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Dimethylformamide → Ethyl 1-(methoxymethyl)-7-[methyl(2-thienylsulfonyl)amino]-5-(trifluoromethoxy)-1H-indole-2-carboxylate

HRID 1851382
ノート
印刷プレビュー

反応式

HRID 1851382 の反応式
[CH3:1][O:2][CH2:3][N:4]1[C:12]2[C:7](=[CH:8][C:9]([O:22][C:23]([F:26])([F:25])[F:24])=[CH:10][C:11]=2[NH:13][S:14]([C:17]2[S:18][CH:19]=[CH:20][CH:21]=2)(=[O:16])=[O:15])[CH:6]=[C:5]1[C:27]([O:29][CH2:30][CH3:31])=[O:28].[H-].[Na+].[CH3:34]N(C)C=O.CI>O1CCCC1.C(OCC)(=O)C>[CH3:1][O:2][CH2:3][N:4]1[C:12]2[C:7](=[CH:8][C:9]([O:22][C:23]([F:25])([F:26])[F:24])=[CH:10][C:11]=2[N:13]([CH3:34])[S:14]([C:17]2[S:18][CH:19]=[CH:20][CH:21]=2)(=[O:16])=[O:15])[CH:6]=[C:5]1[C:27]([O:29][CH2:30][CH3:31])=[O:28]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 6228DimethylformamideHCID 6328Methyl iodideHCID 24758Sodium hydrideHCID 57901669ethyl 1-(methoxymethyl)-7-[(2-thienylsulfonyl)amino]-5-(trifluoromethoxy)-1H-indole-2-carboxylate

生成物 1

HCID 57901767Ethyl 1-(methoxymethyl)-7-[methyl(2-thienylsulfonyl)amino]-5-(trifluoromethoxy)-1H-indole-2-carboxylate収率 68%

試薬・触媒・溶媒 2

HCID 8028Tetrahydrofuran溶媒HCID 8857Ethyl Acetate溶媒

実験手順

A mixture of ethyl 1-(methoxymethyl)-7-[(2-thienylsulfonyl)amino]-5-(trifluoromethoxy)-1H-indole-2-carboxylate (1.07 g), 60% sodium hydride (0.10 g) and N,N-dimethylformamide (14 mL) was stirred at room temperature for 40 min. A solution of methyl iodide (0.20 mL) in tetrahydrofuran (3 mL) was added dropwise, and the mixture was stirred at room temperature for 18 hr. The reaction solution was diluted with ethyl acetate, washed with aqueous citric acid solution, water and saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The obtained residue was subjected to silica gel column chromatography (ethyl acetate:hexane=5:95-15:85) to give the title compound (0.75 g, yield 68%) as pale-yellow needle crystals.

後処理

  1. stirringthe mixture was stirred at room temperature for 18 hr
  2. washwashed with aqueous citric acid solution, water and saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. concentrationconcentrated under reduced pressure

出典と根拠

ORDレコード
ord-3745d1c997394a27af7275134110460f
出典データセット
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08957070B2

反応ノート

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