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Cesium carbonate → ethyl 4-[5-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-3,4-dihydro-2(1H)-isoquinolinyl]butanoate formic acid salt

HRID 2059928
ノート
印刷プレビュー

反応式

HRID 2059928 の反応式
[CH3:1][CH:2]([O:4][C:5]1[CH:12]=[CH:11][C:10]([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:9][C:6]=1[C:7]#[N:8])[CH3:3].Br[CH2:29][CH2:30][CH2:31][C:32]([O:34][CH2:35][CH3:36])=[O:33].C([O-])([O-])=O.[Cs+].[Cs+]>CN(C=O)C>[CH:32]([OH:34])=[O:33].[C:7]([C:6]1[CH:9]=[C:10]([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]([CH2:29][CH2:30][CH2:31][C:32]([O:34][CH2:35][CH3:36])=[O:33])[CH2:23]4)[N:14]=2)[CH:11]=[CH:12][C:5]=1[O:4][CH:2]([CH3:1])[CH3:3])#[N:8]
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 3

HCID 10796Cesium carbonateHCID 76300Ethyl 4-bromobutyrate2 回HCID 441248992-[(1-Methylethyl)oxy]-5-[3-(1,2,3,4-tetrahydro-5-isoquinolinyl)-1,2,4-oxadiazol-5-yl]benzonitrile

生成物 1

HCID 68500834ethyl 4-[5-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-3,4-dihydro-2(1H)-isoquinolinyl]butanoate formic acid salt

試薬・触媒・溶媒 1

HCID 6228
Dimethylformamide
溶媒

実験手順

A suspension of 2-[(1-methylethyl)oxy]-5-[3-(1,2,3,4-tetrahydro-5-isoquinolinyl)-1,2,4-oxadiazol-5-yl]benzonitrile (Example 3, 28.8 mg, 0.080 mmol), ethyl 4-bromobutyrate (45.8 μl, 0.32 mmol) and Cs2CO3 (130 mg, 0.40 mmol) in DMF (2 mL) was stirred at room temperature for 1 h, and then irradiated to 60° C. for 5 min in the microwave. More ethyl 4-bromobutyrate (45.8 μl, 0.32 mmol) was added and the suspension was stirred at room temperature for 3.5 h. It was then filtered, concentrated in vacuo and purified by MDAP to give the title compound as a yellow film (8.0 mg, 21%). 1H NMR (400 MHz, CDCl3) δ 8.42 (1H, d), 8.34 (1H, dd), 8.27 (br. s), 8.09 (1H, d), 7.39 (1H, t), 7.27 (1H, d), 7.13 (1H, d), 4.80 (1H, sept), 4.19 (2H, s), 4.13 (2H, q), 3.47 (2H, t), 3.28 (2H, t), 2.99 (2H, t), 2.44 (2H, t), 2.10 (2H, quin), 1.48 (6H, d), 1.25 (3H, t); m/z (ES) 475 [M+H]+.

後処理

  1. customirradiated to 60° C. for 5 min in the microwave
  2. stirringthe suspension was stirred at room temperature for 3.5 h
  3. filtrationIt was then filtered
  4. concentrationconcentrated in vacuo
  5. custompurified by MDAP

出典と根拠

ORDレコード
ord-165c1bfa5eee4175b170599625078d91
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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