Patents by Inventor Robert T. Yu
Robert T. Yu 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).
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Patent number: 12661410Abstract: Compounds of Formula (I) which act as protein degradation inducing moieties for proto-oncogene tyrosine-protein kinase receptor (RET), which may be either wild type RET or a mutant form of RET, are described. The compounds can be used to treat a disorder mediated by RET protein, for example a cancer or a tumor.Type: GrantFiled: February 3, 2023Date of Patent: June 23, 2026Assignee: C4 Therapeutlcs, Inc.Inventors: James A. Henderson, Christopher G. Nasveschuk, Kiel Lazarski, Victoria Garza, Moses Moustakim, Jae Young Ahn, Gesine Kerstin Veits, Morgan Welzel O'Shea, Ryan E. Michael, Jeremy L. Yap, Yanke Liang, Andrew Charles Good, Mark E. Fitzgerald, Robert T. Yu
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Patent number: 12559492Abstract: Present invention provides compounds that cause specifically the degradation of BRAF. The present compounds are useful for the treatment of various cancers.Type: GrantFiled: December 19, 2022Date of Patent: February 24, 2026Assignee: C4 Therapeutics, Inc.Inventors: Christopher G. Nasveschuk, Martin Duplessis, Mark E. Fitzgerald, Victoria Garza, Andrew Charles Good, Katrina L. Jackson, Yanke Liang, Moses Moustakim, Morgan Welzel O'Shea, Gesine Kerstin Veits, Jeremy L. Yap, Robert T. Yu, Cosimo Dolente, David Stephen Hewings, Daniel Hunziker, Bernd Kuhn, Piergiorgio Francesco Tommaso Pettazzoni, Fabienne Ricklin, Claus Riemer, Juergen Wichmann
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Publication number: 20250289827Abstract: Advantageous isolated morphic forms of (3R)-3-[6-[2-cyano-3-[[ethyl(methyl)sulfamoyl]amino]-6-fluorophenoxy]-4-oxoquinazolin-3-yl]-8-[2-[1-[3-(2,4-dioxo-1,3-diazinan-1-yl)-5-fluoro-1-methylindazol-6-yl]-4-hydroxypiperidin-4-yl]acetyl]-1-oxa-8-azaspiro[4.5]decane (Compound 1), which is a mutant BRAF degrader, and methods to prepare Compound 1 morphic forms for therapeutic applications are provided in the invention. The invention also provides improved methods for the synthesis of Compound 1, new pharmaceutical compositions comprising Compound 1, and new uses of Compound 1.Type: ApplicationFiled: May 30, 2025Publication date: September 18, 2025Applicant: C4 THERAPEUTICS, INC.Inventors: Robert T. Yu, Minsheng He, Matthew J. Schnaderbeck, Bridget Kreger, Roy Macfarlane Pollock, Siyi Jiang, Meiqi Li, Bolu Chen, Jiannan Lu
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Publication number: 20250171475Abstract: We provide diastereomerically pure or substantially diastereomerically pure activated phosphoramidochloridate morpholino nucleosides, methods of their preparation, and methods of their use in stereospecific coupling for stereospecific synthesis of diastereomerically pure phosphorodiamidate morpholino oligomers (PMOs).Type: ApplicationFiled: July 22, 2024Publication date: May 29, 2025Applicant: Eisai R&D Management Co., Ltd.Inventors: Atsushi ENDO, Robert T. YU, Francis FANG, Hyeong-wook CHOI, Mingde David SHAN
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Publication number: 20240245677Abstract: Selected BRD9 protein degradation compounds and morphic forms thereof are provided for the treatment of disorders mediated by BRD9, including but not limited to abnormal cellular proliferation.Type: ApplicationFiled: March 8, 2024Publication date: July 25, 2024Applicant: C4 THERAPEUTICS, INC.Inventors: Katrina L. Jackson, Christopher G. Nasveschuk, Rhamy Zeid, Ning Yin, Gesine Kerstin Veits, Moses Moustakim, Jeremy L. Yap, Minsheng He, Robert T. Yu, Matthew J. Schnaderbeck, Kathleen Neville, Siyi Jiang, Meiqi Li, Qianwei Liu, Manjie Zheng, Jia Li, Liwei Zhang
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Publication number: 20240199581Abstract: The present invention provides compounds or their pharmaceutically acceptable salts and their pharmaceutical compositions that can be administered to a host such as a human in need thereof for the treatment of a disorder, such as cancer, mediated by mutant BRAF. The compounds efficiently degrade Class I, II and III mutant BRAF proteins.Type: ApplicationFiled: December 8, 2023Publication date: June 20, 2024Applicant: C4 Therapeutics, Inc.Inventors: Christopher G. Nasveshuk, Katrina L. Jackson, Yanke Liang, Robert T. Yu, Martin Duplessis, Mark E. Fitzgerald, Victoria Garza, Andrew Charles Good, Morgan Welzel O'Shea, Gesine Kerstin Veits, Cosimo Dolente, David Stephen Hewings, Daniel Hunziker, Daniela Krummenacher, Piergiorgio Franceso Tommaso Pettazzoni, Juergen Wichmann
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Publication number: 20230233692Abstract: Novel compounds which act as protein degradation inducing moieties for proto-oncogene tyrosine-protein kinase receptor (RET), which may be either wild type RET or a mutant form of RET.Type: ApplicationFiled: February 3, 2023Publication date: July 27, 2023Applicant: C4 Therapeutics, Inc.Inventors: James A. Henderson, Christopher G. Naveschuk, Kiel Lazarski, Victoria Garza, Moses Moustakim, Jae Young Ahn, Gesine Kerstin Veits, Morgan Welzel O'Shea, Ryan E. Michael, Jeremy L. Yap, Yanke Liang, Andrew Charles Good, Mark E. Fitzgerald, Robert T. Yu
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Publication number: 20230145336Abstract: Present invention provides compounds that cause specifically the degradation of BRAF. The present compounds are useful for the treatment of various cancers.Type: ApplicationFiled: December 19, 2022Publication date: May 11, 2023Applicant: C4 Therapeutics, Inc.Inventors: Christopher G. Nasveschuk, Martin Duplessis, Mark E. Fitzgerald, Victoria Garza, Andrew Charles Good, Katrina L. Jackson, Yanke Liang, Moses Moustakim, Morgan Welzel O'Shea, Gesine Kerstin Veits, Jeremy L. Yap, Robert T. Yu, Cosimo Dolente, David Stephen Hewings, Daniel Hunziker, Bernd Kuhn, Piergiorgio Francesco Tommaso Pettazzoni, Fabienne Ricklin, Claus Riemer, Juergen Wichmann
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Publication number: 20210171555Abstract: We provide diastereomerically pure or substantially diastereomerically pure activated phosphoramidochloridate morpholino nucleosides, methods of their preparation, and methods of their use in stereospecific coupling for stereospecific synthesis of diastereomerically pure phosphorodiamidate morpholino oligomers (PMOs).Type: ApplicationFiled: October 28, 2020Publication date: June 10, 2021Applicant: Eisai R&D Management Co., Ltd.Inventors: Atsushi ENDO, Robert T. YU, Francis FANG, Hyeong Wook CHOI, Mingde SHAN
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Patent number: 10836784Abstract: A phosphoramidochloridate morpholino monomer of the following formula is provided:Type: GrantFiled: September 17, 2019Date of Patent: November 17, 2020Assignee: EISAI R&D MANAGEMENT CO., LTD.Inventors: Atsushi Endo, Robert T. Yu, Francis Fang, Hyeong Wook Choi, Mingde Shan
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Publication number: 20200115405Abstract: A method of preparation of stereospecific synthesis of diastereomerically pure phosphorodiamidate morpholino oligomers (PMOs) of one of the following general formulas is provided.Type: ApplicationFiled: September 17, 2019Publication date: April 16, 2020Applicant: Eisai R&D Management Co., Ltd.Inventors: Atsushi ENDO, Robert T. YU, Francis FANG, Hyeong Wook CHOI, Mingde SHAN
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Patent number: 10457698Abstract: A method of preparation of stereospecific synthesis of diastereomerically pure phosphorodiamidate morpholino oligomers (PMOs) of one of the following general formulas is provided:Type: GrantFiled: August 5, 2016Date of Patent: October 29, 2019Assignee: Eisai R&D Management Co., LtdInventors: Atsushi Endo, Robert T. Yu, Francis Fang, Hyeong Wook Choi, Mingde Shan
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Publication number: 20180222932Abstract: We provide diastereomerically pure or substantially diastereomerically pure activated phosphoramidochloridate morpholino nucleosides, methods of their preparation, and methods of their use in stereospecific coupling for stereospecific synthesis of diastereomerically pure phosphorodiamidate morpholino oligomers (PMOs).Type: ApplicationFiled: August 5, 2016Publication date: August 9, 2018Applicant: Eisai R&D Management Co., Ltd.Inventors: Atsushi Endo, Robert T. Yu, Francis Fang, Hyeong Wook Choi, Mingde Shan
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Patent number: 9663486Abstract: Embodiments of the disclosure relate to selectively substituted quinoline compounds that act as antagonists or inhibitors for Toll-like receptors 7 and/or 8, and their use in pharmaceutical compositions effective for treatment of systemic lupus erythematosus (SLE) and lupus nephritis.Type: GrantFiled: October 14, 2014Date of Patent: May 30, 2017Assignee: Eisai R&D Management Co., Ltd.Inventors: Roch Boivin, Hans Hansen, Sally Ishizaka, Matthew Mackey, Shawn Schiller, Chikako Ogawa, Sridhar Narayan, Peter Bertinato, Gregory Berger, Atsushi Endo, Robert T. Yu, Lynn Hawkins
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Patent number: 9611287Abstract: The present invention relates to trioxacarcin compounds of the formula: or pharmaceutically acceptable forms thereof; wherein R1, R2, R3, R4, R5, R6, R7, R8, and R9 are as defined herein. The present invention also provides processes for preparing such compounds and intermediates thereto; pharmaceutical compositions comprising such compounds; and methods of use and treatment.Type: GrantFiled: July 28, 2015Date of Patent: April 4, 2017Assignee: President and Fellows of Harvard CollegeInventors: Andrew G. Myers, Nicholas E. Hill, Jakub Svenda, Robert T. Yu, Daniel J. Smaltz, Thomas Magauer
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Publication number: 20160355537Abstract: The present invention relates to trioxacarcin compounds of the formula: or pharmaceutically acceptable forms thereof; wherein R1, R2, R3, R4, R5, R6, R7, R8, and R9 are as defined herein. The present invention also provides processes for preparing such compounds and intermediates thereto; pharmaceutical compositions comprising such compounds; and methods of use and treatment.Type: ApplicationFiled: July 28, 2015Publication date: December 8, 2016Applicant: President and Fellows of Harvard CollegeInventors: Andrew G. Myers, Nicholas E. Hill, Jakub Svenda, Robert T. Yu, Daniel J. Smaltz, Thomas Magauer
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Publication number: 20160176841Abstract: Embodiments of the disclosure relate to selectively substituted quinoline compounds that act as antagonists or inhibitors for Toll-like receptors 7 and/or 8, and their use in pharmaceutical compositions effective for treatment of systemic lupus erythematosus (SLE) and lupus nephritis.Type: ApplicationFiled: October 14, 2014Publication date: June 23, 2016Applicant: EISAI R&D MANAGEMENT CO., LTD.Inventors: Roch BOIVIN, Hans HANSEN, Sally ISHIZAKA, Matthew MACKEY, Shawn SCHILLER, Chikako OGAWA, Sridhar NARAYAN, Peter BERTINATO, Gregory BERGER, Atsushi ENDO, Robert T. YU, Lynn HAWKINS
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Patent number: 9102697Abstract: The present invention relates to trioxacarcin compounds of the formula: (I) or pharmaceutically acceptable forms thereof; wherein R1, R2, R3, R4, R5, R6, R7, R8, and R9 are as defined herein. The present invention also provides processes for preparing such compounds and intermediates thereto; pharmaceutical compositions comprising such compounds; and methods of use and treatment.Type: GrantFiled: March 22, 2011Date of Patent: August 11, 2015Assignee: President and Fellows of Harvard CollegeInventors: Andrew G. Myers, Nicholas E. Hill, Jakub Svenda, Robert T. Yu, Daniel J. Smaltz, Thomas Magauer
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Publication number: 20130150314Abstract: The present invention relates to trioxacarcin compounds of the formula: (I) or pharmaceutically acceptable forms thereof; wherein R1, R2, R3, R4, R5, R6, R7, R8, and R9 are as defined herein. The present invention also provides processes for preparing such compounds and intermediates thereto; pharmaceutical compositions comprising such compounds; and methods of use and treatment.Type: ApplicationFiled: March 22, 2011Publication date: June 13, 2013Applicant: President and Fellows of Harvard CollegeInventors: Andrew G. Myers, Nicholas E. Hill, Jakub Svenda, Robert T. Yu, Daniel J. Smaltz, Thomas Magauer