JP2024511611A - ユビキチン特異的プロテアーゼ19阻害剤としての医薬化合物 - Google Patents

ユビキチン特異的プロテアーゼ19阻害剤としての医薬化合物 Download PDF

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JP2024511611A
JP2024511611A JP2023558350A JP2023558350A JP2024511611A JP 2024511611 A JP2024511611 A JP 2024511611A JP 2023558350 A JP2023558350 A JP 2023558350A JP 2023558350 A JP2023558350 A JP 2023558350A JP 2024511611 A JP2024511611 A JP 2024511611A
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methyl
carbonyl
azaspiro
decane
optionally substituted
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Inventor
サミュエル シェイン ラウントゥリー,ジェイムズ
クリストファー ホワイトヘッド,スティーブン
デイビッド シェパード,スティーブン
ダンカン ヘルム,マシュー
ブルカンプ,フランク
オダウド,コリン
ハリソン,ティモシー
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Almac Discovery Ltd
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    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D401/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/14Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/445Non condensed piperidines, e.g. piperocaine
    • A61K31/4523Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems
    • A61K31/4545Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/496Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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    • A61K31/495Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/506Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim not condensed and containing further heterocyclic rings
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    • A61K31/495Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/513Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim having oxo groups directly attached to the heterocyclic ring, e.g. cytosine
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    • A61K31/495Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/517Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with carbocyclic ring systems, e.g. quinazoline, perimidine
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    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/519Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/535Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
    • A61K31/53751,4-Oxazines, e.g. morpholine
    • A61K31/53771,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
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    • C07D401/02Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/06Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
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    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D405/00Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
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    • C07ORGANIC CHEMISTRY
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    • C07D409/00Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
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    • C07ORGANIC CHEMISTRY
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    • C07D413/00Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
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    • C07D471/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
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  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Plural Heterocyclic Compounds (AREA)
JP2023558350A 2021-03-24 2022-03-24 ユビキチン特異的プロテアーゼ19阻害剤としての医薬化合物 Pending JP2024511611A (ja)

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GBGB2104097.7A GB202104097D0 (en) 2021-03-24 2021-03-24 Pharmaceutical compounds
GB2104097.7 2021-03-24
PCT/EP2022/057820 WO2022200523A1 (en) 2021-03-24 2022-03-24 Pharmaceuticals compounds as inhibitors of ubiquitin specific protease 19 (usp19)

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JP2024511611A true JP2024511611A (ja) 2024-03-14
JP2024511611A5 JP2024511611A5 (https=) 2025-03-26

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US (1) US20240327382A1 (https=)
EP (1) EP4313295A1 (https=)
JP (1) JP2024511611A (https=)
KR (1) KR20230160901A (https=)
CN (1) CN117157285A (https=)
AU (1) AU2022244178A1 (https=)
BR (1) BR112023019323A2 (https=)
CA (1) CA3212236A1 (https=)
GB (1) GB202104097D0 (https=)
IL (1) IL307163A (https=)
MX (1) MX2023011012A (https=)
WO (1) WO2022200523A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115656383A (zh) * 2022-11-11 2023-01-31 武汉海特生物创新医药研究有限公司 一种alpha-苯基哌啶-2-乙酰胺对映异构体的检测方法
GB202311227D0 (en) 2023-07-21 2023-09-06 Almac Discovery Ltd Pharmaceutical compounds

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007513973A (ja) * 2003-12-15 2007-05-31 シェーリング コーポレイション 複素環式アスパルチルプロテアーゼインヒビター
WO2016126929A1 (en) * 2015-02-05 2016-08-11 Forma Therapeutics, Inc. Thienopyrimidinones as ubiquitin-specific protease 7 inhibitors
WO2016126926A1 (en) * 2015-02-05 2016-08-11 Forma Therapeutics, Inc. Quinazolinones and azaquinazolinones as ubiquitin-specific protease 7 inhibitors
WO2016126935A1 (en) * 2015-02-05 2016-08-11 Forma Therapeutics, Inc. Isothiazolopyrimidinones, pyrazolopyrimidinones, and pyrrolopyrimidinones as ubiquitin-specific protease 7 inhibitors
WO2019067503A1 (en) * 2017-09-26 2019-04-04 Dana-Farber Cancer Institute, Inc. NEW USP7 INHIBITORS FOR THE TREATMENT OF MULTIPLE MYELOMA
WO2019150119A1 (en) * 2018-01-31 2019-08-08 Almac Discovery Limited 4-hydroxypiperidine derivatives and their use as inhibitors of ubiquitin specific protease 19 (usp19)
WO2020115501A1 (en) * 2018-12-06 2020-06-11 Almac Discovery Limited Pharmaceutical compounds and their use as inhibitors of ubiquitin specific protease 19 (usp19)
WO2020115500A1 (en) * 2018-12-06 2020-06-11 Almac Discovery Limited Usp19 inhibitors for use in therapy
WO2020227365A1 (en) * 2019-05-06 2020-11-12 Integral Early Discovery, Inc. Inhibiting usp19

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201612938D0 (en) 2016-07-26 2016-09-07 Almac Discovery Ltd Pharmaceutical compounds

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007513973A (ja) * 2003-12-15 2007-05-31 シェーリング コーポレイション 複素環式アスパルチルプロテアーゼインヒビター
WO2016126929A1 (en) * 2015-02-05 2016-08-11 Forma Therapeutics, Inc. Thienopyrimidinones as ubiquitin-specific protease 7 inhibitors
WO2016126926A1 (en) * 2015-02-05 2016-08-11 Forma Therapeutics, Inc. Quinazolinones and azaquinazolinones as ubiquitin-specific protease 7 inhibitors
WO2016126935A1 (en) * 2015-02-05 2016-08-11 Forma Therapeutics, Inc. Isothiazolopyrimidinones, pyrazolopyrimidinones, and pyrrolopyrimidinones as ubiquitin-specific protease 7 inhibitors
WO2019067503A1 (en) * 2017-09-26 2019-04-04 Dana-Farber Cancer Institute, Inc. NEW USP7 INHIBITORS FOR THE TREATMENT OF MULTIPLE MYELOMA
WO2019150119A1 (en) * 2018-01-31 2019-08-08 Almac Discovery Limited 4-hydroxypiperidine derivatives and their use as inhibitors of ubiquitin specific protease 19 (usp19)
WO2020115501A1 (en) * 2018-12-06 2020-06-11 Almac Discovery Limited Pharmaceutical compounds and their use as inhibitors of ubiquitin specific protease 19 (usp19)
WO2020115500A1 (en) * 2018-12-06 2020-06-11 Almac Discovery Limited Usp19 inhibitors for use in therapy
WO2020227365A1 (en) * 2019-05-06 2020-11-12 Integral Early Discovery, Inc. Inhibiting usp19

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"CAS REGISTRY No. 2202369-87-5等", DATABASE REGISTRY [ONLINE], JPN7025005323, 2018, pages 2025 - 11, ISSN: 0005749325 *

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KR20230160901A (ko) 2023-11-24
MX2023011012A (es) 2023-09-28
EP4313295A1 (en) 2024-02-07
WO2022200523A1 (en) 2022-09-29
CA3212236A1 (en) 2022-09-29
BR112023019323A2 (pt) 2023-10-31
AU2022244178A1 (en) 2023-09-07
IL307163A (en) 2023-11-01
WO2022200523A9 (en) 2023-02-16
US20240327382A1 (en) 2024-10-03
CN117157285A (zh) 2023-12-01
GB202104097D0 (en) 2021-05-05

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