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Cesium carbonate → 4'-{[4-Butyl-1-(3-{[tert-butyl(dimethyl)silyl]oxy}-2,2-dimethylpropyl)-2-methyl-6-oxo-1,6-dihydropyrimidin-5-yl]methyl}biphenyl-2-carbonitrile

HRID 1718380
ノート
印刷プレビュー

反応式

HRID 1718380 の反応式
[CH2:1]([C:5]1[N:6]=[C:7]([CH3:27])[NH:8][C:9](=[O:26])[C:10]=1[CH2:11][C:12]1[CH:17]=[CH:16][C:15]([C:18]2[C:19]([C:24]#[N:25])=[CH:20][CH:21]=[CH:22][CH:23]=2)=[CH:14][CH:13]=1)[CH2:2][CH2:3][CH3:4].C(=O)([O-])[O-].[Cs+].[Cs+].Br[CH2:35][C:36]([CH3:47])([CH3:46])[CH2:37][O:38][Si:39]([C:42]([CH3:45])([CH3:44])[CH3:43])([CH3:41])[CH3:40].CN(C)C(=O)C>C(OCC)(=O)C>[CH2:1]([C:5]1[N:6]=[C:7]([CH3:27])[N:8]([CH2:35][C:36]([CH3:47])([CH3:46])[CH2:37][O:38][Si:39]([C:42]([CH3:45])([CH3:44])[CH3:43])([CH3:40])[CH3:41])[C:9](=[O:26])[C:10]=1[CH2:11][C:12]1[CH:17]=[CH:16][C:15]([C:18]2[C:19]([C:24]#[N:25])=[CH:20][CH:21]=[CH:22][CH:23]=2)=[CH:14][CH:13]=1)[CH2:2][CH2:3][CH3:4]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 10796Cesium carbonateHCID 31374DimethylacetamideHCID 11780954(3-Bromo-2,2-dimethylpropoxy)(tert-butyl)dimethylsilaneHCID 1354012224'-[(4-Butyl-2-methyl-6-oxo-1,6-dihydropyrimidin-5-yl)methyl]biphenyl-2-carbonitrile

生成物 1

HCID 574602154'-{[4-Butyl-1-(3-{[tert-butyl(dimethyl)silyl]oxy}-2,2-dimethylpropyl)-2-methyl-6-oxo-1,6-dihydropyrimidin-5-yl]methyl}biphenyl-2-carbonitrile
収率 40.4%

試薬・触媒・溶媒 1

HCID 8857Ethyl Acetate溶媒

反応条件

温度
130 °C

実験手順

A mixture of 4′-[(4-butyl-2-methyl-6-oxo-1,6-dihydropyrimidin-5-yl)methyl]biphenyl-2-carbonitrile (1 g), cesium carbonate (4.1 g), (3-bromo-2,2-dimethylpropoxy)(tert-butyl)dimethylsilane (2.36 g) and N,N-dimethylacetamide (10 mL) was stirred at 130° C. for 2 hr. The reaction mixture was diluted with ethyl acetate, washed with 5% aqueous potassium hydrogen sulfate solution and then with saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure and the residue was purified by silica gel column chromatography to give the title compound as a colorless solid (0.63 g, 27%).

後処理

  1. washwashed with 5% aqueous potassium hydrogen sulfate solution
  2. dry with materialwith saturated brine, and dried over anhydrous magnesium sulfate
  3. customThe solvent was evaporated under reduced pressure
  4. customthe residue was purified by silica gel column chromatography

出典と根拠

ORDレコード
ord-bc9018279575477bb6c379ae531841af
出典データセット
uspto-grants-2010_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07803940B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート