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Potassium Carbonate → 1-(2-{[4-bromo-1-(2,2-dimethylpropyl)-1H-1,2,3-benzotriazol-5-yl]oxy}pyridin-3-yl)ethanone

HRID 872276
ノート
印刷プレビュー

反応式

HRID 872276 の反応式
[Br:1][C:2]1[C:10]2[N:9]=[N:8][N:7]([CH2:11][C:12]([CH3:15])([CH3:14])[CH3:13])[C:6]=2[CH:5]=[CH:4][C:3]=1[OH:16].[C:17]([C:20]1[C:21](F)=[N:22][CH:23]=[CH:24][CH:25]=1)(=[O:19])[CH3:18].C(=O)([O-])[O-].[K+].[K+]>C(#N)C>[Br:1][C:2]1[C:10]2[N:9]=[N:8][N:7]([CH2:11][C:12]([CH3:13])([CH3:15])[CH3:14])[C:6]=2[CH:5]=[CH:4][C:3]=1[O:16][C:21]1[C:20]([C:17](=[O:19])[CH3:18])=[CH:25][CH:24]=[CH:23][N:22]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 11430Potassium CarbonateHCID 127111221-(2-Fluoropyridin-3-yl)ethan-1-oneHCID 574249954-bromo-1-(2,2-dimethylpropyl)-1H-1,2,3-benzotriazol-5-ol

生成物 1

HCID 509965401-(2-{[4-bromo-1-(2,2-dimethylpropyl)-1H-1,2,3-benzotriazol-5-yl]oxy}pyridin-3-yl)ethanone

試薬・触媒・溶媒 1

HCID 6342Acetonitrile溶媒

実験手順

4-Bromo-1-(2,2-dimethylpropyl)-1H-1,2,3-benzotriazol-5-ol (1-6) (1 g, 3.52 mmol, 1.0 equiv.), 3-acetyl-2-fluoropyridine (0.979 g, 7.04 mmol, 2.0 equiv.) and potassium carbonate (0.973 g, 7.04 mmol, 2.0 equiv.) were dissolved in acetonitrile (10 ml). The mixture was irradiated at 200° C. in microwave reactor until LCMS showed mostly desired product. The solvent was evaporated in vacuo, the mixture was neutralized with saturated aqueous NH4Cl, and then extracted with EtOAc. The organic layers were dried over Na2SO4, filtered and concentrated in vacuo. The residue was purified by silica gel chromatography (EtOAc/Hexane gradient from 0 to 100%) to obtain 2. 1H NMR (CDCl3) δ 8.30-8.24 (1H, m), 8.24 (1H, s), 7.83 (1H, d, J=2.06 Hz), 7.56 (1H, d, J=8.91 Hz), 7.29 (1H, dd, J=2.1, 8.9 Hz), 7.16-7.10 (1H, m), 4.42 (2H, s), 2.80 (3H, s), 1.09 (9H, s) ppm. LRMS m/z (M+H) 403.0 and 405.0 (intensity ratio ˜1:1) found, 403.1 and 405.1 required.

後処理

  1. customThe mixture was irradiated at 200° C. in microwave reactor until LCMS

出典と根拠

ORDレコード
ord-82d95ec3d6994303be95beb39ca06f08
出典データセット
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08975286B2

反応ノート

読み込み中…

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