JP7799599B2 - 医薬的に活性な化合物としてのカンナビノイド誘導体及びその調製方法 - Google Patents
医薬的に活性な化合物としてのカンナビノイド誘導体及びその調製方法Info
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- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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Description
又はその塩が提供される。
又はその塩が提供される。
「カンナビノイド」は、エンドカンナビノイド、植物性カンナビノイド、及びエンドカンナビノイドでも植物性カンナビノイドでもない、以下では「シントカンナビノイド(syntho-cannabinoid)」のカンナビノイドを含む化合物の群である。
通常のCBD誘導体の製造方法
この実施例は、薬理活性を示す通常のCBDの新たな類似体を生成するのに使用された、新たな合成方法について記載する。以下の図式1は、一次中間体を生成するのに使用された初期反応について記載し、図式2は、複数の中間体を経て形成された通常のCBD誘導体の生成について記載する。
図式1:Friedel-Crafts1,4-付加反応
構造1a~j
図式2:通常のCBD類似体の合成
中間体2a~2j又は3a~3jをN-ブロモスクシンイミド(NBS)により臭素化して、以下に示される臭化アリール系化合物4a~4j又は5a~5jを作製した。
構造4a~4j
中間体4a~4j又は5a~5jを、ジクロロメタン存在下で三臭化ホウ素によりO-脱メチル化して、以下に図示される6a~6j又は7a~7jに記載される脱保護されたキラルレゾルシノール化合物を生じさせた。
構造6a~6j
臭素化された中間体6a~6j又は7a~7jを、三フッ化ホウ素ジエチルエーテラート存在下でメンタジエノール(図式2で構造8として示される)とカップリングさせることで、中間体9a~9j(実現可能でない9fを除く)又は10a~10j(実現可能でない10fを除く)を生成した。これらの構造は以下に図示される。
構造9a~j(ただし9fは実現可能でない)
9a~9j(9fを除く)又は10a~10j(10fを除く)を酢酸及び臭化水素により脱臭素化して、以下に示される通常のCBD誘導体11a~11j(11fを除く)又は12a~12j(12fを除く)を生成した。
構造11a~j(ただし11fは実現可能でない)
構造13及び14
異常なCBD誘導体の製造方法
この実施例は、薬理活性を示す異常なCBDの新たな類似体を生成するのに使用された、新たな合成方法について記載する。実施例1で図示される図式1は、一次中間体2a~2j及び3a~3jを生成するのに使用された初期反応について記載し、図式3は、複数の中間体を経て形成された異常なCBD誘導体の生成について記載する。
図式3:異常なCBD類似体の合成
中間体2a~2j又は3a~3jを、ジクロロメタン存在下で三臭化ホウ素によりO-脱メチル化して、以下の15a~15j又は16a~16jに記載される脱保護されたキラルレゾルシノール化合物を生じさせた。
構造15a~j
中間体15a~15j又は16a~16jを、三フッ化ホウ素ジエチルエーテラート存在下でメンタジエノール(図式3で構造8として示される)とカップリングさせることで、以下に図示される異常なCBD誘導体17a~17j又は18a~18jを生成した。
構造17a~17j
17c~17j又は18c~18jの脱保護により、以下に記載される化合物19~22を生成した。
構造19、20、21、22
新たなカンナビジオール類似体及びそれらの中間体を生成するための新たな合成経路の活用は有益である。
マウスにおける最大電気ショック発作閾値(MEST)試験を使用する、抗痙攣活性についてのカンナビノイド誘導体の評価
全般発作のマウスモデル、最大電気ショック発作閾値(MEST)試験において、式I及び式IIによる例示的なカンナビノイド誘導体の有効性を試験した。
研究の詳細:
未処置マウスを、食料及び水を自由に入手できる状態で、ホームケージ内の処置室に最大7日間順化させた。
溶媒:(90%生理食塩水中5%エタノール、5%ソルトール(solutol)溶液)を以下のように調製した:エタノール2mL、ソルトール2mLを、生理食塩水36mL中で60℃に温めた(1:1:18)。
The Humane Killing of Animals under Schedule 1 to the Animals (Scientific Procedures) Act 1986のもと、頭蓋を打つことによる脳の破壊により、痙攣の生成直後に各動物を人道的に屠殺し、それに続いて断頭による循環の永久的な停止を確認した。最終の血液及び脳の収集を断頭後に実施した。
各処理群のデータを、使用された各電流レベルでの+及び0の数として記録し、次いでこの情報を使用して、CC50値(50%の動物が発作行動を示すのに必要な電流)±標準誤差を算出する。
図1~図4及びTables1~4(表1~4)は、この実験で生じたデータについて記載する。
これらのデータは、式I及び式IIの化合物についての治療効果を示す。
Claims (10)
- 一般式Iの化合物
[式中、XはCH2;O;又はNHのいずれかであり、YはH又はOHのいずれかである。]
又はその塩。 - 一般式IIの化合物
[式中、XはCH2;O;又はNHのいずれかであり、YはH又はOHのいずれかである。]
又はその塩。 - 請求項1又は2に記載の化合物を含む医薬組成物。
- 錠剤、カプセル剤、顆粒剤、吸入用の散剤、スプリンクル剤、経口液剤及び懸濁剤から選択される、請求項3に記載の医薬組成物。
- 担体、油、崩壊剤、潤滑剤、安定剤、香味料、抗酸化剤、希釈剤及び別の医薬的に有効な化合物から選択される1種又は複数の添加剤を更に含む、請求項3又は請求項4に記載の医薬組成物。
- てんかんの治療における使用のための、請求項3から5のいずれか一項に記載の医薬組成物。
- それを必要とする哺乳動物を治療するための、請求項3から6のいずれか一項に記載の医薬組成物。
- Friedel-Crafts1,4-付加により構造1a~e又は1g~jのレゾルシノール単位を反応させて、構造2a~e又は2g~jあるいは3a~e又は3g~jの化合物を生成する工程、それに続いて、請求項1又は2に記載の一般式I又は一般式IIの化合物を生成する後続の工程を含む、一般式I又は一般式IIの化合物の生成のための方法。
- 2a~e、2g~j、3a~e、3g~j、4a~e、4g~j、5a~e、5g~j、6a~e、6g~j、7a~e、7g~j、9a~e、9g~j、10a~e、10g~j、15a~e、15g~j、16a~e又は16g~jの化合物。
- 11c~e、11g~j、12c~e、12g~j、17c~e、17g~j、18c~e又は18g~jの化合物。
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| GB1910389.4 | 2019-07-19 | ||
| GBGB1910389.4A GB201910389D0 (en) | 2019-07-19 | 2019-07-19 | Novel compounds, methods for their manufacture, and uses thereof |
| PCT/GB2020/051723 WO2021014132A1 (en) | 2019-07-19 | 2020-07-17 | Cannabinoid derivatives as pharmaceutically active compounds and methods of preparation thereof |
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| JP2022541566A JP2022541566A (ja) | 2022-09-26 |
| JP7799599B2 true JP7799599B2 (ja) | 2026-01-15 |
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| US (1) | US12403136B2 (ja) |
| EP (1) | EP3999042B1 (ja) |
| JP (1) | JP7799599B2 (ja) |
| KR (1) | KR102880632B1 (ja) |
| CN (1) | CN114206838B (ja) |
| AU (1) | AU2020318928B2 (ja) |
| BR (1) | BR112022000836A2 (ja) |
| CA (1) | CA3143580A1 (ja) |
| DK (1) | DK3999042T3 (ja) |
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| FI (1) | FI3999042T3 (ja) |
| GB (2) | GB201910389D0 (ja) |
| IL (1) | IL289786B2 (ja) |
| MX (1) | MX2022000733A (ja) |
| PY (1) | PY2036977A (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2487712B (en) | 2011-01-04 | 2015-10-28 | Otsuka Pharma Co Ltd | Use of the phytocannabinoid cannabidiol (CBD) in combination with a standard anti-epileptic drug (SAED) in the treatment of epilepsy |
| GB2495118B (en) | 2011-09-29 | 2016-05-18 | Otsuka Pharma Co Ltd | A pharmaceutical composition comprising the phytocannabinoids cannabidivarin (CBDV) and cannabidiol (CBD) |
| GB2530001B (en) | 2014-06-17 | 2019-01-16 | Gw Pharma Ltd | Use of cannabidiol in the reduction of convulsive seizure frequency in treatment-resistant epilepsy |
| GB2531282A (en) | 2014-10-14 | 2016-04-20 | Gw Pharma Ltd | Use of cannabinoids in the treatment of epilepsy |
| GB2539472A (en) | 2015-06-17 | 2016-12-21 | Gw Res Ltd | Use of cannabinoids in the treatment of epilepsy |
| GB2551987A (en) | 2016-07-01 | 2018-01-10 | Gw Res Ltd | Oral cannabinoid formulations |
| GB2560019A (en) | 2017-02-27 | 2018-08-29 | Gw Res Ltd | Use of cannabinoids in the treatment of leukaemia |
| GB2564383B (en) | 2017-06-23 | 2021-04-21 | Gw Res Ltd | Use of cannabidiol in the treatment of tumours assoicated with Tuberous Sclerosis Complex |
| GB2568929A (en) | 2017-12-01 | 2019-06-05 | Gw Res Ltd | Use of cannabinoids in the treatment of epilepsy |
| GB201910389D0 (en) | 2019-07-19 | 2019-09-04 | Gw Pharma Ltd | Novel compounds, methods for their manufacture, and uses thereof |
| GB2588576A (en) | 2019-08-27 | 2021-05-05 | Gw Res Ltd | Use of cannabinoids in the treatment of dyskinesia associated with Parkinson's disease |
| GB201916846D0 (en) | 2019-11-19 | 2020-01-01 | Gw Res Ltd | Cannabidiol-type cannabinoid compound |
| GB201916849D0 (en) | 2019-11-19 | 2020-01-01 | Gw Res Ltd | Cannabidiol-type cannabinoid compound |
| GB201916974D0 (en) | 2019-11-21 | 2020-01-08 | Gw Res Ltd | Cannabidol-type cannabinoid compound |
| GB202002754D0 (en) | 2020-02-27 | 2020-04-15 | Gw Res Ltd | Methods of treating tuberous sclerosis complex with cannabidiol and everolimus |
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