AU2017250431B2 - 1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-ones and 1,5-dihydro-4H-pyrazolo[4,3-c]pyridin-4-ones as PDE1 inhibitors - Google Patents
1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-ones and 1,5-dihydro-4H-pyrazolo[4,3-c]pyridin-4-ones as PDE1 inhibitors Download PDFInfo
- Publication number
- AU2017250431B2 AU2017250431B2 AU2017250431A AU2017250431A AU2017250431B2 AU 2017250431 B2 AU2017250431 B2 AU 2017250431B2 AU 2017250431 A AU2017250431 A AU 2017250431A AU 2017250431 A AU2017250431 A AU 2017250431A AU 2017250431 B2 AU2017250431 B2 AU 2017250431B2
- Authority
- AU
- Australia
- Prior art keywords
- methyl
- pyrazolo
- pyridin
- compound
- tetrahydropyran
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic 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
- A61K31/4353—Heterocyclic 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 ortho- or peri-condensed with heterocyclic ring systems
- A61K31/437—Heterocyclic 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 ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a five-membered ring having nitrogen as a ring hetero atom, e.g. indolizine, beta-carboline
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic 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
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P21/00—Drugs for disorders of the muscular or neuromuscular system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/08—Antiepileptics; Anticonvulsants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
- A61P25/16—Anti-Parkinson drugs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/18—Antipsychotics, i.e. neuroleptics; Drugs for mania or schizophrenia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/22—Anxiolytics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/24—Antidepressants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic 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
- C07D471/02—Heterocyclic 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
- C07D471/04—Ortho-condensed systems
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Biomedical Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- Psychiatry (AREA)
- Psychology (AREA)
- Pain & Pain Management (AREA)
- Hospice & Palliative Care (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DKPA201600221 | 2016-04-12 | ||
| DKPA201600221 | 2016-04-12 | ||
| PCT/EP2017/058332 WO2017178350A1 (en) | 2016-04-12 | 2017-04-07 | 1,5-dihydro-4h-pyrazolo[3,4-d]pyrimidin-4-ones and 1,5-dihydro-4h-pyrazolo[4,3-c]pyridin-4-ones as pde1 inhibitors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2017250431A1 AU2017250431A1 (en) | 2018-10-11 |
| AU2017250431B2 true AU2017250431B2 (en) | 2020-07-16 |
Family
ID=58489694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2017250431A Ceased AU2017250431B2 (en) | 2016-04-12 | 2017-04-07 | 1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-ones and 1,5-dihydro-4H-pyrazolo[4,3-c]pyridin-4-ones as PDE1 inhibitors |
Country Status (43)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201629064A (zh) | 2014-10-10 | 2016-08-16 | Ｈ 朗德貝克公司 | 作爲ｐｄｅ１抑制劑之三唑並吡酮 |
| JO3627B1 (ar) | 2015-04-30 | 2020-08-27 | H Lundbeck As | إيميدازو بيرازينونات على هيئة مثبطات pde1 |
| TWI729109B (zh) | 2016-04-12 | 2021-06-01 | 丹麥商Ｈ 朗德貝克公司 | 作爲PDE1抑制劑的1,5-二氫-4H-吡唑并[3,4-d]嘧啶-4-酮和1,5-二氫-4H-吡唑并[4,3-c]吡啶-4-酮 |
| US10633382B2 (en) | 2016-10-18 | 2020-04-28 | H. Lundbeck A/S | Imidazopyrazinones, pyrazolopyrimidinones and pyrazolopyridinones as PDE1 inhibitors |
| RU2019108717A (ru) | 2016-10-28 | 2020-11-30 | Х. Лундбекк А/С | Комбинированные средства для лечения, предусматривающего введение имидазопиразинонов |
| LT3532064T (lt) | 2016-10-28 | 2020-09-25 | H. Lundbeck A/S | Kompleksiniai gydymai, apimantys imidazopirazonus, skirti psichiatrinių ir (arba) kognityvinių sutrikimų gydymui |
| EP3562828B1 (en) | 2016-12-28 | 2026-03-18 | Dart Neuroscience LLC | Substituted pyrazolopyrimidinone compounds as pde2 inhibitors |
| MX2020005447A (es) | 2017-11-27 | 2020-12-03 | Dart Neuroscience Llc | Compuestos de furanopirimidina sustituida como inhibidores de pde1. |
| JP7493460B2 (ja) | 2018-05-25 | 2024-05-31 | イントラ－セルラー・セラピーズ・インコーポレイテッド | 有機化合物 |
| US20220184240A1 (en) | 2019-04-12 | 2022-06-16 | Intra-Cellular Therapies, Inc. | Organic compounds |
| CN115304607B (zh) * | 2022-07-06 | 2023-06-27 | 华南农业大学 | 吡唑并嘧啶衍生物的制备方法 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB973361A (en) * | 1960-05-11 | 1964-10-28 | Ciba Ltd | Pyrazolo-pyrimidines and process for their manufacture |
| WO2004018474A1 (de) * | 2002-08-23 | 2004-03-04 | Bayer Healthcare Ag | Phenyl-substituierte pyrazolopyrimidine |
| WO2004026876A1 (de) * | 2002-08-23 | 2004-04-01 | Bayer Healthcare Ag | Alkyl-substituierte pyrazolopyrimidine |
| WO2004099211A1 (de) * | 2003-05-09 | 2004-11-18 | Bayer Healthcare Ag | 6-cyclylmethyl- und 6-alkylmethyl-substituierte pyrazolopyrimidine |
| WO2008139293A1 (en) * | 2007-05-11 | 2008-11-20 | Pfizer Inc. | Amino-heterocyclic compounds |
| EP2305262A1 (de) * | 2002-08-23 | 2011-04-06 | Boehringer Ingelheim International GmbH | Selektive Phosphodiesterase 9A-Inhibitoren als Arzneimittel zur Verbesserung kognitiver Prozesse |
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| DE19709877A1 (de) | 1997-03-11 | 1998-09-17 | Bayer Ag | 1,5-Dihydro-pyrazolo[3,4-d]-pyrimidinon-derivate |
| JP2008524331A (ja) | 2004-12-21 | 2008-07-10 | 武田薬品工業株式会社 | ジペプチジルペプチダーゼ阻害剤 |
| EP1919287A4 (en) | 2005-08-23 | 2010-04-28 | Intra Cellular Therapies Inc | ORGANIC COMPOUNDS FOR TREATING A REDUCED DOPAMINE RECEPTOR SIGNALING ACTIVITY |
| US8012936B2 (en) | 2006-03-29 | 2011-09-06 | New York University | Tau fragments for immunotherapy |
| WO2008070095A1 (en) | 2006-12-05 | 2008-06-12 | Intra-Cellular Therapies, Inc. | Novel uses |
| EP2227472A1 (en) | 2007-11-30 | 2010-09-15 | Elbion Gmbh | Aryl and heteroaryl fused imidazo (1,5-a) pyrazines as inhibitors of phosphodiesterase 10 |
| UA105362C2 (en) | 2008-04-02 | 2014-05-12 | Бьорингер Ингельхайм Интернациональ Гмбх | 1-heterocyclyl-1, 5-dihydro-pyrazolo [3, 4-d] pyrimidin-4-one derivatives and their use as pde9a modulators |
| CN102143965A (zh) | 2008-09-08 | 2011-08-03 | 贝林格尔.英格海姆国际有限公司 | 吡唑并嘧啶酮及其在治疗中枢神经系统疾病中的用途 |
| MX2011005934A (es) | 2008-12-06 | 2011-12-16 | Intra Cellular Therapies Inc | Compuestos organicos. |
| TWI404721B (zh) | 2009-01-26 | 2013-08-11 | Pfizer | 胺基－雜環化合物 |
| EP2575817A4 (en) * | 2010-05-31 | 2014-01-08 | Intra Cellular Therapies Inc | ORGANIC CONNECTIONS |
| EP3181566A1 (en) | 2010-09-20 | 2017-06-21 | Ironwood Pharmaceuticals, Inc. | Imidazotriazinone compounds |
| US20130196986A1 (en) | 2010-09-21 | 2013-08-01 | Marc Labroli | Triazolopyrazinones as p2x7 receptor antagonists |
| JO3089B1 (ar) | 2010-11-19 | 2017-03-15 | H Lundbeck As | مشتقات ايميدازول كمثبطات لانزيمات pde10a |
| WO2012136552A1 (en) | 2011-04-08 | 2012-10-11 | H. Lundbeck A/S | ANTIBODIES SPECIFIC TO PYROGLUTAMATED Αβ |
| EP2717877B1 (en) | 2011-06-10 | 2017-11-08 | Intra-Cellular Therapies, Inc. | Organic compounds |
| MX381326B (es) | 2011-10-10 | 2025-03-12 | H Lundbeck As | Derivados de 7h-imidazo[1-5-a]pirazin-8-ona como inhibidores de la fosfodiesterasa 9(pde9); y el uso de los mismos en el tratamiento de trastornos neurodegenerativos |
| EP2807163B1 (en) | 2012-01-26 | 2017-03-22 | H. Lundbeck A/S | Pde9 inhibitors with imidazo triazinone backbone |
| US9499562B2 (en) | 2012-06-18 | 2016-11-22 | Dart Neuroscience (Cayman) Ltd. | Substituted thiophene- and furan-fused azolopyrimidine-5-(6H)-one compounds |
| DK2970279T3 (da) | 2013-03-15 | 2020-11-30 | Intra Cellular Therapies Inc | Organiske forbindelser |
| JP5783297B2 (ja) | 2013-08-06 | 2015-09-24 | 株式会社デンソー | 力学量センサ |
| TW201609713A (zh) * | 2013-12-19 | 2016-03-16 | Ｈ 朗德貝克公司 | 作爲ｐｄｅ１抑制劑之喹唑啉－ｔｈｆ－胺 |
| JP5797815B1 (ja) | 2014-06-27 | 2015-10-21 | 細田建設株式会社 | 後施工アンカー及びその施工方法 |
| US20160083391A1 (en) | 2014-09-18 | 2016-03-24 | Sunovion Pharmaceuticals Inc. | Tricyclic piperazine derivative |
| US20160083400A1 (en) | 2014-09-18 | 2016-03-24 | Sunovion Pharmaceuticals Inc. | Tricyclic guanidine derivative |
| WO2016042775A1 (en) | 2014-09-18 | 2016-03-24 | Sunovion Pharmaceuticals Inc. | Tricyclic derivative |
| TW201629064A (zh) | 2014-10-10 | 2016-08-16 | Ｈ 朗德貝克公司 | 作爲ｐｄｅ１抑制劑之三唑並吡酮 |
| JP2018508555A (ja) | 2015-03-16 | 2018-03-29 | 大日本住友製薬株式会社 | 二環性イミダゾロ誘導体 |
| TW201643167A (zh) | 2015-04-22 | 2016-12-16 | Ｈ 朗德貝克公司 | 作爲ｐｄｅ１抑制劑之咪唑並三酮 |
| JO3627B1 (ar) | 2015-04-30 | 2020-08-27 | H Lundbeck As | إيميدازو بيرازينونات على هيئة مثبطات pde1 |
| TWI609870B (zh) | 2016-02-12 | 2018-01-01 | 美國禮來大藥廠 | Pde1抑制劑 |
| TWI729109B (zh) | 2016-04-12 | 2021-06-01 | 丹麥商Ｈ 朗德貝克公司 | 作爲PDE1抑制劑的1,5-二氫-4H-吡唑并[3,4-d]嘧啶-4-酮和1,5-二氫-4H-吡唑并[4,3-c]吡啶-4-酮 |
| JP2018076285A (ja) | 2016-09-14 | 2018-05-17 | 大日本住友製薬株式会社 | 二環性イミダゾロ誘導体を含む医薬 |
| US10633382B2 (en) | 2016-10-18 | 2020-04-28 | H. Lundbeck A/S | Imidazopyrazinones, pyrazolopyrimidinones and pyrazolopyridinones as PDE1 inhibitors |
| LT3532064T (lt) | 2016-10-28 | 2020-09-25 | H. Lundbeck A/S | Kompleksiniai gydymai, apimantys imidazopirazonus, skirti psichiatrinių ir (arba) kognityvinių sutrikimų gydymui |
| RU2019108717A (ru) | 2016-10-28 | 2020-11-30 | Х. Лундбекк А/С | Комбинированные средства для лечения, предусматривающего введение имидазопиразинонов |
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2017
- 2017-04-05 TW TW106111366A patent/TWI729109B/zh not_active IP Right Cessation
- 2017-04-06 US US15/481,083 patent/US20170291901A1/en not_active Abandoned
- 2017-04-07 HU HUE17715943A patent/HUE050320T2/hu unknown
- 2017-04-07 JP JP2018550733A patent/JP7093306B2/ja not_active Expired - Fee Related
- 2017-04-07 SM SM20200446T patent/SMT202000446T1/it unknown
- 2017-04-07 MY MYPI2018001605A patent/MY194722A/en unknown
- 2017-04-07 MX MX2018012496A patent/MX374251B/es active IP Right Grant
- 2017-04-07 CR CR20180470A patent/CR20180470A/es unknown
- 2017-04-07 PE PE2018001912A patent/PE20181853A1/es unknown
- 2017-04-07 LT LTEP17715943.1T patent/LT3442975T/lt unknown
- 2017-04-07 AU AU2017250431A patent/AU2017250431B2/en not_active Ceased
- 2017-04-07 ME MEP-2020-169A patent/ME03820B/me unknown
- 2017-04-07 ES ES17715943T patent/ES2814289T3/es active Active
- 2017-04-07 EA EA201891897A patent/EA035197B1/ru not_active IP Right Cessation
- 2017-04-07 GE GEAP201914901A patent/GEAP201914901A/en unknown
- 2017-04-07 TN TNP/2018/000321A patent/TN2018000321A1/en unknown
- 2017-04-07 DK DK17715943.1T patent/DK3442975T3/da active
- 2017-04-07 BR BR112017026278-9A patent/BR112017026278A2/pt not_active Application Discontinuation
- 2017-04-07 RS RS20200994A patent/RS60714B1/sr unknown
- 2017-04-07 SG SG11201808221QA patent/SG11201808221QA/en unknown
- 2017-04-07 UA UAA201809742A patent/UA121925C2/uk unknown
- 2017-04-07 HR HRP20201331TT patent/HRP20201331T1/hr unknown
- 2017-04-07 CA CA3020053A patent/CA3020053A1/en not_active Abandoned
- 2017-04-07 GE GEAP201714901A patent/GEP20207057B/en unknown
- 2017-04-07 MA MA44656A patent/MA44656B1/fr unknown
- 2017-04-07 RU RU2018133391A patent/RU2018133391A/ru unknown
- 2017-04-07 EP EP17715943.1A patent/EP3442975B1/en active Active
- 2017-04-07 SI SI201730387T patent/SI3442975T1/sl unknown
- 2017-04-07 PT PT177159431T patent/PT3442975T/pt unknown
- 2017-04-07 PL PL17715943T patent/PL3442975T3/pl unknown
- 2017-04-07 KR KR1020187029341A patent/KR20180133413A/ko not_active Ceased
- 2017-04-07 CN CN201780022870.0A patent/CN109071549B/zh not_active Expired - Fee Related
- 2017-04-07 WO PCT/EP2017/058332 patent/WO2017178350A1/en not_active Ceased
- 2017-04-10 AR ARP170100915A patent/AR108109A1/es unknown
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2018
- 2018-08-01 US US16/051,612 patent/US10538525B2/en active Active
- 2018-09-19 DO DO2018000201A patent/DOP2018000201A/es unknown
- 2018-09-25 NI NI201800092A patent/NI201800092A/es unknown
- 2018-09-26 ZA ZA2018/06407A patent/ZA201806407B/en unknown
- 2018-09-26 CO CONC2018/0010323A patent/CO2018010323A2/es unknown
- 2018-09-28 SV SV2018005753A patent/SV2018005753A/es unknown
- 2018-10-03 EC ECSENADI201874641A patent/ECSP18074641A/es unknown
- 2018-10-09 PH PH12018502168A patent/PH12018502168A1/en unknown
- 2018-10-10 IL IL262257A patent/IL262257B/en active IP Right Grant
- 2018-10-10 CL CL2018002881A patent/CL2018002881A1/es unknown
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2019
- 2019-12-03 US US16/701,269 patent/US11104680B2/en not_active Expired - Fee Related
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2020
- 2020-08-20 CY CY20201100779T patent/CY1123269T1/el unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB973361A (en) * | 1960-05-11 | 1964-10-28 | Ciba Ltd | Pyrazolo-pyrimidines and process for their manufacture |
| WO2004018474A1 (de) * | 2002-08-23 | 2004-03-04 | Bayer Healthcare Ag | Phenyl-substituierte pyrazolopyrimidine |
| WO2004026876A1 (de) * | 2002-08-23 | 2004-04-01 | Bayer Healthcare Ag | Alkyl-substituierte pyrazolopyrimidine |
| EP2305262A1 (de) * | 2002-08-23 | 2011-04-06 | Boehringer Ingelheim International GmbH | Selektive Phosphodiesterase 9A-Inhibitoren als Arzneimittel zur Verbesserung kognitiver Prozesse |
| WO2004099211A1 (de) * | 2003-05-09 | 2004-11-18 | Bayer Healthcare Ag | 6-cyclylmethyl- und 6-alkylmethyl-substituierte pyrazolopyrimidine |
| WO2008139293A1 (en) * | 2007-05-11 | 2008-11-20 | Pfizer Inc. | Amino-heterocyclic compounds |
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