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Methyl Acrylate → 3-[3-(2-tert-butoxycarbonylamino-2-methyl-propyl)-1H-indol-7-yl]-acrylic acid methyl ester

HRID 8105
ノート
印刷プレビュー

反応式

HRID 8105 の反応式
[C:1]([O:5][C:6]([NH:8][C:9]([CH3:29])([CH3:28])[CH2:10][C:11]1[C:19]2[C:14](=[C:15](OS(C(F)(F)F)(=O)=O)[CH:16]=[CH:17][CH:18]=2)[NH:13][CH:12]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[C:30]([O:34][CH3:35])(=[O:33])[CH:31]=[CH2:32].C(N(CC)CC)C.C(OCC)(=O)C>CN(C)C=O.[Cl-].[Na+].O.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[CH3:35][O:34][C:30](=[O:33])[CH:31]=[CH:32][C:15]1[CH:16]=[CH:17][CH:18]=[C:19]2[C:14]=1[NH:13][CH:12]=[C:11]2[CH2:10][C:9]([NH:8][C:6]([O:5][C:1]([CH3:4])([CH3:3])[CH3:2])=[O:7])([CH3:29])[CH3:28]
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

8

反応物 4

HCID 7294Methyl AcrylateHCID 8471TriethylamineHCID 8857Ethyl AcetateHCID 86595245trifluoro-methanesulfonic acid 3-(2-tert-butoxycarbonylamino-2-methyl-propyl)-1H-indol-7-yl ester

生成物 1

HCID 695178463-[3-(2-tert-butoxycarbonylamino-2-methyl-propyl)-1H-indol-7-yl]-acrylic acid methyl ester収率 82%

試薬・触媒・溶媒 3

HCID 178418476HCID 178418476、化合物触媒
HCID 6228Dimethylformamide溶媒
HCID 57417360Sodium chloride; water溶媒

反応条件

温度
90 °C

実験手順

Trifluoro-methanesulfonic acid 3-(2-tert-butoxycarbonylamino-2-methyl-propyl)-1H-indol-7-yl ester (200 mg, 0.46 mmol), methyl acrylate (80 mg, 0.92 mmol) and triethylamine (0.40 mL, 3.0 mmol) is stirred in dimethylformamide (2.0 mL) at room temperature for 30 minutes. Dichlorobis(triphenylphosphine)palladium (31 mg, 0.045 mmol) is added, the reaction mixture is heated to 90° C. and allowed to stir overnight. The reaction is cooled to room temperature, poured into a separatory funnel containing ethyl acetate and brine (50 mL each) and the aqeous layer is extracted with ethyl acetate (50 mL). The combined organic layers are washed with brine, dried (Na2SO4) and evaporated. The residue is purified using silica gel chromatography (20% ethyl acetate/hexane) to give 140 mg of 3-[3-(2-tert-butoxycarbonylamino-2-methyl-propyl)-1H-indol-7-yl]-acrylic acid methyl ester (82%). FDMS mie =372.2 (M++1).

後処理

  1. temperatureThe reaction is cooled to room temperature
  2. additionpoured into a separatory funnel
  3. extractionthe aqeous layer is extracted with ethyl acetate (50 mL)
  4. washThe combined organic layers are washed with brine
  5. dry with materialdried (Na2SO4)
  6. customevaporated
  7. customThe residue is purified

出典と根拠

ORDレコード
ord-d71cbd8395f942d6899bd3f39091693f
出典データセット
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07087635B2

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