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Potassium Iodide → (2R)-1-[3,5-bis(trifluoromethyl)benzoyl]-2-(1H-indol-3-ylmethyl)-4-(2-phenyl-2-ethanon-1-yl)piperazine

HRID 10168
ノート
印刷プレビュー

反応式

HRID 10168 の反応式
[CH2:1](Br)[C:2]([C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1)=[O:3].[F:11][C:12]([F:42])([F:41])[C:13]1[CH:14]=[C:15]([CH:34]=[C:35]([C:37]([F:40])([F:39])[F:38])[CH:36]=1)[C:16]([N:18]1[CH2:23][CH2:22][NH:21][CH2:20][C@H:19]1[CH2:24][C:25]1[C:33]2[C:28](=[CH:29][CH:30]=[CH:31][CH:32]=2)[NH:27][CH:26]=1)=[O:17].[I-].[K+].C(N(C(C)C)CC)(C)C>C(#N)C>[F:40][C:37]([F:38])([F:39])[C:35]1[CH:34]=[C:15]([CH:14]=[C:13]([C:12]([F:11])([F:41])[F:42])[CH:36]=1)[C:16]([N:18]1[CH2:23][CH2:22][N:21]([CH2:1][C:2]([C:4]2[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=2)=[O:3])[CH2:20][C@H:19]1[CH2:24][C:25]1[C:33]2[C:28](=[CH:29][CH:30]=[CH:31][CH:32]=2)[NH:27][CH:26]=1)=[O:17]
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 4875Potassium IodideHCID 6259Phenacyl bromideHCID 81531DiisopropylethylamineHCID 10972505(2R)-1-[3,5-bis(trifluoromethyl)benzoyl]-2-(1H-indol-3-ylmethyl)piperazine

生成物 1

HCID 58681866(2R)-1-[3,5-bis(trifluoromethyl)benzoyl]-2-(1H-indol-3-ylmethyl)-4-(2-phenyl-2-ethanon-1-yl)piperazine収率 85.8%

試薬・触媒・溶媒 1

HCID 6342Acetonitrile溶媒

実験手順

A mixture of phenacyl bromide (0.88 g), (2R)-1-[3,5-bis(trifluoromethyl)benzoyl]-2-(1H-indol-3-ylmethyl)piperazine (2 g), potassium iodide (catalytical), diisopropyl-ethylamine (0.77 mL), and acetonitrile (20 mL) was stirred at room temperature overnight. After cooling to room temperature the solvent was removed in vacuo, and the residue treated with dichloromethane and NaOH (2N). The layers were separated, the organic layer was dried (Na2SO4), and concentrated in vacuo. The residue was purified by flash chromatography (SiO2, CH2Cl2/MeOH 97/3) to afford (2R)-1-[3,5-bis(trifluoromethyl)benzoyl]-2-(1H-indol-3-ylmethyl)-4-(2-phenyl-2-ethanon-1-yl)piperazine 2.16 g (85%). MH+ 574, Rf 0.44 (CH2Cl2/MeOH 97/3).

後処理

  1. temperatureAfter cooling to room temperature the solvent
  2. customwas removed in vacuo
  3. additionthe residue treated with dichloromethane and NaOH (2N)
  4. customThe layers were separated
  5. dry with materialthe organic layer was dried (Na2SO4)
  6. concentrationconcentrated in vacuo
  7. customThe residue was purified by flash chromatography (SiO2, CH2Cl2/MeOH 97/3)

出典と根拠

ORDレコード
ord-432a32e32913427491b423a3888d4dd7
出典データセット
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07094779B2

反応ノート

読み込み中…

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