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

HRID 2059927
ノート
印刷プレビュー

反応式

HRID 2059927 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][C:31]([O:33][CH3:34])=[O:32].C([O-])([O-])=O.[Cs+].[Cs+]>CN(C=O)C>[CH:31]([OH:33])=[O:32].[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][C:31]([O:33][CH3:34])=[O:32])[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 76934Methyl 3-bromopropanoate2 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 68498188Methyl 3-[5-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-3,4-dihydro-2(1H)-isoquinolinyl]propanoate 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), methyl 3-bromopropionate (35 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 methyl 3-bromopropionate (35 μl, 0.32 mmol) was added and the suspension was stirred at room temperature for 3.5 h, and then irradiated to increasing temperatures in the microwave until 150° C. for 30 min was achieved. The suspension was filtered and concentrated in vacuo then purified by MDAP to give the title compound as a yellow film (5.9 mg, 17%). 1H NMR (400 MHz, CDCl3) δ 8.42 (1H, d), 8.33 (1H, dd), 8.21 (1H, br. s), 8.04 (1H, d), 7.35 (1H, t), 7.24 (1H, d), 7.13 (1H, d), 4.80 (1H, sept), 3.99 (2H, s), 3.72 (3H, s), 3.38 (2H, t), 3.12-3.06 (4H, m), 2.78 (2H, t), 1.48 (6H, d); m/z (ES) 447 [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. customirradiated
  4. temperatureto increasing temperatures in the microwave until 150° C. for 30 min
  5. filtrationThe suspension was filtered
  6. concentrationconcentrated in vacuo
  7. customthen purified by MDAP

出典と根拠

ORDレコード
ord-171be327a7b5428f82c10ba3e35f0eb1
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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