates to substituted pyrimidines useful as HIF prolyl hydroxylase inhibitors to treat anemia and like conditions.
    Type: Application
    Filed: September 19, 2012
    Publication date: August 21, 2014
    Inventors: Qun Dang, Changyou Zhou, Wuxin Zou, Yuxia Hua
  • Publication number: 20130018053
    Abstract: The present invention relates to substituted pyrimidines useful as HIF prolyl hydroxylase inhibitors to treat anemia and like conditions.
    Type: Application
    Filed: April 18, 2011
    Publication date: January 17, 2013
    Inventors: Changyou Zhou, Wuxin Zou, Yuxia Hua, Qun Dang
  • Patent number: 8039484
    Abstract: Diaryl ethers in which one of the aryl groups is a phenyl fused to a cycloalkyl or heterocyclic ring, to which is attached an acetic acid group, are agonists of G-protein coupled receptor 40 (GPR40) and are useful as therapeutic compounds, particularly in the treatment of Type 2 diabetes mellitus, and of conditions that often accompany this disease, including insulin resistance, obesity and lipid disorders.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: October 18, 2011
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Min Ge, Songnian Lin, Shawn P. Walsh, Lihu Yang, Changyou Zhou
  • Publication number: 20100234409
    Abstract: Compounds of the formulae (I) and (II): (wherein Q, X, E, G1, G2, R2, R3, R4, R5, R6 and Z are as defined herein) which are modulators of chemokine receptor activity and are useful in the prevention or treatment of certain inflammatory and immunoregulatory disorders and diseases, allergic diseases, atopic conditions including allergic rhinitis, dermatitis, conjunctivitis, and asthma, as well as autoimmune pathologies such as rheumatoid arthritis and atherosclerosis. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which chemokine receptors are involved.
    Type: Application
    Filed: May 20, 2005
    Publication date: September 16, 2010
    Inventors: Lihu Yang, Songnian Lin, Gregori Morriello, Liangqin Guo, Changyou Zhou
  • Patent number: 7786305
    Abstract: The present invention is directed to compounds of the formula I: (wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, X, n and the dashed line are defined herein) which are useful as modulators of chemokine receptor activity. In particular, these compounds are useful as modulators of the chemokine receptor CCR-2. The present invention is also directed to intermediates useful in the preparation of formula I compounds.
    Type: Grant
    Filed: May 28, 2004
    Date of Patent: August 31, 2010
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Richard Jiao, Gregori Morriello, Lihu Yang, Changyou Zhou, Shankaran Kothandaraman, Christopher Moyes
  • Patent number: 7759493
    Abstract: Bicyclic compounds containing a phenyl or pyridyl ring fused to a cycloalkyl or heterocyclic ring, to which is attached a 5-membered heterocyclic ring, including pharmaceutically acceptable salts and prodrugs thereof, are agonists of G-protein coupled receptor 40 (GPR40) and are useful as therapeutic compounds, particularly in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Grant
    Filed: January 30, 2006
    Date of Patent: July 20, 2010
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Min Ge, Lihu Yang, Changyou Zhou, Songnian Lin, Haifeng Tang, Eric Dean Cline, Sunita Malkani
  • Publication number: 20100105725
    Abstract: Diaryl ethers in which one of the aryl groups is a phenyl fused to a cycloalkyl or heterocyclic ring, to which is attached an acetic acid group, are agonists of G-protein coupled receptor 40 (GPR40) and are useful as therapeutic compounds, particularly in the treatment of Type 2 diabetes mellitus, and of conditions that often accompany this disease, including insulin resistance, obesity and lipid disorders.
    Type: Application
    Filed: October 26, 2007
    Publication date: April 29, 2010
    Inventors: Min Ge, Songnian Lin, Shawn P. Walsh, Lihu Yang, Changyou Zhou
  • Publication number: 20090312303
    Abstract: Bicyclic compounds containing a phenyl or pyridyl ring fused to a cycloalkyl or heterocyclic ring, to which is attached a 5-membered heterocyclic ring, including pharmaceutically acceptable salts and prodrugs thereof, are agonists of G-protein coupled receptor 40 (GPR40) and are useful as therapeutic compounds, particularly in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Application
    Filed: January 30, 2006
    Publication date: December 17, 2009
    Applicant: MERCK & CO., INC.
    Inventors: Min Ge, Lihu Yang, Changyou Zhou, Songnian Lin, Haifeng Tang, Eric Dean Cline, Sunita Malkani
  • Patent number: 7598243
    Abstract: The present invention is directed to compounds of the formula I: Wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, X, n and the broken lines are as defined herein which are useful as modulators of chemokine receptor activity. In particular, these compounds are useful as modulators of the chemokine receptor CCR-2.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: October 6, 2009
    Assignee: Merck & Co., Inc.
    Inventors: Gabor Butora, Stephen D. Goble, Alexander Pasternak, Lihu Yang, Changyou Zhou, Christopher R. Moyes
  • Patent number: 7557120
    Abstract: The present invention is directed to compounds of formulae (I and II)(wherein A, D, E, X, l, m, n and R1 through R18 are defined herein) which are useful as modulators of chemokine receptor activity. In particular, these compounds are useful as modulators of the chemokine receptor CCR-2.
    Type: Grant
    Filed: February 23, 2004
    Date of Patent: July 7, 2009
    Assignee: Merck & Co., Inc.
    Inventors: Stephen D. Goble, Alexander Pasternak, Cheng Tang, Changyou Zhou, Lihu Yang
  • Patent number: 7514431
    Abstract: The present invention is directed to compounds of the formula I: I (wherein R1, R2, R3, R4, R5, R6, X, Z and n are defined herein) which are useful as modulators of chemokine receptor activity. In particular, these compounds are useful as modulators of the chemokine receptor CCR-2.
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: April 7, 2009
    Assignee: Merck & Co., Inc.
    Inventors: Changyou Zhou, Alexander Pasternak, Lihu Yang
  • Patent number: 7410961
    Abstract: The present invention is further directed to compounds of formula (I): wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R16, R17, R18, R19, R20, R21 and R22 are as defined herein) which are modulators of chemokine receptor activity and are useful in the prevention or treatment of certain inflammatory and immunoregulatory disorders and diseases, allergic diseases, atopic conditions including allergic rhinitis, dermatitis, conjunctivitis, and asthma, as well as autoimmune pathologies such as rheumatoid arthritis and atherosclerosis. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which chemokine receptors are involved.
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: August 12, 2008
    Assignee: Merck & Co., Inc.
    Inventors: Lihu Yang, Sander G. Mills, Changyou Zhou, Stephen D. Goble, Alexander Pasternak
  • Patent number: 7393844
    Abstract: The present invention is directed to compounds of the formula (1) Wherein A, B, D, X, Y, n, R1, R3, R4, R5, R15, R16, R17, R18 and the dashed line are as defined herein which are useful as modulators of chemokine receptor activity.
    Type: Grant
    Filed: March 12, 2004
    Date of Patent: July 1, 2008
    Assignee: Merck & Co., Inc.
    Inventors: Stephen D. Goble, Alexander Pasternak, Sander G. Mills, Changyou Zhou, Lihu Yang
  • Patent number: 7390803
    Abstract: The present invention is directed to compounds of the formula (I) (wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R27, R28, R29, R30, R31, X, m, n and the dashed line are defined herein) which are useful as modulators of chemokine receptor activity.
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: June 24, 2008
    Assignee: Merck & Co., Inc.
    Inventors: Gabor Butora, Sander G. Mills, Alexander Pasternak, Kothandaraman Shankaran, Lihu Yang, Changyou Zhou, Stephen D. Goble
  • Patent number: 7361765
    Abstract: The present invention provides an efficient synthesis for the preparation of ((1R,3S)-3-isopropyl-3-{[3-(trifluoromethyl)-7,8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl}cyclopentyl)[(3S,4S)-3-m ethoxytetrahydro-2H-pyran-4-yl]amine and its succinate salt. The present invention additionally provides an efficient syntheses for the preparation of intermediates (3R)-3-methoxytetrahydro-4H-pyran-4-one; (1S,4S)-4-(2,5-dimethyl-1H-pyrrol-1-yl)-1-isopropylcyclopent-2-ene-1-carboxylic acid; and 3-(trifluoromethyl)-5,6,7,8-tetrahydro-1,6-naphthyridine; and for the preparation of the precursor (3S,4S)-N-((1S,4S)-4-isopropyl-4-{[3-(tri-fluoromethyl)-7,8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl}cyclopent-2-en-1-yl)-3-methoxytetrahydro-2H-pyran-4-amine.
    Type: Grant
    Filed: October 25, 2004
    Date of Patent: April 22, 2008
    Assignee: Merck & Co., Inc.
    Inventors: Dongwei Cai, Fred Fleitz, Min Ge, Scott Hoerrner, Gary Javadi, Mark Jensen, Robert Larsen, Wenjie Li, Dorian Nelson, Elizabeth Szumigala, Lihu Yang, Changyou Zhou
  • Publication number: 20080090865
    Abstract: Bicyclic compounds containing a fused pyridine ring, including pharmaceutically acceptable salts and prodrugs thereof, are agonists of G-protein coupled receptor 40 (GPR40) and are useful as therapeutic compounds, particularly in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Application
    Filed: January 24, 2006
    Publication date: April 17, 2008
    Inventors: Min Ge, Lihu Yang, Changyou Zhou, Songnian Lin, Eric Cline
  • Publication number: 20080081803
    Abstract: The present invention is directed to compounds of the formula I: Wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, X, n and the broken lines are as defined herein which are useful as modulators of chemokine receptor activity. In particular, these compounds are useful as modulators of the chemokine receptor CCR-2.
    Type: Application
    Filed: October 15, 2004
    Publication date: April 3, 2008
    Inventors: Gabor Butora, Stephen D. Goble, Alexander Pastemak, Lihu Yang, Changyou Zhou, Christopher R. Moyes