JP5373982B2 - 置換トリアゾロ−ピリダジン誘導体 - Google Patents
置換トリアゾロ−ピリダジン誘導体 Download PDFInfo
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- JP5373982B2 JP5373982B2 JP2013004449A JP2013004449A JP5373982B2 JP 5373982 B2 JP5373982 B2 JP 5373982B2 JP 2013004449 A JP2013004449 A JP 2013004449A JP 2013004449 A JP2013004449 A JP 2013004449A JP 5373982 B2 JP5373982 B2 JP 5373982B2
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- 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
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- 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
- A61K31/50—Pyridazines; Hydrogenated pyridazines
- A61K31/5025—Pyridazines; Hydrogenated pyridazines ortho- or peri-condensed with heterocyclic ring systems
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
- A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
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- 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
- A61P21/02—Muscle relaxants, e.g. for tetanus or cramps
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- 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
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/04—Centrally acting analgesics, e.g. opioids
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- 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
- A61P25/06—Antimigraine agents
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- 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
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- 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
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- 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
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B59/00—Introduction of isotopes of elements into organic compounds ; Labelled organic compounds per se
- C07B59/002—Heterocyclic compounds
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Description
L−838417の有益な活性にもかかわらず、α1−GABA−A受容体アンタゴニストである新たな化合物に対するニーズが依然として存在する。
「治療する」という用語は、疾患(例えば、本明細書に示されている疾患または障害)の発生または進行を減少、抑制、減衰、縮小、停止、または安定させることを意味する。
治療用化合物
R2は、0〜9個の重水素原子を有するt−ブチル基であり、
各Yは独立して、水素または重水素であり、
R1がCH3であり、各Yが水素である場合、R2は1〜9個の重水素原子を有する)
の化合物、またはその薬学的に許容可能な塩を提供する。
代表的合成法
スキーム2.化合物15の合成
組成物
治療法
医薬キット
7−(tert−ブチル−d 9 )−3−(2,5−ジフルオロフェニル)−6−((1−(メチル−d 3 )−1H−1,2,4−トリアゾール−5−イル)−1,1−d 2 −メトキシ)−[1,2,4]トリアゾロ[4,3−b]ピリダジン(化合物105) 15b(0.24g、2.0mmol)をDMF(20mL)に溶解させた溶液に、鉱油中の60%水素化ナトリウム(0.08、2.1mmol)を加えた。この混合物を15分間攪拌し、14a(0.6g、1.8mmol、実施例1参照)を加えた。この混合物を3時間、室温で攪拌してから、水(100mL)で希釈した。その沈殿物をろ過して回収し、水で数回洗浄した。この粗生成物をシリカゲルカラムクロマトグラフィー(5%メタノール/ジクロロメタンで溶出)によって精製した。この生成物を、酢酸エチル/ヘプタン(1:1)からの再結晶によってさらに精製し、0.52g(70%)の化合物105を白色固体として得た。1H−NMR(300MHz、CDCl3):δ7.23−7.28(m、2H)、7.63−7.67(m、1H)、7.92(s、1H)、8.00(s、1H)。13C−NMR(75MHz、CDCl3):35.66および59.37でピークが観測されず。HPLC(方法:ウォーターズ製Atlantis T3 2.1×50mm 3μm C18−RPカラム−勾配法:14分で5〜95%ACN+0.1%ギ酸(1.0mL/分)、95%ACNで4分保持、波長:254nm):保持時間:5.40分、純度99.0%。MS(M+H):414.3。元素分析(C19H5D14F2N7O):計算値:C=55.20、H=4.63、N=23.72、F=9.19、実測値:C=54.88、H=4.45、N=23.46、F=9.59。
(1−(メチル−d 3 )−1H−1,2,4−トリアゾール−5−イル)−メタノール(15c) 17a(5g、58mmol、実施例2参照)とパラホルムアルデヒド(10g、333mmol)との混合物を密閉チューブ内で170℃にて5時間加熱した。この混合物を室温まで冷却し、ジクロロメタン(20mL)で希釈した。その固体をろ過して除去し、そのろ液を減圧下で濃縮した。この粗生成物をシリカゲルショートカラムクロマトグラフィー(5%メタノール/ジクロロメタンで溶出)によって精製し、5.0g(75%)の15cをオフホワイトの固体として得た。
1H−NMR(300MHz、CDCl3):δ5.55(s、2H)、7.23−7.28(m、2H)、7.62−7.67(m、1H)、7.93(s、1H)、8.00(s、1H)。13C−NMR(75MHz、CDCl3):δ34.55、59.36、115.53(dd、J1=16.6、J2=8.8)、117.63(dd、J1=24.4、J2=12.8)、117.71(dd、J1=24.1、J2=8.0)、118.77(dd、J1=23.9、J2=8.5)、121.75、137.85、143.48、145.00、149.50、151.15、155.76(d、J=163.5)、159.08(d、J=156.9)、158.71。HPLC(方法:ウォーターズ製Atlantis T3 2.1×50mm 3μm C18−RPカラム−勾配法:14分で5〜95%ACN+0.1%ギ酸(1.0mL/分)、95%ACNで4分保持、波長:254nm):保持時間:5.40分、純度99.6%。MS(M+H):412.2。元素分析(C19H7D12F2N7O):計算値:C=55.47、H=4.67、N=23.83、実測値:C=55.49、H=4.76、N=23.87。
7−tert−ブチル−3−(2,5−ジフルオロフェニル)−6−((1−(メチル−d 3 )−1H−1,2,4−トリアゾール−5−イル)−1,1−d 2 −メトキシ)−[1,2,4]トリアゾロ[4,3−b]ピリダジン(化合物101) 15b(0.24g、4.0mmol、実施例2参照)をDMF(10mL)に溶解させた溶液に、鉱油中の60%水素化ナトリウム(0.08、2.1mmol)を加えた。この混合物を15分間攪拌し、既知の化合物7−tert−ブチル−6−クロロ−3−(2,5−ジフルオロフェニル)−[1,2,4]トリアゾロ[4,3−b]ピリダジン、14b(0.58g、1.8mmol、国際公開第WO1998004559号に記載されているように調製)を加えた。この混合物を3時間、室温で攪拌してから、水(100mL)で希釈した。その沈殿物をろ過して回収し、水で数回洗浄した。この粗生成物をシリカゲルカラムクロマトグラフィー(75%THF/ヘプタンで溶出)によって精製した。この生成物を、酢酸エチル/ヘプタン(1:1)からの再結晶によってさらに精製し、0.53g(72%)の化合物101を白色固体として得た。1H−NMR(300MHz、CDCl3):δ1.41(s、9H)、7.23−7.28(m、2H)、7.62−7.68(m、1H)、7.92(s、1H)、8.00(s、1H)。13C−NMR(75MHz、CDCl3):28.96でピークが観察され、35.66および59.36ではピークは観察されず。HPLC(方法:ウォーターズ製Atlantis T3 2.1×50mm 3μm C18−RPカラム−勾配法:14分で5〜95%ACN+0.1%ギ酸(1.0mL/分)、95%ACNで4分保持、波長:254nm):保持時間:5.42分、純度99.7%。MS(M+H):405.3。元素分析(C19H14D5F2N7O):計算値:C=56.43、H=4.74、N=24.25、F=9.40、実測値:C=56.22、H=4.73、N=23.87、F=9.35。
インビトロt1/2=0.693/k(式中、k=−[親化合物の残存率(%)(ln)とインキュベーション時間との関係の直線回帰の傾斜]
データ解析は、マイクロソフトのソフトウェアExcelを用いて行った。
Claims (9)
- Y1aおよびY1bは同じである、請求項2に記載の医薬組成物。
- 前記式Iの化合物において重水素として指定されていないいずれの原子も、その天然同位体存在度で存在する、請求項2に記載の医薬組成物。
- 前記医薬組成物は医薬投与用に製剤化され、前記担体は薬学的に許容可能な担体である、請求項2に記載の医薬組成物。
- 前記医薬組成物は、経口投与用に製剤化された、請求項7に記載の医薬組成物。
- 前記疾患または状態は、炎症性疼痛である、請求項2に記載の医薬組成物。
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US9329308P | 2008-08-29 | 2008-08-29 | |
US61/093,293 | 2008-08-29 |
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JP2011525250A Division JP5183808B2 (ja) | 2008-08-29 | 2009-08-28 | 置換トリアゾロ−ピリダジン誘導体 |
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JP2013194060A Division JP2014058518A (ja) | 2008-08-29 | 2013-09-19 | 置換トリアゾロ−ピリダジン誘導体 |
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JP2013100322A JP2013100322A (ja) | 2013-05-23 |
JP5373982B2 true JP5373982B2 (ja) | 2013-12-18 |
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JP2011525250A Expired - Fee Related JP5183808B2 (ja) | 2008-08-29 | 2009-08-28 | 置換トリアゾロ−ピリダジン誘導体 |
JP2013004449A Expired - Fee Related JP5373982B2 (ja) | 2008-08-29 | 2013-01-15 | 置換トリアゾロ−ピリダジン誘導体 |
JP2013194060A Pending JP2014058518A (ja) | 2008-08-29 | 2013-09-19 | 置換トリアゾロ−ピリダジン誘導体 |
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JP2011525250A Expired - Fee Related JP5183808B2 (ja) | 2008-08-29 | 2009-08-28 | 置換トリアゾロ−ピリダジン誘導体 |
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Country Status (17)
Country | Link |
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US (4) | US8003646B2 (ja) |
EP (2) | EP2716158A1 (ja) |
JP (3) | JP5183808B2 (ja) |
KR (1) | KR20110063479A (ja) |
CN (2) | CN104098578A (ja) |
AU (1) | AU2009285533B2 (ja) |
BR (1) | BRPI0912928A2 (ja) |
CA (1) | CA2735549A1 (ja) |
DK (1) | DK2328414T3 (ja) |
EA (1) | EA020071B1 (ja) |
ES (1) | ES2451542T3 (ja) |
HR (1) | HRP20140195T1 (ja) |
MX (1) | MX2011002278A (ja) |
PL (1) | PL2328414T3 (ja) |
PT (1) | PT2328414E (ja) |
WO (1) | WO2010025407A1 (ja) |
ZA (1) | ZA201102123B (ja) |
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BRPI0912928A2 (pt) * | 2008-08-29 | 2015-08-04 | Concert Pharmaceuticals Inc | "composto, e, composição isenta de pirogênio" |
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US20150119398A1 (en) | 2012-05-11 | 2015-04-30 | Concert Pharmaceuticals Inc. | Form 2 polymorph of 7-(tert-butyl-d9)-3-(2,5-difluorophenyl)-6-((1-methyl-1h-1,2,4-triazol-5-yl)methoxy)-[1,2,4]triazolo[4,3-b]pyridazine |
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CA2661404A1 (en) | 2006-09-05 | 2008-03-13 | Schering Corporation | Pharmaceutical combinations for lipid management and in the treatment of atherosclerosis and hepatic steatosis |
JP2010523584A (ja) * | 2007-04-02 | 2010-07-15 | オースペックス・ファーマシューティカルズ・インコーポレイテッド | 置換ピリミジン |
BRPI0912928A2 (pt) * | 2008-08-29 | 2015-08-04 | Concert Pharmaceuticals Inc | "composto, e, composição isenta de pirogênio" |
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