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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
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HRID 872276 반응식
[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
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참가 물질

5

반응물 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

생성물 1

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

시약·촉매·용매 1

HCID 6342Acetonitrile용매

실험 절차

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.

후처리

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

출처 및 근거

ORD 기록
ord-82d95ec3d6994303be95beb39ca06f08
출처 데이터셋
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08975286B2

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