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[1-(4-chloro-benzyl)-1H-indol-3-yl]-[4-pyridin-2-yl-5-(toluene-4-sulfonyl)-1-(2-trimethylsilanyl-ethoxymethyl)-1H-imidazol-2-yl]-methanol → [1-(4-Chloro-benzyl)-1H-indol-3-yl]-[4-pyridin-2-yl-5-(toluene-4-sulfonyl)-1-(2-trimethylsilanyl-ethoxymethyl)-1H-imidazol-2-yl]-methanone

HRID 352151
ノート
印刷プレビュー

反応式

HRID 352151 の反応式
[Cl:1][C:2]1[CH:48]=[CH:47][C:5]([CH2:6][N:7]2[C:15]3[C:10](=[CH:11][CH:12]=[CH:13][CH:14]=3)[C:9]([CH:16]([C:18]3[N:19]([CH2:39][O:40][CH2:41][CH2:42][Si:43]([CH3:46])([CH3:45])[CH3:44])[C:20]([S:29]([C:32]4[CH:37]=[CH:36][C:35]([CH3:38])=[CH:34][CH:33]=4)(=[O:31])=[O:30])=[C:21]([C:23]4[CH:28]=[CH:27][CH:26]=[CH:25][N:24]=4)[N:22]=3)[OH:17])=[CH:8]2)=[CH:4][CH:3]=1>ClCCl.O=[Mn]=O>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([CH2:6][N:7]2[C:15]3[C:10](=[CH:11][CH:12]=[CH:13][CH:14]=3)[C:9]([C:16]([C:18]3[N:19]([CH2:39][O:40][CH2:41][CH2:42][Si:43]([CH3:45])([CH3:44])[CH3:46])[C:20]([S:29]([C:32]4[CH:33]=[CH:34][C:35]([CH3:38])=[CH:36][CH:37]=4)(=[O:31])=[O:30])=[C:21]([C:23]4[CH:28]=[CH:27][CH:26]=[CH:25][N:24]=4)[N:22]=3)=[O:17])=[CH:8]2)=[CH:47][CH:48]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

4

反応物 1

HCID 12146872[1-(4-chloro-benzyl)-1H-indol-3-yl]-[4-pyridin-2-yl-5-(toluene-4-sulfonyl)-1-(2-trimethylsilanyl-ethoxymethyl)-1H-imidazol-2-yl]-methanol

生成物 1

HCID 12146873[1-(4-Chloro-benzyl)-1H-indol-3-yl]-[4-pyridin-2-yl-5-(toluene-4-sulfonyl)-1-(2-trimethylsilanyl-ethoxymethyl)-1H-imidazol-2-yl]-methanone

試薬・触媒・溶媒 2

HCID 14801Manganese dioxide触媒HCID 6344Dichloromethane溶媒

実験手順

Combined dichloromethane solution was washed with brine and dried over Na2SO4. After removal of the solvent under reduced pressure, the crude material was separated by silica gel chromatography (2:1 hexane/ethyl acetate to 2:1 ethyl acetate/hexane) to afford the desired intermediate [1-(4-chloro-benzyl)-1H-indol-3-yl]-[4-pyridin-2-yl-5-(toluene-4-sulfonyl)-1-(2-trimethylsilanyl-ethoxymethyl)-1H-imidazol-2-yl]-methanol as an oil (65 mg, 30%). 1H NMR (CDCl3) δ−0.05 (s, 9H), 0.70 (t, 2h, J=6), 2.55 (s, 3H), 3.2-3.35 (m, 2H), 4.02 (d, 1H, J=7), 5.2-5.4 (m, 2H), 5.41 (s,2H), 6.4 (d, 1H), 7.0-8.0 (m, 16 H), 8.8 (d,1H, J=5). ESMS calcd for (C37H39ClN4O4SSi): 698.6; found: 699.6 (M+H)+. A solution of [1-(4-chloro-benzyl)-1H-indol-3-yl]-[4-pyridin-2-yl-5-(toluene-4-sulfonyl)-1-(2-trimethylsilanyl-ethoxymethyl)-1H-imidazol-2-yl]-methanol (35 mg, 50.1 mmol) in dichloromethane was treated with excess of MnO2 (0.2 g, 2.3 mmol) at room temperature for 1 hour. MnO2 was then filtered off and the filtrate was concentrated under reduced pressure. Product [1-(4-Chloro-benzyl)-1H-indol-3-yl]-[4-pyridin-2-yl-5-(toluene-4-sulfonyl)-1-(2-trimethylsilanyl-ethoxymethyl)-1H-imidazol-2-yl]-methanone was obtained as an oil (34.2 mg, 98%). 1H NMR (CDCl3) δ0.21 (s, 9H), 0.85 (t, 2H, J=6), 2.50 (s, 3H), 3.55 (t, 2H, J=6), 5.54 (s, 2H), 6.13 (s, 2H), 7.25-7.55 (m, 11H), 7.91 (d, 2H, J=7), 8.05 (t, 1H, J=7), 8.65 (d, 1H, J=7), 8.85 (s, 1H), 8.95 (d, 1H, J=7). ESMS calcd for (C37H37ClN4O4Ssi): 696.6; found: 697.6 (M+H)+.

後処理

  1. filtrationMnO2 was then filtered off
  2. concentrationthe filtrate was concentrated under reduced pressure

出典と根拠

ORDレコード
ord-8ab22b7b5b8244bcaded9da5674ade80
出典データセット
uspto-grants-2004_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06743919B2

反応ノート

読み込み中…

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