JP7171444B2 - ウイルス感染治療用のジヒドロピラノピリミジン - Google Patents
ウイルス感染治療用のジヒドロピラノピリミジン Download PDFInfo
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- JP7171444B2 JP7171444B2 JP2018566863A JP2018566863A JP7171444B2 JP 7171444 B2 JP7171444 B2 JP 7171444B2 JP 2018566863 A JP2018566863 A JP 2018566863A JP 2018566863 A JP2018566863 A JP 2018566863A JP 7171444 B2 JP7171444 B2 JP 7171444B2
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Classifications
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- C07D491/052—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being six-membered
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Landscapes
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Description
の化合物、またはその薬学的に許容される塩、互変異性体、立体異性体の形態、溶媒和物もしくは多形体(式中、
R1は、アルコールまたはC1~3アルコキシから独立に選択される1つ以上の置換基で任意選択により置換されるC1~6アルキルであり;
R2は、水素、フッ素、C1~3アルキル、シクロプロピル、-CF3、C1~3アルコキシ、またはニトリルから選択される)
が提供される。
2-アミノ-7,8-ジヒドロ-5H-ピラノ[4,3-d]ピリミジン-4-オール(1)。塩酸グアニジン(906mg、9.48mmol)のエタノール(30mL)懸濁液に、ナトリウムエトキシド(4.03mL、9.48mmol)を添加し、得られた混合物を室温で10分間撹拌し、その後エタノール(35mL)中の4-オキソテトラヒドロ-2H-ピラン-3-カルボン酸メチル(1.00g、6.32mmol)を添加した。反応混合物を、80℃で一晩加熱し、続いて濃縮乾固させ、残渣を水で希釈し、HCl(1N水溶液)によりpHを4に調整した。得られた混合物を室温で2時間撹拌した。沈殿した固体を濾過により単離し、水で洗浄し、真空中で乾燥させて、淡黄色固体として標題の化合物を得た(860mg、81%)。1H NMR(400MHz,DMSO-d6)δ ppm 2.36(t,J=5.56Hz,2H),3.77(t,J=5.56Hz,2H),4.24(s,2H),6.34(s,2H),10.78(s,1H).
2-アミノ-5,8-ジヒドロ-6H-ピラノ[3,4-d]ピリミジン-4-オール(5)。塩酸グアニジン(832mg、8.71mmol)のエタノール(30mL)懸濁液に、ナトリウムエトキシド(3.71mL、8.71mmol)を添加し、得られた混合物を室温で10分間撹拌し、その後エタノール(30mL)中の3-オキソテトラヒドロ-2H-ピラン-4-カルボン酸エチル(1.00g、5.81mmol)を添加した。反応混合物を、80℃で一晩加熱し、続いて濃縮乾固させ、残渣を水で希釈し、(HCl、1N水溶液)によりpHを4に調整した。得られた混合物を室温で2時間撹拌した。沈殿した固体を濾過により単離し、水で洗浄し、真空中で乾燥させて、淡桃色固体として標題の化合物を得た(970mg、100%)。1H NMR(400MHz,DMSO-d6)δ ppm 2.26(t,J=5.56Hz,2H),3.75(t,J=5.56Hz,2H),4.14(s,2H),6.29(s,2H),10.71(s,1H).
2-ジアゾ-6-ヒドロキシ-3-オキソヘキサン酸エチル(9)。ジアゾ酢酸エチル(13.4g、118mmol)とジヒドロフラン-2(3H)-オン(6.75g、78.4mmol)の無水THF(420mL)溶液に、LiHMDSの無水THF(78.4mL、118mmol、1.5M)溶液を-78℃で滴加し、反応混合物を-78℃で90分間撹拌した。反応混合物をNaHCO3水溶液で希釈し、得られた二相溶液をEtOAcにより3回抽出した。合わせた有機層をNH4Cl(水溶液)、続いて塩水で洗浄し、MgSO4で乾燥させ、固体を濾過により除去し、濾液の溶媒を減圧下で除去した。粗生成物を、ヘプタン/EtOAcの勾配を使用したシリカゲルカラムクロマトグラフィーにより精製して、黄色油として標題の化合物を得た(5.78g、37%)。1H NMR(400MHz,DMSO-d6)δ ppm 1.25(t,J=7.08Hz,3H),1.67(m,2H),2.81(t,J=7.33Hz,2H),3.40(td,J=6.50Hz,J=5.20Hz,2H),4.23(q,J=7.08Hz,2H),4.45(t,J=5.20Hz,1H).
LC測定を、脱気装置を有するバイナリポンプ、オートサンプラー、ダイオードアレイ検出器(DAD)および下記の方法で明記するカラムを備えた、カラムを40℃の温度に保持するUPLC Acquity(Waters)システムを使用して行った。カラムからの流れを、MS検出器に送った。MS検出器はエレクトロスプレーイオン源を備えるものであった。キャピラリーニードル電圧は3kVであり、イオン源温度を、Quattro(Waters製のトリプル四重極型質量分析装置)上で130℃に維持した。ネブライザーガスとして窒素を使用した。Waters-Micromass MassLynx-Openlynxデータシステムを用いてデータ収集を行った。
ヒトTLR7活性およびヒトTLR8活性の評価。化合物がヒトTLR7および/またはTLR8を活性化する能力を、TLR7またはTLR8発現ベクターおよびNFkB-lucレポーター構築物で一過的にトランスフェクトされたHEK293細胞を用いた細胞レポーターアッセイで評価した。
以下の態様を包含し得る。
[1] 式(I)、(II)または(III)
R 1 は、アルコールまたはC 1~3 アルコキシから独立に選択される1つ以上の置換基で任意選択により置換されるC 1~6 アルキルであり;
R 2 は、水素、フッ素、C 1~3 アルキル、シクロプロピル、-CF 3 、C 1~3 アルコキシ、またはニトリルから選択される)。
[2] 下記の構造を有する上記[1]に記載の化合物。
[4] 薬剤として使用するための、上記[1]に記載の式(I)、(II)もしくは(III)の化合物、もしくはその薬学的に許容される塩、互変異性体、立体異性体の形態、溶媒和物もしくは多形体、または上記[3]に記載の医薬組成物。
[5] TLR7および/またはTLR8、好ましくはTLR8の調節が関与する疾患の治療に使用するための、上記[1]に記載の式(I)、(II)もしくは(III)の化合物、もしくはその薬学的に許容される塩、互変異性体、立体異性体の形態、溶媒和物もしくは多形体、または上記[3]に記載の医薬組成物。
Claims (8)
- 請求項1~3のいずれか1項に記載の式(I)、(II)もしくは(III)の化合物、もしくはその薬学的に許容される塩、互変異性体、立体異性体の形態、溶媒和物もしくは多形体、または請求項4に記載の化合物を、1種以上の薬学的に許容される賦形剤、希釈剤または担体とともに含む医薬組成物。
- 薬剤として使用するための、請求項5に記載の医薬組成物。
- TLR7および/またはTLR8の調節が関与する疾患の治療に使用するための、請求項5に記載の医薬組成物。
- TLR8の調節が関与する疾患の治療に使用するための、請求項5に記載の医薬組成物。
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JP2019524662A (ja) | 2019-09-05 |
CN109476675A (zh) | 2019-03-15 |
MA45539A (fr) | 2019-05-08 |
WO2018002319A1 (en) | 2018-01-04 |
SG11201811448RA (en) | 2019-01-30 |
AU2017289418A1 (en) | 2019-01-03 |
AU2017289418B2 (en) | 2021-06-03 |
EP3478688A1 (en) | 2019-05-08 |
US20190322678A1 (en) | 2019-10-24 |
US11053256B2 (en) | 2021-07-06 |
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US20210387997A1 (en) | 2021-12-16 |
IL263972A (en) | 2019-01-31 |
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