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Sodium hydride → 2-(cyclopropylmethyl)-8-(1-isopropylpiperidin-4-yloxy)-3,4-dihydropyrazino[1,2-a]indol-1(2H)-one

HRID 2105356
ノート
印刷プレビュー

反応式

HRID 2105356 の反応式
[CH:1]([N:4]1[CH2:9][CH2:8][CH:7]([O:10][C:11]2[CH:19]=[CH:18][C:17]3[N:16]4[CH2:20][CH2:21][NH:22][C:23](=[O:24])[C:15]4=[CH:14][C:13]=3[CH:12]=2)[CH2:6][CH2:5]1)([CH3:3])[CH3:2].[H-].[Na+].Br[CH2:28][CH:29]1[CH2:31][CH2:30]1.[Cl-].[NH4+]>CN(C)C=O>[CH:29]1([CH2:28][N:22]2[CH2:21][CH2:20][N:16]3[C:17]4[CH:18]=[CH:19][C:11]([O:10][CH:7]5[CH2:8][CH2:9][N:4]([CH:1]([CH3:3])[CH3:2])[CH2:5][CH2:6]5)=[CH:12][C:13]=4[CH:14]=[C:15]3[C:23]2=[O:24])[CH2:31][CH2:30]1
参加物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 24758Sodium hydrideHCID 25517Ammonium ChlorideHCID 81503BromomethylcyclopropaneHCID 166795188-(1-isopropylpiperidin-4-yloxy)-3,4-dihydropyrazino[1,2-a]indol-1(2H)-one

生成物 1

HCID 529412692-(cyclopropylmethyl)-8-(1-isopropylpiperidin-4-yloxy)-3,4-dihydropyrazino[1,2-a]indol-1(2H)-one収率 38%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

To the solution of 0.15 g (0.46 mmol) 8-(1-isopropyl-piperidin-4-yloxy)-3,4-dihydro-2H-pyrazino[1,2-a]indol-1-one (example 1) in 3 mL N,N-dimethylformamide, 24 mg (0.55 mmol, 55% dispersion in mineral oil) sodium hydride was added. After 30 min., 1-(bromomethyl)cyclopropane was added and the mixture was stirred until completion of the reaction as indicated by TLC (2 h). The reaction mixture was poured on 10% aqueous ammonium chloride solution and was extracted three times with ethyl acetate. The organic layers were washed with water and brine, dried over magnesium sulfate, filtered and evaporated. The residue was purified by flash column chromatography on silica gel with dichloromethane:methanol:ammonia (9:1:0.1 v/v) to give the desired compound as a white solid (38%).

後処理

  1. customas indicated by TLC (2 h)
  2. extractionwas extracted three times with ethyl acetate
  3. washThe organic layers were washed with water and brine
  4. dry with materialdried over magnesium sulfate
  5. filtrationfiltered
  6. customevaporated
  7. customThe residue was purified by flash column chromatography on silica gel with dichloromethane:methanol:ammonia (9:1:0.1 v/v)

出典と根拠

ORDレコード
ord-ffa135858d7242a8a6dbe95c70e15d66
出典データセット
uspto-grants-2009_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07579351B2

反応ノート

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