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Hydrochloric Acid → 2-[(1-Methylethyl)oxy]-5-[3-(1,2,3,4-tetrahydro-5-isoquinolinyl)-1,2,4-oxadiazol-5-yl]benzonitrile

HRID 2059946
ノート
印刷プレビュー

反応式

HRID 2059946 の反応式
[C:1]([C:3]1[CH:4]=[C:5]([C:13]2[O:17][N:16]=[C:15]([C:18]3[CH:27]=[CH:26][CH:25]=[C:24]4[C:19]=3[CH2:20][CH2:21][N:22](C(OC(C)(C)C)=O)[CH2:23]4)[N:14]=2)[CH:6]=[CH:7][C:8]=1[O:9][CH:10]([CH3:12])[CH3:11])#[N:2].Cl>O1CCOCC1.CO>[CH3:12][CH:10]([O:9][C:8]1[CH:7]=[CH:6][C:5]([C:13]2[O:17][N:16]=[C:15]([C:18]3[CH:27]=[CH:26][CH:25]=[C:24]4[C:19]=3[CH2:20][CH2:21][NH:22][CH2:23]4)[N:14]=2)=[CH:4][C:3]=1[C:1]#[N:2])[CH3:11]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

HCID 313Hydrochloric AcidHCID 575059191,1-dimethylethyl 5-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-3,4-dihydro-2(1H)-isoquinolinecarboxylate

生成物 1

HCID 441248992-[(1-Methylethyl)oxy]-5-[3-(1,2,3,4-tetrahydro-5-isoquinolinyl)-1,2,4-oxadiazol-5-yl]benzonitrile

試薬・触媒・溶媒 2

HCID 887Methanol溶媒HCID 312751,4-Dioxane
溶媒

実験手順

A mixture of 1,1-dimethylethyl 5-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-3,4-dihydro-2(1H)-isoquinolinecarboxylate (Preparation 4, 512 mg, 1.11 mmol) and 4M HCl in dioxane (20 ml) was stirred at room temperature for 18 h. The mixture was concentrated in vacuo to give a pale yellow solid, which was redissolved in MeOH. This solution was applied to an SCX-3 cartridge (10 g), and the product eluted with 1% NH3 in MeOH. Concentration gave a yellow oil, that became a solid on standing overnight (366 mg, 91%). 1H NMR (400 MHz, d6-DMSO) δ 8.38 (1H, d), 8.32 (1H, dd), 7.94 (1H, d), 7.32-7.17 (2H, m), 7.13 (1H, m), 4.80 (1H, sept), 4.10 (2H, s), 3.20-3.14 (4H, m), 1.48 (6H, d); m/z (ES) 361 [M+H]+.

後処理

  1. concentrationThe mixture was concentrated in vacuo
  2. customto give a pale yellow solid, which
  3. washthe product eluted with 1% NH3 in MeOH
  4. concentrationConcentration
  5. customgave a yellow oil, that
  6. waiton standing overnight

出典と根拠

ORDレコード
ord-4280ccf1c897442d954a5f89fb4eff73
出典データセット
uspto-grants-2012_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08278324B2

反応ノート

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