Patents by Inventor Kevin M. Belyk

Kevin M. Belyk 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: 20230174567
    Abstract: The present invention relates to efficient processes useful in the preparation of fluorinated nucleosides, such as (2S,3R,4S,5R)-5-(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)-3-fluoro-4-hydroxy-2-(mercaptomethyl)tetrahydrofuran-3-yl dihydrogen phosphate, also known as 3?-fluoro-thio-guanosine monophosphate or 3?-F-thio-GMP. Such fluorinated nucleosides may be useful as a biologically active compound and or as an intermediate for the synthesis of more complex biologically active compounds. The present invention also encompasses intermediates useful in the disclosed synthetic processes and the methods of their preparation.
    Type: Application
    Filed: May 20, 2021
    Publication date: June 8, 2023
    Applicant: Merck Sharp & Dohme LLC
    Inventors: Travis Armiger, Kevin M. Belyk, Tamas Benkovics, Cheol K. Chung, Yining Ji Chen, Heather Claire Johnson, Artis Klapars, Zhijian Liu, Zhuqing Liu, Jeffrey C. Moore, Andrew J. Neel, Feng Peng, Stephan M. Rummelt, Nastaran Salehi Marzuarani, Benjamin D. Sherry, Zhiguo Jake Song, Ben William Hulme Turnbull, Lu Wang, Feng Xu
  • Publication number: 20210154221
    Abstract: The present invention is directed to 4?-substituted nucleoside derivatives of Formula I and their use in the inhibition of HIV reverse transcriptase, the prophylaxis of infection by HIV, the treatment of infection by HIV, and the prophylaxis, treatment, and delay in the onset or progression of AIDS and/or ARC. The present invention also provides processes for the preparation of 4?-substituted nucleoside derivatives of Formula I and derivatives thereof.
    Type: Application
    Filed: February 3, 2021
    Publication date: May 27, 2021
    Applicants: Merck Sharp & Dohme Corp., Merck Sharp & Dohme Limited
    Inventors: Mark McLaughlin, Edward Cleator, Jongrock Kong, Andrew William Gibson, David R. Lieberman, Alejandro Diequez Vazquez, Stephen Philip Keen, Michael J. Williams, Jeffrey C. Moore, Erika M. Milczek, Feng Peng, Kevin M. Belyk, Zhiguo Jake Song
  • Patent number: 10815214
    Abstract: A novel process is provided for the efficient preparation of an asymmetric compound of structural formula I: comprising a copper-catalyzed, carbon-nitrogen cross-coupling step. The process described as part of the present invention can be used to manufacture poly (ADP-ribose) polymerase (PARP) inhibitors, which may be useful for the treatment of cancer. In particular, the present invention describes a process for the manufacture of the PARP inhibitor, 2-{4-[(3S)-piperidin-3-yl]phenyl}-2H-indazole-7-carboxamide.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: October 27, 2020
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Cheol K. Chung, Mark E. Scott, Paul G. Bulger, Kevin M. Belyk, John Limanto, Guy R. Humphrey
  • Publication number: 20200010449
    Abstract: A novel process is provided for the efficient preparation of an asymmetric compound of structural formula I: comprising a copper-catalyzed, carbon-nitrogen cross-coupling step. The process described as part of the present invention can be used to manufacture poly (ADP-ribose) polymerase (PARP) inhibitors, which may be useful for the treatment of cancer. In particular, the present invention describes a process for the manufacture of the PARP inhibitor, 2-{4-[(3S)-piperidin-3-yl]phenyl}-2H-indazole-7-carboxamide.
    Type: Application
    Filed: September 19, 2019
    Publication date: January 9, 2020
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Cheol K. Chung, Mark E. Scott, Paul G. Bulger, Kevin M. Belyk, John Limanto, Guy R. Humphrey
  • Patent number: 10457690
    Abstract: The present invention is directed to processes for preparing Substituted Tetracyclic Heterocycle Compounds of formula (I): (I) which may be useful as HCV NS5A inhibitors. The present invention is also directed to compounds that may be useful as synthetic intermediates and catalysts in the processes of the invention.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: October 29, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Jingjun Yin, Tetsuji Itoh, Jianguo Yin, Bangping Xiang, Kevin R. Campos, Alexei Kalinin, Zhuqing Liu, Melodie Deniz Christensen, Kevin M. Belyk, Richard J. Varsolona, Andrew Brunskill
  • Patent number: 10202401
    Abstract: The present invention is directed to a process for making Tetracyclic Heterocycle Compounds of Formula (I): and pharmaceutically acceptable salts thereof, wherein X1, X2, R1, R2 and R3 are defined above herein. The present invention is also directed to compounds that may be useful as synthetic intermediates in the process of the invention.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: February 12, 2019
    Assignees: MSD R&D CN CO., LTD, MERCK SHARP & DOHME CORP., MERCK SHARP & DOHME LIMITED
    Inventors: Hongming Li, Jingjun Yin, Kevin M. Belyk, Kevin R. Campos, Qinghao Chen, Alan M. Hyde, Tetsuji Itoh, Artis Klapars, Matthew Thomas Tudge, Edward Cleator, Aaron M. Dumas, Louis-Charles Campeau, Yonggang Chen, Ji Qi, Wensong Xiao
  • Publication number: 20190022115
    Abstract: The present invention is directed to 4?-substituted nucleoside derivatives of Formula (I) and their use in the inhibition of HIV reverse transcriptase, the prophylaxis of infection by HIV, the treatment of infection by HIV, and the prophylaxis, treatment, and delay in the onset or progression of AIDS and/or ARC. The present invention also provides processes for the preparation of 4?-substituted nucleoside derivatives of Formula (I) and derivatives thereof.
    Type: Application
    Filed: September 16, 2016
    Publication date: January 24, 2019
    Applicants: Merck Sharp & Dohme Corp., Merck Sharp & Dohme Limited
    Inventors: Vinay M. Girijavallabhan, Mark McLaughlin, Edward Cleator, Jongrock Kong, Andrew William Gibson, David R. Lieberman, Alejandro Dieguez Vazquez, Stephen Philip Keen, Michael J. Williams, Jeffrey C. Moore, Erika M. Milczek, Feng Peng, Kevin M. Belyk, Zhiguo Jake Song
  • Publication number: 20180179223
    Abstract: The present invention is directed to processes for preparing Substituted Tetracyclic Heterocycle Compounds of formula (I): (I) which may be useful as HCV NS5A inhibitors. The present invention is also directed to compounds that may be useful as synthetic intermediates and catalysts in the processes of the invention.
    Type: Application
    Filed: June 3, 2016
    Publication date: June 28, 2018
    Applicant: MERCK SHARP & DOHME CORP.
    Inventors: Jingjun Yin, Tetsuji Itoh, Jianguo Yin, Bangping Xiang, Kevin R. Campos, Alexei Kalinin, Zhuqing Liu, Melodie Deniz Christensen, Kevin M. Belyk, Richard J. Varsolona, Andrew Brunskill
  • Publication number: 20180065985
    Abstract: The present invention is directed to a process for making Tetracyclic Heterocycle Compounds of Formula (I): and pharmaceutically acceptable salts thereof, wherein X1, X2, R1, R2 and R3 are defined above herein. The present invention is also directed to compounds that may be useful as synthetic intermediates in the process of the invention.
    Type: Application
    Filed: November 9, 2017
    Publication date: March 8, 2018
    Applicants: Merck Sharpe & Dohme Corp., MSD R&D (China) Co., Ltd., Merck Sharp & Dohme Limited
    Inventors: Hongming Li, Jingjun Yin, Kevin M. Belyk, Kevin R. Campos, Qinghao Chen, Alan M. Hyde, Tetsuji Itoh, Artis Klapars, Matthew Thomas Tudge, Edward Cleator, Aaron M. Dumas, Louis-Charles Campeau, Yonggang Chen, Ji Qi, Wensong Xiao
  • Patent number: 9890128
    Abstract: The present invention is directed to a process for making Substituted Quinazoline Compounds of formula (I): which are useful for the treatment and prophylaxis of HCMV infection. The present invention is also directed to compounds that are useful as synthetic intermediates for making the compounds of formula (I).
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: February 13, 2018
    Assignees: MERCK SHARP & DOHME CORP., AICURIS ANTI-INFECTIVE CURES GMBH
    Inventors: Michael Luzung, Guy Humphrey, Bangping Xiang, Kevin M. Belyk, Stephen Mark Dalby, Wilfried Schwab, Burkhard Klenke, Tom Moody, Gareth Brown
  • Publication number: 20170166586
    Abstract: The present invention is directed to a process for making Tetracyclic Heterocycle Compounds of Formula (I) and pharmaceutically acceptable salts thereof, wherein X1, X2, R1, R2 and R3 are defined above herein. The present invention is also directed to compounds that are useful as synthetic intermediates in the process of the invention.
    Type: Application
    Filed: July 10, 2015
    Publication date: June 15, 2017
    Inventors: Hongming Li, Jingjun Yin, Kevin M. Belyk, Kevin R. Campos, Qinghao Chen, Alan M. Hyde, Tetsuji Itoh, Artis Klapars, Matthew Thomas Tudge, Edward Cleator, Aaron M. Dumas, Louis-Charles Campeau, Yonggang Chen, Ji Qi, Wensong Xiao
  • Patent number: 9487523
    Abstract: The invention encompasses a novel process for making piperidinone carboxamide indane and azainane derivatives, which are CGRP receptor antagonists useful for the treatment of migraine, utilizing a highly effective spiroacid synthesis.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: November 8, 2016
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kevin M. Belyk, Edward Cleator, Shen-Chun Kuo, Peter Emmanuel Maligres, Bangping Xiang, Nobuyoshi Yasuda, Jianguo Yin
  • Publication number: 20160311781
    Abstract: The present invention is directed to a process for making Substituted Quinazoline Compounds of formula (I): which are useful for the treatment and prophylaxis of HCMV infection. The present invention is also directed to compounds that are useful as synthetic intermediates for making the compounds of formula (I).
    Type: Application
    Filed: December 8, 2014
    Publication date: October 27, 2016
    Inventors: Michael Luzung, Guy Humphrey, Bangping Xiang, Kevin M. Belyk, Stephen Mark Dalby, Wilfried Schwab, Burkhard Klenke, Tom Moody, Gareth Brown
  • Patent number: 9139585
    Abstract: This invention relates to compounds of Formula I-VI having the following general structure: and pharmaceutically acceptable salts thereof which are inhibitors of the Renal Outer Medullary Potassium (ROMK) channel (Kir1.1). The compounds are useful as diuretics and natriuretics and therefore are useful for the therapy and prophylaxis of disorders resulting from excessive salt and water retention, including cardiovascular diseases such as hypertension and chronic and acute heart failure.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: September 22, 2015
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Shawn P. Walsh, Alexander Pasternak, Reynalda K. DeJesus, Haifeng Tang, Barbara Pio, Aurash Shahripour, Kevin M. Belyk, Harry R. Chobanian, Yan Guo, Jessica L. Frie, Zhi-Cai Shi, Helen Chen, Timothy A. Blizzard, Brian Cato
  • Publication number: 20150038707
    Abstract: Methods for preventing pest infestations are disclosed. In some embodiments, the methods for preventing infestations involve use of pyrethroid insecticides or the stereoisomers or salts thereof.
    Type: Application
    Filed: September 19, 2013
    Publication date: February 5, 2015
    Inventors: Kevin M. Belyk, Edward Cleator, Shen-Chun Kuo, Peter Emmanuel Maligres, Bangping Xiang, Nobuyoshi Yasuda, Jianguo Yin
  • Publication number: 20140309213
    Abstract: This invention relates to compounds of Formula I-VI having the following general structure: Z1—Y1—(CH2)n1—R—(CH2)n2—Y2—Z2 wherein R is a 6-8 membered saturated heterocyclic ring having 2 Nitrogen atoms connected with —(CH2)n1— and —(CH2)n2—, respectively, and pharmaceutically acceptable salts thereof which are inhibitors of the Renal Outer Medullary Potassium (ROMK) channel (Kir1.1). The compounds are useful as diuretics and natriuretics and therefore are useful for the therapy and prophylaxis of disorders resulting from excessive salt and water retention, including cardiovascular diseases such as hypertension and chronic and acute heart failure.
    Type: Application
    Filed: October 25, 2012
    Publication date: October 16, 2014
    Inventors: Shawn P. Walsh, Alexander Pasternak, Reynalda K. DeJesus, Haifeng Tang, Barbara Pio, Aurash Shahripour, Kevin M. Belyk, Harry R. Chobanian, Yan Guo, Jessica L. Frie, Zhi-Cai Shi, Helen Chen, Timothy A. Blizzard, Brian Cato
  • Patent number: 8357798
    Abstract: Potassium salts of Compound A and methods for their preparation are disclosed, wherein Compound A is of formula: Compound A is an HIV integrase inhibitor useful for treating or prophylaxis of HIV infection, for delaying the onset of AIDS, and for treating or prophylaxis of AIDS.
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: January 22, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kevin M. Belyk, Henry G. Morrison, Philip Jones, Vincenzo Summa, V. Brett Cooper, Amar J. Mahajan, Daniel J. Kumke, Hsien-Hsin Tung, Lawrence Wai, Vanessa Pruzinsky, Philip Pye, Remy Angelaud, Danny Mancheno
  • Patent number: 7754731
    Abstract: Potassium salts of Compound A and methods for their preparation are disclosed, wherein Compound A is of formula: Compound A is an HIV integrase inhibitor useful for treating or prophylaxis of HIV infection, for delaying the onset of AIDS, and for treating or prophylaxis of AIDS.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: July 13, 2010
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kevin M. Belyk, Henry G. Morrison, Amar J. Mahajan, Daniel J. Kumke, Hsien-Hsin Tung, Lawrence Wai, Vanessa Pruzinsky
  • Patent number: 7214768
    Abstract: This invention relates to an improved process for the minimization of acid-catalyzed reactions of certain echinocandins of the kind disclosed in U.S. Pat. No. 5,378,804. The process involves the use of a boronic acid.
    Type: Grant
    Filed: April 8, 2002
    Date of Patent: May 8, 2007
    Assignee: Merck & Co., Inc.
    Inventors: Kevin M. Belyk, William R. Leonard
  • Publication number: 20040158034
    Abstract: This invention relates to an improved process for the minimization of acid-catalyzed reactions of certain echinocandins of the kind disclosed in U.S. Pat. No. 5,378,804. The process involves the use of a boronic acid.
    Type: Application
    Filed: October 10, 2003
    Publication date: August 12, 2004
    Inventors: Kevin M. Belyk, William R. Leonard