Abstract: This specification generally relates to an improved method for the manufacture of 3-[(1S)-1-imidazo[1,2-a]pyridin-6-ylethyl]-5-(1-methylpyrazol-4-yl)triazolo[4,5-b]pyrazine (I), or pharmaceutically acceptable salts thereof; polymorphic forms thereof, and intermediates useful in the manufacture of such compounds and salts thereof.
Inventors:
Andrew Roy Turner, Andrew Timothy Turner, Gareth Paul Howell, Malcolm Allan Young Gall, Keith Raymond Mulholland, Neil Keith Adlington, Zhenping Tian, Bo Liu, Qisun Gong, Wei Yu
Abstract: The present disclosure relates to processes for preparing 64(3s,4s)-4-methyl-1-(pyrimidin-2-ylmethyl)pyrrolidin-3-yl)-3-(tetrahydropyran-4-yl-7h-imidazo[1,5-a]pyrazin-8-one.
Abstract: The present invention provides salts and crystalline forms of Linsitinib (OSI-906; cis-3-[8-amino-1-(2-phenyl-7-quinolinyl)imidazo[1,5-a]pyrazin-3-yl]-1-methyl-cyclobutanol). These forms of Linsitinib provide increased solubility and improved pharmacokinetic profiles for orally administered pharmaceutical formulations. Accordingly, the invention enables improved methods for treating human insulin-like growth factor-1 receptor (IGF-1R) and insulin receptor (IR) mediated conditions.
Abstract: Provided are certain triazolopyridines and triazolopyrazines of Formula 1, wherein X, Y, R1, R2, R3, R4 and R5 have any of the meanings described herein; processes for their preparation, pharmaceutical compositions containing them, and their use in the treatment of cell proliferative disorders.
Abstract: Described are processes for preparing substituted imidazo[1,2-a]pyrazine compounds of formula (I): by reacting a compound of formula (xi): with carbonyldiimidazole to form the compound of formula (I).
Type:
Grant
Filed:
April 26, 2021
Date of Patent:
October 10, 2023
Assignee:
PROMEGA CORPORATION
Inventors:
Anton Shakhmin, Thomas Kirkland, Joel Walker, Thomas Machleidt, Mary Hall, Keith V. Wood
Abstract: Compounds of general formula (I) wherein R1, R2, R3, R4, R5 and X are as defined herein are inhibitors of the epithelial sodium channel (ENaC) and are useful for the treatment or prevention respiratory diseases and conditions, skin conditions and ocular conditions.
Type:
Grant
Filed:
November 24, 2020
Date of Patent:
August 29, 2023
Assignee:
ENTERPRISE THERAPEUTICS LIMITED
Inventors:
Clive McCarthy, Jonathan David Hargrave, Duncan Alexander Hay, Thomas Beauregard Schofield, Naomi Went
Abstract: A method for treating and/or preventing polycystic ovary syndrome (PCOS) including the administration, to a patient in need thereof, of a pharmaceutically effective amount of a compound of Formula I or a pharmaceutically acceptable solvate thereof.
Type:
Grant
Filed:
October 8, 2020
Date of Patent:
August 22, 2023
Assignee:
Ogeda SA
Inventors:
Hamid R. Hoveyda, Guillaume Dutheuil, Graeme Fraser
Abstract: Polymorphs of a bis-mesylate salt of a compound of Formula IA: are provided. Also provided are process for making the polymorphs and methods of use thereof.
Type:
Grant
Filed:
August 10, 2018
Date of Patent:
July 12, 2022
Assignee:
Kronos Bio, Inc.
Inventors:
Tim G. Elford, Peter Chee-Chu Fung, Paul Robert Hartmeier, Jesper Alexis Jernelius, Henry Morrison
Abstract: The present invention relates a process for the synthesis of 6-((3S,4S)-4-methyl-1-(pyrimidin-2 ylmethyl)pyrrolidin-3-yl)-3-tetrahydropyran-4-yl-7H-imidazo[1,5-a]pyrazin-8-one, comprising use of the chiral acid (+)-O,O-Dibenzoyl-D-tartaic acid.
Abstract: The present disclosure is directed to methods of treating or ameliorating various conditions by the administration of a BCN057, BCN512 or analogs of these compounds. The compounds can be used to reduce tumor burden in cancers, including pancreatic cancer and gastrointestinal (GI) cancer. The compounds can also be used to protect against chemotherapy induced toxicity to the GI tract. Further, they can be used to treat fibrosis and various inflammatory conditions. Analogs of BCN057 and BCN512 are also described.
Abstract: A preparation method for a compound represented by formula I or a pharmaceutically acceptable salt thereof, The method includes a step of reacting a compound represented by formula II with an inorganic or organic acid selected from the group consisting of hydrochloric acid, phosphoric acid and maleic acid to provide a compound represented by formula II? In the above formulas II and II?, R1 may be trifluoromethyl; and X may be hydrochloric acid, phosphoric acid, or maleic acid. The method also includes a step of reacting the compound represented by formula II? with a compound represented by formula IV: to provide the compound represented by formula I, wherein Ra is selected from hydroxyl, halogen or alkoxy.
Abstract: Provided herein are Heteroaryl Compounds having the following structure: wherein R1-R4 are as defined herein, compositions comprising an effective amount of a Heteroaryl Compound and methods for treating or preventing cancer, inflammatory conditions, immunological conditions, neurodegenerative diseases, diabetes, obesity, neurological disorders, age-related diseases, or cardiovascular conditions, comprising administering an effective amount of a Heteroaryl Compound to a patient in need thereof. Further provided herein are methods for preparing a compound of formula (I), the method comprising contacting a compound of formula (III) with a compound of the following formula: R1-Y, in a solvent, in the presence of a palladium catalyst, wherein said contacting occurs in the presence of a base, wherein R1-R4, Y, the palladium catalyst and the base are as defined herein.
Type:
Grant
Filed:
May 4, 2020
Date of Patent:
April 5, 2022
Assignee:
Signal Pharmaceuticals, LLC
Inventors:
Jan Elsner, Roy L. Harris, Branden Gingsee Lee, Deborah Mortensen, Garrick K. Packard, Patrick Papa, Jason Parnes, Sophie Perrin-Ninkovic, Jennifer Riggs, John Sapienza, Graziella I. Shevlin, Lida Tehrani, Jingjing Zhao
Abstract: Object of the present invention is an efficient process for the preparation of the active pharmaceutical ingredient Sitagliptine and the 2,4,5-trifluorophenylacetic acid (TFAA) and salt thereof, which is a key intermediate for the synthesis of Sitagliptine.
Type:
Grant
Filed:
January 11, 2019
Date of Patent:
November 16, 2021
Assignee:
F.I.S.—FABBRICA ITALIANA SINTETICI S.P.A.
Inventors:
Terry Shi, Sam Lou, Ottorino De Lucchi, Pierluigi Padovan
Abstract: Disclosed are compounds of the formula (I) wherein the groups R1 to R3 have the meanings given in the claims and in the specification. The compounds of the invention are suitable for the treatment of diseases characterized by excessive or abnormal cell proliferation pharmaceutical preparations containing such compounds and their uses as a medicament.
Type:
Grant
Filed:
April 19, 2019
Date of Patent:
August 3, 2021
Inventors:
Harald Engelhardt, Davide Gianni, Christian Smethurst
Abstract: Described are substituted imidazo[1,2-a]pyrazine compounds, which are coelenterazine analogues, kits comprising the compounds, and methods of using the compounds for the detection of luminescence in luciferase-based assays. Also described are methods of making the compounds, such as a method using aminopyrazine acetophosphonates as synthesis intermediates.
Type:
Grant
Filed:
May 4, 2020
Date of Patent:
May 25, 2021
Assignee:
PROMEGA CORPORATION
Inventors:
Anton Shakhmin, Thomas Kirkland, Joel Walker, Thomas Machleidt, Mary Hall, Keith V. Wood
Abstract: Crystalline forms of ACP-196, preparation methods, pharmaceutical compositions and uses thereof in the preparation of drugs for treatment and/or prevention of Bruton's tyrosine kinase (BTK)-mediated disorders such as autoimmune diseases or disorders, heteroimmune diseases or disorders, cancers including lymphoma and inflammatory diseases or disorders. As compared with the known solid form of ACP-196, the crystalline forms of the present invention have advantages in crystallinity.
Abstract: A method for treating and/or preventing polycystic ovary syndrome (PCOS) including the administration, to a patient in need thereof, of a pharmaceutically effective amount of a compound of Formula I or a pharmaceutically acceptable solvate thereof.
Abstract: The present invention provides processes for the preparation of Acalabrutinib (1), as well as intermediates useful in the preparation thereof. In particular, processes are provided for coupling of a compound of Formula (5) and 2-butynoic acid in the presence of Carbodiimide (8) to afford Acalabrutinib (1).
Type:
Grant
Filed:
April 17, 2018
Date of Patent:
October 13, 2020
Assignee:
Apotex Inc.
Inventors:
Prabhudas Bodhuri, Boris Gorin, Melanie R. A. Green, Gamini Weeratunga
Abstract: The present invention provides compounds of formula I: which are useful as modulators of GPR6, pharmaceutical compositions thereof, methods for treatment of conditions associated with GPR6, processes for making the compounds and intermediates thereof.
Type:
Grant
Filed:
August 7, 2018
Date of Patent:
August 11, 2020
Assignee:
Takeda Pharmaceutical Company Limited
Inventors:
Jason W. Brown, Stephen Hitchcock, Maria Hopkins, Shota Kikuchi, Holger Monenschein, Holly Reichard, Kristin Schleicher, Huikai Sun, Todd Macklin
Abstract: Provided herein are Heteroaryl Compounds having the following structure: wherein R1-R4 are as defined herein, compositions comprising an effective amount of a Heteroaryl Compound and methods for treating or preventing cancer, inflammatory conditions, immunological conditions, neurodegenerative diseases, diabetes, obesity, neurological disorders, age-related diseases, or cardiovascular conditions, comprising administering an effective amount of a Heteroaryl Compound to a patient in need thereof.
Type:
Grant
Filed:
November 12, 2018
Date of Patent:
June 16, 2020
Assignee:
Signal Pharmaceuticals, LLC
Inventors:
Jan Elsner, Roy L. Harris, Branden Gingsee Lee, Deborah Mortensen, Garrick K. Packard, Patrick Papa, Jason Parnes, Sophie Perrin-Ninkovic, Jennifer Riggs, John Sapienza, Graziella I. Shevlin, Lida Tehrani, Jingjing Zhao
Abstract: Described are substituted imidazo[1,2-a]pyrazine compounds, which are coelenterazine analogues, kits comprising the compounds, and methods of using the compounds for the detection of luminescence in luciferase-based assays. Also described are methods from making the compounds, such as a method using aminopyrazine acetophosphonates as synthesis intermediates.
Type:
Grant
Filed:
April 22, 2019
Date of Patent:
June 2, 2020
Assignee:
PROMEGA CORPORATION
Inventors:
Anton Shakhmin, Thomas Kirkland, Joel Walker, Thomas Machleidt, Mary Hall, Keith V. Wood
Abstract: The present invention relates to novel 6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one derivatives as negative allosteric modulators (NAMs) of the metabotropic glutamate receptor subtype 2 (“mGluR2”). The invention is also directed to pharmaceutical compositions comprising such compounds, to processes for preparing such compounds and compositions, and to the use of such compounds and compositions for the prevention or treatment of disorders in which the mGluR2 subtype of metabotropic receptors is involved.
Type:
Grant
Filed:
September 6, 2018
Date of Patent:
March 10, 2020
Assignee:
Janssen Pharmaceuticals NV
Inventors:
Sergio-Alvar Alonso-de Diego, José Maria Cid-Núñez, Óscar Delgado-González, Annelies Marie Antonius Decorte, Michiel Luc Maria Van Gool, Gregor James MacDonald, Antonius Adrianus Hendrikus Petrus Megens, Andrés Avelino Trabanco-Suárez, Aránzazu García-Molina, José Ignacio Andrés-Gil
Abstract: Described are coelenterazine analogues, methods for making the analogues, kits comprising the analogues, and methods of using the compounds for the detection of luminescence in luciferase-based assays.
Type:
Grant
Filed:
December 1, 2017
Date of Patent:
March 3, 2020
Assignee:
PROMEGA CORPORATION
Inventors:
Mary Hall, Thomas Kirkland, Poncho Meisenheimer, Rachel Friedman Ohana, Anton Shakhmin, Joel R. Walker, Wenhui Zhou
Abstract: The present invention is directed to imidazo[1,2-a]pyrazine derivatives of Formula I, or a pharmaceutically acceptable salt thereof, which are LSD1 inhibitors useful in the treatment of diseases such as cancer.
Type:
Grant
Filed:
September 13, 2018
Date of Patent:
February 11, 2020
Assignee:
Incyte Corporation
Inventors:
Liangxing Wu, Joel R. Courter, Chunhong He, Jingwei Li, Liang Lu, Yaping Sun, Xiaozhao Wang, Wenqing Yao, Colin Zhang, Jincong Zhuo
Abstract: Disclosed is a compound of Formula 1, and a pharmaceutically acceptable salt thereof. This disclosure also relates to materials and methods for preparing the compound of Formula 1, to pharmaceutical compositions which contain it, and to its use for treating diseases, disorders, and conditions associated with GPR6.
Type:
Grant
Filed:
June 15, 2018
Date of Patent:
September 10, 2019
Assignee:
Takeda Pharmaceutical Company Limited
Inventors:
Jason W. Brown, Stephen Hitchcock, Maria Hopkins, Shota Kikuchi, Holger Monenschein, Holly Reichard, Kristin Schleicher, Huikai Sun, Todd Macklin
Abstract: Method for treating AML and MM by administration of a compound of the formula (I) wherein the groups R1 to R3 have the meanings given in the specification.
Type:
Grant
Filed:
January 14, 2016
Date of Patent:
June 25, 2019
Assignee:
Boehringer Ingelheim International GmbH
Inventors:
Harald Engelhardt, Davide Gianni, Christian Smethurst
Abstract: Described are substituted imidazo[1,2-a]pyrazine compounds of formula (I), which are coelenterazine analogs, methods for making the compounds, kits comprising the compounds, and methods of using the compounds for the detection of luminescence in luciferase-based assays.
Type:
Grant
Filed:
November 1, 2017
Date of Patent:
May 7, 2019
Assignee:
Promega Corporation
Inventors:
Mary Hall, Thomas Kirkland, Thomas Machleidt, Anton Shakhmin, Joel R. Walker, Keith V. Wood, Wenhui Zhou
Abstract: The present invention relates to substituted 4,5,6,7-tetrahydro-pyrazolo[1,5-a]pyrazine derivatives and 5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine derivatives of formula (I) wherein the variables have the meaning defined in the claims. The compounds according to the present invention are useful as ROS1 inhibitors. The invention further relates to processes for preparing such novel compounds, pharmaceutical compositions comprising said compounds as an active ingredient as well as the use of said compounds as a medicament.
Type:
Grant
Filed:
March 26, 2015
Date of Patent:
May 7, 2019
Assignee:
Janssen Pharmaceutica NV
Inventors:
Laurence Anne Mevellec, Elisabeth Therese Jeanne Pasquier, Sophie Descamps, Guillaume Jean Maurice Mercey, Berthold Wroblowski, Jorge Eduardo Vialard, Lieven Meerpoel, Matthieu Ludovic Jeanty, Thierry Francois Alain Jean Jousseaume
Abstract: A method for treating and/or preventing polycystic ovary syndrome (PCOS) including the administration, to a patient in need thereof, of a pharmaceutically effective amount of a compound of Formula I or a pharmaceutically acceptable solvate thereof.
Abstract: Provided herein are methods for the preparation of substituted pyrazino[2,3-b]pyrazines of the formula (II): the method comprising contacting a compound of formula (VI): with R1—Y in a solvent, in the presence of a palladium catalyst, wherein said contacting occurs in the presence of a base, wherein R1-R3, Y, the palladium catalyst and the base are as defined herein.
Type:
Grant
Filed:
August 18, 2017
Date of Patent:
January 1, 2019
Assignee:
Signal Pharmaceuticals, LLC
Inventors:
Jan Elsner, Roy L. Harris, Branden Gingsee Lee, Deborah Mortensen, Garrick K. Packard, Patrick Papa, Jason Parnes, Sophie Perrin-Ninkovic, Jennifer Riggs, John Sapienza, Graziella I. Shevlin, Lida Tehrani, Jingjing Zhao
Abstract: The present invention pertains generally to the field of therapeutic compounds. More specifically the present invention pertains to certain 1-(5-tert-butyl-2-aryl-pyrazol-3-yl)-3-[2-fluoro-4-[(3-oxo-4H-pyrido[2,3-b]pyrazin-8-yl)oxy]phenyl]urea compounds (referred herein as “TBAP compounds”) that, inter alia, inhibit RAF (e.g., BRAF, CRAF, etc.). The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit RAF (e.g., BRAF, CRAF, etc.); and to treat disorders including: proliferative disorders; cancer (including, e.g., malignant melanoma, colorectal carcinoma, pancreatic adenocarcinoma); inflammation; immunological disorders; viral infections; fibrotic disorders; disorders associated with a mutated form of RAF (e.g., BRAF, CRAF, etc.); disorders ameliorated by the inhibition of RAF (e.g., BRAF, CRAF, etc.
Type:
Grant
Filed:
June 29, 2017
Date of Patent:
January 1, 2019
Assignees:
CANCER RESEARCH TECHNOLOGY LIMITED, INSTITUTE OF CANCER RESEARCH: ROYAL CANCER HOSPITAL (THE)
Inventors:
Caroline Joy Springer, Richard Marais, Romina Girotti, Dan Niculescu-Duvaz, Ion Niculescu-Duvaz, Alfonso Zambon
Abstract: This application relates to compounds of Formula (I): or pharmaceutically acceptable salts or stereoisomers thereof, which are inhibitors of PI3K-? which are useful for the treatment of disorders such as autoimmune diseases, cancer, cardiovascular diseases, and neurodegenerative diseases.
Type:
Grant
Filed:
June 23, 2017
Date of Patent:
November 27, 2018
Assignee:
Incyte Corporation
Inventors:
Andrew W. Buesking, Richard B. Sparks, Andrew P. Combs, Brent Douty, Nikoo Falahatpisheh, Lixin Shao, Stacey Shepard, Eddy W. Yue
Abstract: The present invention is directed to [1,2,4]triazolo[1,5-a]pyridine and [1,2,4]triazolo[1,5-a]pyrazine derivatives of Formula I, or a pharmaceutically acceptable salt thereof, which are LSD1 inhibitors useful in the treatment of diseases such as cancer.
Type:
Grant
Filed:
June 5, 2017
Date of Patent:
November 13, 2018
Assignee:
Incyte Corporation
Inventors:
Liangxing Wu, Xiaozhao Wang, Wenqing Yao, Colin Zhang
Abstract: The present invention is directed to imidazo[1,2-a]pyrazine derivatives of Formula I, or a pharmaceutically acceptable salt thereof, which are LSD1 inhibitors useful in the treatment of diseases such as cancer.
Type:
Grant
Filed:
June 5, 2017
Date of Patent:
October 30, 2018
Assignee:
Incyte Corporation
Inventors:
Liangxing Wu, Joel R. Courter, Chunhong He, Jingwei Li, Liang Lu, Yaping Sun, Xiaozhao Wang, Wenqing Yao, Colin Zhang, Jincong Zhuo
Abstract: The present invention pertains generally to the field of organic chemical synthesis, and in particular to certain methods for the synthesis of 8-(4-aminophenyoxy)-4H-pyrido[2,3-b]pyrazin-3-one and related compounds (denoted herein as (3)) from 4-(4-aminophenyoxy)pyridine-2,3-diamine and related compounds (denoted herein as (1)), by reaction with glyoxylic acid (denoted herein as (2)). The compounds (3) are useful in the synthesis of known anti-cancer agents, such as 1-(5-tert-butyl-2-(4-methyl-phenyl)-pyrazol-3-yl)-3-[2-fluoro-4-[(3-oxo-4H-pyrido[2,3-b]pyrazin-8-yl)oxy]phenyl]urea.
Type:
Grant
Filed:
June 28, 2017
Date of Patent:
October 16, 2018
Assignees:
Cancer Research Technology Limited, Institute of Cancer Research: Royal Cancer Hosp. (The)
Inventors:
Alfonso Zambon, Dan Niculescu-Duvaz, Richard Chubb, Caroline Joy Springer
Abstract: The present invention is directed to a compound of Formula (I) and to pharmaceutical compositions comprising compounds of Formula (I). Methods of making and using the compounds of Formula (I) are also within the scope of the invention.
Type:
Grant
Filed:
April 21, 2015
Date of Patent:
August 14, 2018
Assignee:
Janssen Pharmaceutica NV
Inventors:
Michael K. Ameriks, Jason C. Rech, Brad M. Savall
Abstract: The invention relates to new pyridopyrazine derivative compounds of formula (I-A) or formula (I-B): to pharmaceutical compositions comprising said compounds, to processes for the preparation of said compounds and to the use of said compounds in the treatment of diseases, e.g. cancer.
Type:
Grant
Filed:
February 9, 2016
Date of Patent:
August 14, 2018
Assignee:
ASTEX THERAPEUTICS LTD
Inventors:
Valerio Berdini, Gordon Saxty, Patrick Rene Angibaud, Olivier Alexis Georges Querolle, Virginie Sophie Poncelet, Bruno Roux, Lieven Meerpoel
Abstract: The present invention discloses certain new solid state forms of (S)-4-amino-N-(1-(4-chlorophenyl)-3-hydroxypropyl)-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)piperidine-4-carboxamide, processes for preparing such forms, pharmaceutical compositions comprising them, and the use of such forms in therapy.
Abstract: The present invention relates to novel 6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one derivatives as negative allosteric modulators (NAMs) of the metabotropic glutamate receptor subtype 2 (“mGluR2”). The invention is also directed to pharmaceutical compositions comprising such compounds, to processes for preparing such compounds and compositions, and to the use of such compounds and compositions for the prevention or treatment of disorders in which the mGluR2 subtype of metabotropic receptors is involved.
Type:
Grant
Filed:
July 30, 2015
Date of Patent:
July 10, 2018
Assignee:
Janssen Pharmaceutica NV
Inventors:
Susana Conde-Ceide, Michiel Luc Maria Van Gool, Maria Luz Martin-Martin
Abstract: The invention relates to new pyridopyrazine derivative compounds of formula (I-A) or formula (I-B): to pharmaceutical compositions comprising said compounds, to processes for the preparation of said compounds and to the use of said compounds in the treatment of diseases, e.g. cancer.
Type:
Grant
Filed:
February 9, 2016
Date of Patent:
June 26, 2018
Assignee:
ASTEX THERAPEUTICS LTD
Inventors:
Valerio Berdini, Gordon Saxty, Patrick Rene Angibaud, Olivier Alexis Georges Querolle, Virginie Sophie Poncelet, Bruno Roux, Lieven Meerpoel
Abstract: Provided herein are methods for treating or preventing a cancer, comprising administering an effective amount of a TOR kinase inhibitor and an effective amount a second active agent to a patient having a cancer.
Type:
Grant
Filed:
July 20, 2017
Date of Patent:
June 26, 2018
Assignee:
Signal Pharmaceuticals, LLC
Inventors:
Kimberly Elizabeth Fultz, Tam Minh Tran, Shuichan Xu, Weiming Xu
Abstract: A method for treating and/or preventing hot flashes, by administering, to a patient in need thereof, of a pharmaceutically effective amount of a compound of Formula I or a pharmaceutically acceptable solvate thereof.
Abstract: Provided herein are formulations, processes, solid forms and methods of use relating to the Compound for formula 1: having the name 1-ethyl-7-(2-methyl-6-(1H-1,2,4-triazol-3-yl)pyridin-3-yl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one and tautomers thereof.
Abstract: Provided herein are formulations, processes, solid forms and methods of use relating to the compound of formula (I): having the name 1-ethyl-7-(2-methyl-6-(1H-1,2,4-triazol-3-yl)pyridin-3-yl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one and tautomers thereof.