Ethanol → Ethyl 1-methyl-1H-indole-6-carboxylate

HRID 342063

反応式

HRID 342063 の反応式
[CH3:1][N:2]1[C:10]2[C:5](=[CH:6][CH:7]=[C:8]([C:11]([OH:13])=[O:12])[CH:9]=2)[CH:4]=[CH:3]1.Cl.[CH2:15](N=C=NCCCN(C)C)[CH3:16].C(O)C>C(Cl)Cl.CN(C)C1C=CN=CC=1>[CH2:15]([O:12][C:11]([C:8]1[CH:9]=[C:10]2[C:5]([CH:4]=[CH:3][N:2]2[CH3:1])=[CH:6][CH:7]=1)=[O:13])[CH3:16]

参加物

6

反応物 3

HCID 702EthanolHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 198192611-Methyl-1H-indole-6-carboxylic acid

生成物 1

HCID 53770857Ethyl 1-methyl-1H-indole-6-carboxylate収率 89%

試薬・触媒・溶媒 2

HCID 142844-(Dimethylamino)pyridine触媒HCID 6344Dichloromethane溶媒2 回

実験手順

A solution of 1.05 g (6.0 mmol) of 1-methyl-1H-indole-6-carboxylic acid in 15 mL of methylene chloride was added to a stirring solution of 1.905 g (10 mmole) of 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride, 1.20 g (10 mmole) of 4-dimethylaminopyridine in 20 mL of methylene chloride at room temperature. Ethanol was added and the reaction stirred for 15 h. The reaction mixture was extracted with ethyl acetate, the organic phase was washed with brine and dried on anhydrous magnesium sulfate. Chromatographic purification of this material gave 1.08 g (89%) of 1-methyl-1H-indole-6-carboxylic acid ethyl ester as a pale yellow oil.

後処理

  1. extractionThe reaction mixture was extracted with ethyl acetate
  2. washthe organic phase was washed with brine
  3. dry with materialdried on anhydrous magnesium sulfate
  4. customChromatographic purification of this material

出典と根拠

ORDレコード
ord-24151c348c884256a03b40ffeba6dca5
出典データセット
uspto-grants-1999_01
特許番号
US05856517

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