Patents by Inventor Man Chu Lo

Man Chu Lo 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: 20160214997
    Abstract: The present invention is directed to 2,2-difluorodioxolo compounds that are antagonists of A2A receptor. The present invention is also directed to uses of the 2,2-difluorodioxolo compounds described herein in the potential treatment or prevention of neurological disorders and diseases in which A2A receptor are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds and to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which A2A receptors are involved.
    Type: Application
    Filed: August 25, 2014
    Publication date: July 28, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Ali Amjad, Gioconda V. Gallo, Timothy J. Henderson, Rongze Kuang, Yeon-Hee Lim, Michael Man-Chu Lo, Edward Metzger, Manuel de Lera Ruiz, Andrew Stamford, Paul Tempest, Brent Whitehead, Heping Wu
  • Publication number: 20160194330
    Abstract: Disclosed are compounds of Formula A: (structurally represented) where “RG1”, “RG2a”, “RG4”, “RG5”, “MG1”, “n” and “m” are defined herein which compounds are antagonists of A2A receptor. Disclosed herein also are uses of the compounds described herein as antagonists of the A2a receptor in the potential treatment or prevention of neurological disorders and diseases in which A2A receptors are involved. Disclosed herein also are pharmaceutical compositions comprising these compounds and uses of these pharmaceutical compositions.
    Type: Application
    Filed: December 20, 2013
    Publication date: July 7, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Michael Man-Chu Lo, Yeon-Hee Lim, Andrew Stamford, Rongze Kuang, Paul Tempest, Younong Yu, Michael Berlin, Pauline Ting, Gang Zhou, Tao Yu, Christopher Boyce, Joseph Michael Kelly, Jayaram R. Tagat, Junying Zheng, Xianhai Huang, Wei Zhou, Jae-Hun Kim, Nicolas Zorn, Dong Xiao, Gioconda V. Gallo, Walter Won, Heping Wu, Rajan Anand, Qiaolin Deng
  • Patent number: 9272987
    Abstract: A compound having the structure or a pharmaceutically acceptable salt thereof, wherein R6 is hydrogen, —OH, —C1-6alkyl, —OC1-6alkyl, aryl, or halogen, or together with R7, forms an oxo group, or together with R7 and the atom to which they are attached, form a 5-7-membered carbocycle ring or a 5-7-membered heterocyclic ring having 1, 2, or 3 heteroatoms, wherein alkyl and aryl are unsubstituted or independently mono-, di-, or tri-substituted with R14; R7 is hydrogen, C1-6alkyl, —CF3, aryl, —O-aryl, —O—C1-6alkyl, —C(O)OC1-6alkyl, —C(R15R16)OH, a 5-7-membered heteroaryl having 1, 2, 3 or 4 nitrogen atoms, or halogen, or together with R6, forms an oxo group, or together with R6 and the atom to which they are attached, form a 5-7-membered carbocycle ring or a 5-7-membered heterocyclic ring having 1, 2, or 3 heteroatoms wherein alkyl, aryl and heteroaryl are unsubstituted or independently mono-, di- or tri-substituted with R14; R12 is hydrogen, C1-6alkyl, or —(CH2)1-2OH, or together with R13 and the nitr
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: March 1, 2016
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Michael Man-Chu Lo, Lin Yan
  • Publication number: 20150361098
    Abstract: Disclosed are compounds of Formula G1 (structurally represented): where “RG3” “Rd1” to “Rd4”, “n”, “m”, “p”, “W”, “X”, “Y”, and “Z” are defined herein which compounds are antagonists of A2A receptor. Disclosed herein also are uses of the compounds described herein as antagonists of the A2a receptor in the potential treatment or prevention of neurological disorders and diseases in which A2A receptors are involved. Disclosed herein also are pharmaceutical compositions comprising these compounds and uses of these pharmaceutical compositions.
    Type: Application
    Filed: December 20, 2013
    Publication date: December 17, 2015
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Michael Man-Chu Lo, Yeon-Hee Lim, Andrew Stamford, Rongze Kuang, Paul Tempest, Younong Yu, Xianhai Huang, Timothy J. Henderson, Jae-Hun Kim, Christopher Boyce, Pauline Ting, Junying Zheng, Edward Metzger, Nicolas Zorn, Dong Xiao, Gioconda V. Gallo, Walter Won, Heping Wu, Qiaolin Deng
  • Patent number: 9108920
    Abstract: A compound having the structure: useful for treating hypertension, Pulmonary Arterial Hypertension (PAH), congestive heart failure, conditions resulting from excessive water retention, cardiovascular disease, diabetes, oxidative stress, endothelial dysfunction, cirrhosis, pre-eclampsia, osteoporosis or nephropathy.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: August 18, 2015
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Michael Man-Chu Lo, Robert K. Baker, Zhiqiang Guo, Brent Whitehead, Timothy J. Henderson, Edward Metzger, Lin Yan, Shrenik K. Shah, James Dellureficio, Jun Wang
  • Publication number: 20150225365
    Abstract: This invention relates to indo line compounds of the structural formula I, or their pharmaceutically acceptable salts, wherein the variables are defined herein. The inventive compounds selectively inhibit aldosterone synthase. This invention also provides for pharmaceutical compositions comprising the compounds of Formula I or their salts as well as potentially to methods for the treatment amelioration or prevention of conditions that could be treated by inhibiting aldosterone synthase.
    Type: Application
    Filed: October 2, 2013
    Publication date: August 13, 2015
    Applicants: ElexoPharm GmbH, Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Michael Man-Chu Lo, Edward Metzger, Lina Yin, Rolf Hartmann, Qingzhong Hu, Ralf Heim, Christina Zimmer
  • Patent number: 9073929
    Abstract: This invention relates to tricyclic triazole analogs of the formula I or their pharmaceutically acceptable salts, wherein the variable are defined herein. The inventive compounds selectively inhibit aldosterone synthetase. This invention also provides for pharmaceutical compositions comprising the compounds of Formula I or their salts as well as to methods for the treatment, amelioration or prevention of conditions that could be treated by inhibiting aldosterone synthetase.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: July 7, 2015
    Assignees: ElexoPharm GmbH, Merck Sharp & Dohme Corp.
    Inventors: Scott B. Hoyt, Whitney Lane Petrilli, Clare London, Yusheng Xiong, Jerry Andrew Taylor, Amjad Ali, Michael Man-Chu Lo, Timothy J. Henderson, Qingzhong Hu, Rolf Hartmann, Lina Yin, Ralf Heim, Emmanuel Bey, Rohit Saxena, Swapan Kumar Samanta, Bheemashankar A. Kulkarni
  • Publication number: 20140088048
    Abstract: A compound having the structure or a pharmaceutically acceptable salt thereof, wherein R6 is hydrogen, —OH, —C1-6alkyl, —OC1-6alkyl, aryl, or halogen, or together with R7, forms an oxo group, or together with R7 and the atom to which they are attached, form a 5-7-membered carbocycle ring or a 5-7-membered heterocyclic ring having 1, 2, or 3 heteroatoms, wherein alkyl and aryl are unsubstituted or independently mono-, di-, or tri-substituted with R14; R7 is hydrogen, C1-6alkyl, —CF3, aryl, —O-aryl, —O—C1-6alkyl, —C(O)OC1-6alkyl, —C(R15R16)OH, a 5-7-membered heteroaryl having 1, 2, 3 or 4 nitrogen atoms, or halogen, or together with R6, forms an oxo group, or together with R6 and the atom to which they are attached, form a 5-7-membered carbocycle ring or a 5-7-membered heterocyclic ring having 1, 2, or 3 heteroatoms wherein alkyl, aryl and heteroaryl are unsubstituted or independently mono-, di- or tri-substituted with R14; R12 is hydrogen, C1-6alkyl, or —(CH2)1-2OH, or together with R13 and the nitr
    Type: Application
    Filed: April 27, 2012
    Publication date: March 27, 2014
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Michael Man-Chu Lo, Lin Yan
  • Publication number: 20140045819
    Abstract: This invention relates to tricyclic triazole analogues of the formula I or their pharmaceutically acceptable salts, wherein the variable are defined herein. The inventive compounds selectively inhibit aldosterone synthetase. This invention also provides for pharmaceutical compositions comprising the compounds of Formula I or their salts as well as to methods for the treatment, amelioration or prevention of conditions that could be treated by inhibiting aldosterone synthetase.
    Type: Application
    Filed: April 20, 2012
    Publication date: February 13, 2014
    Applicants: ElexoPharm GmbH, SCHERING CORPORATION
    Inventors: Scott B. Hoyt, Whitney Lane Petrilli, Clare London, Yusheng Xiong, Jerry Andrew Taylor, Amjad Ali, Michael Man-Chu Lo, Timothy J. Henderson, Qingzhong Hu, Rolf Hartmann, Lina Yin, Ralf Heim, Emmanuel Bey, Rohit Saxena, Swapan Kumar Samanta, Bheemashankar A. Kulkarni
  • Patent number: 8648058
    Abstract: A compound of formula I, wherein R1-R7 are defined herein, or stereoisomers therof, or pharmaceutically acceptable salts thereof, or pharmaceutically acceptable salts of stereoisomers thereof, and methods of using these compounds for treating hypertension.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: February 11, 2014
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Michael Man-Chu Lo, Edward Metzger, Lin Yan
  • Publication number: 20130296278
    Abstract: A compound having the structure (I) useful for treating hypertension, pulmonary arterial hypertension, congestive heart failure, conditions resulting from excessive water retention, cardiovascular disease, diabetes, oxidative stress, endothelial dysfunction, cirrhosis, pre-eclampsia, osteoporosis or nephropathy.
    Type: Application
    Filed: January 12, 2012
    Publication date: November 7, 2013
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Michael Man-Chu Lo, Edward Metzger, Shrenik K. Shah, James Dellureficio
  • Publication number: 20130289003
    Abstract: A compound having the structure: useful for treating hypertension, Pulmonary Arterial Hypertension (PAH), congestive heart failure, conditions resulting from excessive water retention, cardiovascular disease, diabetes, oxidative stress, endothelial dysfunction, cirrhosis, pre-eclampsia, osteoporosis or nephropathy.
    Type: Application
    Filed: October 25, 2011
    Publication date: October 31, 2013
    Inventors: Amjad Ali, Michael Man-Chu Lo, Robert K. Baker, Zhiqiang Guo, Brent Whitehead, Timothy J. Henderson, Edward Metzger, Lin Yan, Shrenik K. Shah, James Dellureficio, Jun Wang
  • Patent number: 8530521
    Abstract: A compound having the structure wherein Y is selected from the group consisting of —C(O)OR2, —C(O)NHR8, —C(CH2)1-2OR3, OH, and or a pharmaceutically acceptable salt thereof, and methods of using the compounds for treating hypertension.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: September 10, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Robert K. Baker, Kathleen M. Rupprecht, Michael Man-Chu Lo, Brent Whitehead
  • Publication number: 20130053352
    Abstract: A compound having the structure or a pharmaceutically acceptable salt thereof, wherein R1 is hydrogen, —OH, —O—C1-6 alkyl, ?O, or halogen; R2 is hydrogen, C(O)OR8, C6H5C(O)OR8, (CH2)1-2OH, CR9R10OH, C(O)O(CH2)0-2 aryl, C(O)NR9R10, C(O)SO2NR9R10, C6H5OR9, W—C(O)OR8, W—OR9, Y, or P(O)(OR9)(ORlO); R3 is hydrogen or —C1-6 alkyl; R4 is hydrogen, —OH or —C(O)OR9; R5 is hydrogen or deuterium; R6 and R7 are independently —C1-6 alkyl, fluoro-substituted —C1-6 alkyl, deutero-substituted —C1-6 alkyl or —(CH2)1-2R11, wherein any carbon atom of the fluoro-substituted —C1-6 alkyl is mono- or di-substituted with fluoro, and any carbon atom of the deutero-substituted —C1-6 alkyl is mono- or di-substituted with fluoro; R8, in each instance in which it occurs, is independently hydrogen, —C1-6 alkyl, or —(CH2)2N+(CH3)3; R9 and R10, in each instance in which they occur, are independently —C1-6 alkyl; R11 is —OH, —O—C1-6 alkyl, -0CD3, —OC(O)OC1-6 alkyl, —NH2, —C6H5, —N3, or W; W is an unsubslituted 5- or 6-raembered heteroaryl ri
    Type: Application
    Filed: February 10, 2011
    Publication date: February 28, 2013
    Applicant: MERCK SHARP & DOHME CORP.
    Inventors: Amjad Ali, Michael Man-Chu Lo, Edward Metzger, Lin Yan
  • Patent number: 8377911
    Abstract: A compound having the structure formula (I) or a pharmaceutically acceptable salt thereof, and methods of using the compounds for treating hypertension.
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: February 19, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Michael Man-Chu Lo, Lin Yan
  • Patent number: 8367711
    Abstract: A compound having the structure wherein R is, for example, Y is selected from the group consisting of 1) R5, 2) —C(R1R2) (C(R3R4))0-1Y1R5, and 3) —C(R1R2)—O—Y1R5; R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen and C1-4 alkyl; R5 is; Y1 is selected from the group consisting of C(O)—O— and P(O)(OR6)—O—; and R6 is hydrogen or CH3, or a pharmaceutically acceptable salt thereof, and methods of using the compounds for treating hypertension.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: February 5, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Michael Man-Chu Lo, Christopher Franklin, Iyassu K. Sebhat, Nicoletta Almirante, Silvia Stefanini, Stefano Biondi, Ennio Ongini
  • Patent number: 8361994
    Abstract: A compound having the structure useful for treating hypertension, Pulmonary Arterial Hypertension (PAH), congestive heart failure, conditions resulting from excessive water retention, cardiovascular disease, diabetes, oxidative stress, endothelial dysfunction, cirrhosis, pre-eclampsia, osteoporosis or nephropathy.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: January 29, 2013
    Assignee: Merck Sharp & Dohme Corp
    Inventors: Amjad Ali, Michael Man-Chu Lo, Zhiqiang Guo, Brent Whitehead, Timothy J. Henderson, Lin Yan, Shrenik K. Shah
  • Patent number: 8354394
    Abstract: A compound having the structure (I) wherein R is selected from the group consisting of 1) and 2), or a pharmaceutically acceptable salt thereof, and methods of using the compounds for treating hypertension.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: January 15, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Christopher Franklin, Ravi Nargund, Michael Man-Chu Lo, Lin Yan, Pei Huo
  • Patent number: 8293777
    Abstract: A compound having the structure wherein R is an angiotensin receptor antagonist active group, and Y is Y is selected from the group consisting of R1 is selected from the group consisting of —O—C1-6 alkyl, —O-aryl, —O-heteroaryl, —O—C3-8 cycloalkyl, —C1-6 alkyl, -aryl, -heteroaryl, and —C3-8 cycloalkyl; R2 and R3 are independently selected from the group consisting of hydrogen and C1-4 alkyl, or a pharmaceutically acceptable salt or hydrate thereof, which is useful for treating hypertension.
    Type: Grant
    Filed: December 2, 2009
    Date of Patent: October 23, 2012
    Assignee: Merck Sharp & Dohme, Corp.
    Inventors: Michael Man-Chu Lo, Amjad Ali, Ravi P. Nargund
  • Publication number: 20120238608
    Abstract: A compound having the structure wherein R is, for example, Y is selected from the group consisting of 1) R5, 2) —C(R1R2) (C(R3R4))0-1Y1R5, and 3) —C(R1R2)—O—Y1R5; R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen and C1-4 alkyl; R5 is; Y1 is selected from the group consisting of C(O)—O— and P(O)(OR6)—O—; and R6 is hydrogen or CH3, or a pharmaceutically acceptable salt thereof, and methods of using the compounds for treating hypertension.
    Type: Application
    Filed: May 30, 2012
    Publication date: September 20, 2012
    Applicant: Merck Sharp & Dohme
    Inventors: Amjad Ali, Michael Man-chu Lo, Iyassu K. Sebhat, Chris Franklin, Nicoletta Almirante, Silvia Stefanini, Stefano Biondi, Ennio Ongini