Patents by Inventor Ivan Viktorovich Efremov

Ivan Viktorovich Efremov 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: 20240139163
    Abstract: The invention relates to modulators of Embryonic Ectoderm Development (EED) and/or Polycomb Repressive Complex 2 (PRC2) useful in the treatment of disorders and diseases associated with EEC and PRC2, being macrocyclic azolopyridine derivatives and compositions thereof of Formula I: or a pharmaceutically acceptable salt, prodrug, solvate, hydrate, enantiomer, isomer, or tautomer thereof, wherein X1, X2, X3, A1, A2, Y, R1, R2, R3, and R4 are as described herein.
    Type: Application
    Filed: December 20, 2022
    Publication date: May 2, 2024
    Inventors: Ivan Viktorovich Efremov, Steven Kazmirski, Qingyi Li, Lorin A. Thompson, III, Owen Brendan Wallace, Shawn Donald Johnstone, Feng Zhou, Peter Rahl
  • Patent number: 11964961
    Abstract: The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds or salts, and their uses for treating D1-mediated (or D1-associated) disorders including, e.g., schizophrenia (e.g., its cognitive and negative symptoms), cognitive impairment (e.g.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: April 23, 2024
    Assignee: Pfizer Inc.
    Inventors: Michael Aaron Brodney, Jennifer Elizabeth Davoren, Amy Beth Dounay, Ivan Viktorovich Efremov, David Lawrence Firman Gray, Michael Eric Green, Jaclyn Louise Henderson, Chewah Lee, Scot Richard Mente, Steven Victor O'Neil, Bruce Nelsen Rogers, Lei Zhang
  • Publication number: 20230250100
    Abstract: The present invention relates to methods of using compounds of Formula I, wherein R1a, R1b, R2, R3, R4, W, Y, and Z are as described herein, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compound, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Application
    Filed: April 13, 2023
    Publication date: August 10, 2023
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Daniel Elbaum, Lori Krim Gavrin, Ivan Viktorovich Efremov
  • Patent number: 11590111
    Abstract: The invention relates to modulators of Embryonic Ectoderm Development (EED) and/or Polycomb Repressive Complex 2 (PRC2) useful in the treatment of disorders and diseases associated with EEC and PRC2, being macrocyclic azolopyridine derivatives and compositions thereof of Formula I: or a pharmaceutically acceptable salt, prodrug, solvate, hydrate, enantiomer, isomer, or tautomer thereof, wherein X1, X2, X3, A1, A2, Y, R1, R2, R3, and R4 are as described herein.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: February 28, 2023
    Assignee: Fulcrum Therapeutics, Inc.
    Inventors: Ivan Viktorovich Efremov, Steven Kazmirski, Qingyi Li, Lorin A. Thompson, III, Owen Brendan Wallace, Shawn Donald Johnstone, Feng Zhou, Peter Rahl
  • Publication number: 20220160686
    Abstract: The invention relates to modulators of Embryonic Ectoderm Development (EED) and/or Polycomb Repressive Complex 2 (PRC2) useful in the treatment of disorders and diseases associated with EEC and PRC2, being macrocyclic azolopyridine derivatives and compositions thereof of Formula I: or a pharmaceutically acceptable salt, prodrug, solvate, hydrate, enantiomer, isomer, or tautomer thereof, wherein X1, X2, X3, A1, A2, Y, R1, R2, R3, and R4 are as described herein.
    Type: Application
    Filed: February 18, 2021
    Publication date: May 26, 2022
    Inventors: Ivan Viktorovich Efremov, Steven Kazmirski, Qingyi Li, Lorin A. Thompson, III, Owen Brendan Wallace, Shawn Donald Johnstone, Feng Zhou, Peter Rahl
  • Patent number: 11197867
    Abstract: A compound compound having the structure: or a pharmaceutically acceptable salt thereof, wherein X is N or CR, where R is hydrogen, deuterium, C1-C4 alkyl, C1-C4 alkoxy, C3-C6 cycloalkyl, aryl, heteroaryl, aryl(C1-C6 alkyl), CN, amino, alkylamino, dialkylamino, CF3, or hydroxyl; A is selected from the group consisting of a bond, C?O, —SO2—, —(C?O)NR0—, and —(CRaRb)q—, where R0 is H or C1-C4 alkyl, and Ra and Rb are independently hydrogen, deuterium, C1-C6 alkyl, C3-C6 cycloalkyl, aryl, aryl(C1-C6 alkyl), heteroaryl, (C1-C6 alkyl)heteroaryl, etc.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: December 14, 2021
    Assignee: Pfizer Inc.
    Inventors: Andrew Fensome, Ariamala Gopalsamy, Brian S. Gerstenberger, Ivan Viktorovich Efremov, Zhao-Kui Wan, Betsy Pierce, Jean-Baptiste Telliez, John I. Trujillo, Liying Zhang, Li Xing, Eddine Saiah
  • Publication number: 20210377495
    Abstract: Methods of treatment as Janus Kinase inhibitors containing the compound of the invention having the structure: or a pharmaceutically acceptable salt thereof, wherein X is N; A is selected from the group consisting of a bond and C?O; R1 is C3-C6 cycloalkyl, wherein said cycloalkyl is further optionally substituted with one or more halo; R2 is hydrogen; R3 is hydrogen; R4 is monocyclic heteroaryl wherein said heteroaryl is optionally substituted with one or more C1-C6 alkyl; and, R5 is hydrogen; and, j is 0 or 1.
    Type: Application
    Filed: August 6, 2021
    Publication date: December 2, 2021
    Applicant: Pfizer Inc.
    Inventors: Andrew FENSOME, Ariamala GOPALSAMY, Brian S. GERSTENBERGER, Ivan Viktorovich EFREMOV, Zhao-Kui WAN, Betsy PIERCE, Jean-Baptiste TELLIEZ, John I. TRUJILLO, Liying ZHANG, Li XING, Eddine SAIAH
  • Publication number: 20210300899
    Abstract: The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds or salts, and their uses for treating D1-mediated (or D1-associated) disorders including, e.g., schizophrenia (e.g., its cognitive and negative symptoms), cognitive impairment (e.g.
    Type: Application
    Filed: March 17, 2021
    Publication date: September 30, 2021
    Inventors: Michael Aaron Brodney, Jennifer Elizabeth Davoren, Amy Beth Dounay, Ivan Viktorovich Efremov, David Lawrence Firman Gray, Michael Eric Green, Jaclyn Louise Henderson, Chewah Lee, Scot Richard Mente, Steven Victor O'Neil, Bruce Nelsen Rogers, Lei Zhang
  • Publication number: 20210171534
    Abstract: The present invention relates to methods of using compounds of Formula I, wherein R1a, R1b, R2, R3, R4, W, Y, and Z are as described herein, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compound, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Application
    Filed: February 18, 2021
    Publication date: June 10, 2021
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Daniel Elbaum, Lori Krim Gavrin, Ivan Viktorovich Efremov
  • Patent number: 11014909
    Abstract: The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds or salts, and their uses for treating D1-mediated (or D1-associated) disorders including, e.g., schizophrenia (e.g., its cognitive and negative symptoms), cognitive impairment (e.g., cognitive impairment associated with schizophrenia, AD, PD, or pharmacotherapy therapy), Parkinson's disease and chronic apathy.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: May 25, 2021
    Assignee: Pfizer Inc.
    Inventors: Michael Aaron Brodney, Jennifer Elizabeth Davoren, Amy Beth Dounay, Ivan Viktorovich Efremov, David Lawrence Firman Gray, Michael Eric Green, Jaclyn Louise Henderson, Chewah Lee, Scot Richard Mente, Steven Victor O'Neil, Bruce Nelsen Rogers, Lei Zhang
  • Patent number: 10980815
    Abstract: A compound having the structure: or an acceptable salt thereof, wherein X is N or CR, where R is hydrogen, alkyl, etc.; A is selected from the group consisting of a bond, C?O, —SO2—, etc.; A? is selected from the group consisting of a bond, C?O, etc.; Z is —(CH2)h— or a bond, etc.; R1 and R1? are independently selected from the group consisting of hydrogen, alkyl, etc.; R2 is selected from hydrogen, alkyl, etc.; R3 is selected from the group consisting of hydrogen, and amino; R4 is monocyclic or bicyclic, etc.; R5 is independently selected from hydrogen, alkyl, etc.; h, j, k, m, n and q are integers as defined in the specification. Also provided are methods of treatment as Janus Kinase inhibitors and pharmaceutical compositions containing the compounds of the invention and combinations with other therapeutic agents.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: April 20, 2021
    Assignee: Pfizer Inc.
    Inventors: Andrew Fensome, Ariamala Gopalsamy, Brian S. Gerstenberger, Ivan Viktorovich Efremov, Zhao-Kui Wan, Betsy Pierce, Jean-Baptiste Telliez, John I. Trujillo, Liying Zhang, Li Xing, Eddine Saiah
  • Patent number: 10973805
    Abstract: The invention relates to modulators of Embryonic Ectoderm Development (EED) and/or Polycomb Repressive Complex 2 (PRC2) useful in the treatment of disorders and diseases associated with EEC and PRC2, being macrocyclic azolopyridine derivatives and compositions thereof of Formula I: or a pharmaceutically acceptable salt, prodrug, solvate, hydrate, enantiomer, isomer, or tautomer thereof, wherein X1, X2, X3, A1, A2, Y, R1, R2, R3, and R4 are as described herein.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: April 13, 2021
    Assignee: Fulcrum Therapeutics, Inc.
    Inventors: Ivan Viktorovich Efremov, Steven Kazmirski, Qingyi Li, Lorin A. Thompson, III, Owen Brendan Wallace, Shawn Donald Johnstone, Feng Zhou, Peter Rahl
  • Publication number: 20200360353
    Abstract: The invention relates to modulators of Embryonic Ectoderm Development (EED) and/or Polycomb Repressive Complex 2 (PRC2) useful in the treatment of disorders and diseases associated with EEC and PRC2, being macrocyclic azolopyridine derivatives and compositions thereof of Formula I or a pharmaceutically acceptable salt, prodrug, solvate, hydrate, enantiomer, isomer, or tautomer thereof, wherein X1, X2, X3, A1, A2, Y, R1, R2, R3, and R4 are as described herein.
    Type: Application
    Filed: April 24, 2020
    Publication date: November 19, 2020
    Inventors: Ivan Viktorovich EFREMOV, Steven KAZMIRSKI, Qingyi LI, Lorin A. THOMPSON, III, Owen Brendan WALLACE, Shawn Donald JOHNSTONE, Feng ZHOU, Peter RAHL
  • Publication number: 20200330477
    Abstract: A compound compound having the structure: or a pharmaceutically acceptable salt thereof, wherein X is N or CR, where R is hydrogen, deuterium, C1-C4 alkyl, C1-C4 alkoxy, C3-C6 cycloalkyl, aryl, heteroaryl, aryl(C1-C6 alkyl), CN, amino, alkylamino, dialkylamino, CF3, or hydroxyl; A is selected from the group consisting of a bond, C?O, —SO2—, —(C?O)NR0—, and —(CRaRb)q—, where R0 is H or C1-C4 alkyl, and Ra and Rb are independently hydrogen, deuterium, C1-C6 alkyl, C3-C6 cycloalkyl, aryl, aryl(C1-C6 alkyl), heteroaryl, (C1-C6 alkyl)heteroaryl, etc.
    Type: Application
    Filed: July 2, 2020
    Publication date: October 22, 2020
    Applicant: Pfizer Inc.
    Inventors: Andrew FENSOME, Ariamala GOPALSAMY, Brian S. GERSTENBERGER, Ivan Viktorovich EFREMOV, Zhao-Kui WAN, Betsy PIERCE, Jean-Baptiste TELLIEZ, John I. TRUJILLO, Liying ZHANG, Li XING, Eddine SAIAH
  • Publication number: 20200283407
    Abstract: The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds or salts, and their uses for treating D1-mediated (or D1-associated) disorders including, e.g., schizophrenia (e.g., its cognitive and negative symptoms), cognitive impairment (e.g., cognitive impairment associated with schizophrenia, AD, PD, or pharmacotherapy therapy), Parkinson's disease and chronic apathy.
    Type: Application
    Filed: May 21, 2020
    Publication date: September 10, 2020
    Inventors: Michael Aaron Brodney, Jennifer Elizabeth Davoren, Amy Beth Dounay, Ivan Viktorovich Efremov, David Lawrence Firman Gray, Michael Eric Green, Jaclyn Louise Henderson, Chewah Lee, Scot Richard Mente, Steven Victor O'Neil, Bruce Nelsen Rogers, Lei Zhang
  • Patent number: 10766904
    Abstract: The present invention relates to 5,7-disubstituted-imidazo[5,1-f][1,2,4]triazine-4-amine derivatives, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compounds, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: September 8, 2020
    Assignee: Cystic Fibrosis Foundation
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, John James Mousseau, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Ivan Viktorovich Efremov
  • Patent number: 10696658
    Abstract: The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds or salts, and their uses for treating D1-mediated (or D1-associated) disorders including, e.g., schizophrenia (e.g., its cognitive and negative symptoms), cognitive impairment (e.g., cognitive impairment associated with schizophrenia, AD, PD, or pharmacotherapy therapy), and Parkinson's disease.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: June 30, 2020
    Assignee: Pfizer Inc.
    Inventors: Michael Aaron Brodney, Jennifer Elizabeth Davoren, Amy Beth Dounay, Ivan Viktorovich Efremov, David Lawrence Firman Gray, Michael Eric Green, Jaclyn Louise Henderson, Chewah Lee, Scot Richard Mente, Steven Victor O'Neil, Bruce Nelsen Rogers, Lei Zhang
  • Publication number: 20200038409
    Abstract: A compound having the structure: or a pharmaceutically acceptable salt thereof, wherein X is N or CR, where R is hydrogen, deuterium, C1-C4 alkyl, C1-C4 alkoxy, C3-C6 cycloalkyl, aryl, heteroaryl, aryl(C1-C6 alkyl), CN, amino, alkylamino, dialkylamino, CF3, or hydroxyl; A is selected from the group consisting of a bond, C?O, —SO2—, —(C?O)NR0—, and —(CRaRb)q—, where R0 is H or C1-C4 alkyl, and Ra and Rb are independently hydrogen, deuterium, C1-C6 alkyl, C3-C6 cycloalkyl, aryl, aryl(C1-C6 alkyl), heteroaryl, (C1-C6 alkyl)heteroaryl, etc.
    Type: Application
    Filed: September 24, 2019
    Publication date: February 6, 2020
    Applicant: Pfizer Inc.
    Inventors: Andrew FENSOME, Ariamala GOPALSAMY, Brian S. GERSTENBERGER, Ivan Viktorovich EFREMOV, Zhao-Kui WAN, Betsy PIERCE, Jean-Baptiste TELLIEZ, John I. TRUJILLO, Liying ZHANG, Li XING, Eddine SAIAH
  • Publication number: 20200017512
    Abstract: The present invention relates to methods of using compounds of Formula I, wherein R1a, R1b, R2, R3, R4, W, Y, and Z are as described herein, and pharmaceutically acceptable salts thereof. The compounds are potentiators of Cystic Fibrosis Transmembrane conductance Regulator (CFTR). The invention also discloses pharmaceutical compositions comprising the compound, optionally in combination with additional therapeutic agents, and methods of potentiating, in mammals, including humans, CFTR by administration of the compounds. These compounds are useful for the treatment of cystic fibrosis (CF), asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), constipation, Diabetes mellitus, dry eye disease, pancreatitis, rhinosinusitis, Sjögren's Syndrome, and other CFTR associated disorders.
    Type: Application
    Filed: September 20, 2019
    Publication date: January 16, 2020
    Inventors: Joseph Walter Strohbach, David Christopher Limburg, John Paul Mathias, Atli Thorarensen, Rajiah Aldrin Denny, Christoph Wolfgang Zapf, Daniel Elbaum, Lori Krim Gavrin, Ivan Viktorovich Efremov
  • Publication number: 20190367485
    Abstract: The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds or salts, and their uses for treating D1-mediated (or D1-associated) disorders including, e.g., schizophrenia (e.g., its cognitive and negative symptoms), cognitive impairment (e.g., cognitive impairment associated with schizophrenia, AD, PD, or pharmacotherapy therapy), and Parkinson's disease.
    Type: Application
    Filed: August 13, 2019
    Publication date: December 5, 2019
    Inventors: Michael Aaron Brodney, Jennifer Elizabeth Davoren, Amy Beth Dounay, Ivan Viktorovich Efremov, David Lawrence Firman Gray, Michael Eric Green, Jaclyn Louise Henderson, Chewah Lee, Scot Richard Mente, Steven Victor O'Neil, Bruce Nelsen Rogers, Lei Zhang