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Ethyl Acetate → (S)-methyl 1-cyclopentyl-5-fluoro-6-methyl-2-(5-(N-(1,1,1-trifluoropropan-2-yl)sulfamoyl)pyridin-2-yl)-1H-indole-3-carboxylate

HRID 1028022
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HRID 1028022 반응식
[CH:1]1([N:6]2[C:14]3[C:9](=[CH:10][C:11]([F:16])=[C:12]([CH3:15])[CH:13]=3)[C:8]([C:17]([O:19][CH3:20])=[O:18])=[C:7]2B(O)O)[CH2:5][CH2:4][CH2:3][CH2:2]1.Cl[C:25]1[N:30]=[CH:29][C:28]([S:31]([NH:34][C@@H:35]([CH3:40])[C:36]([F:39])([F:38])[F:37])(=[O:33])=[O:32])=[CH:27][CH:26]=1.C([O-])([O-])=O.[K+].[K+].C(OCC)(=O)C>C(#N)C>[CH:1]1([N:6]2[C:14]3[C:9](=[CH:10][C:11]([F:16])=[C:12]([CH3:15])[CH:13]=3)[C:8]([C:17]([O:19][CH3:20])=[O:18])=[C:7]2[C:25]2[CH:26]=[CH:27][C:28]([S:31](=[O:33])(=[O:32])[NH:34][C@@H:35]([CH3:40])[C:36]([F:38])([F:37])[F:39])=[CH:29][N:30]=2)[CH2:5][CH2:4][CH2:3][CH2:2]1
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참가 물질

6

반응물 4

HCID 8857Ethyl AcetateHCID 11430Potassium CarbonateHCID 667309151-cyclopentyl-5-fluoro-3-(methoxycarbonyl)-6-methyl-1H-indol-2-ylboronic acidHCID 86665920(S)-6-chloro-N-(1,1,1-trifluoropropan-2-yl)pyridine-3-sulfonamide

생성물 1

HCID 66730643(S)-methyl 1-cyclopentyl-5-fluoro-6-methyl-2-(5-(N-(1,1,1-trifluoropropan-2-yl)sulfamoyl)pyridin-2-yl)-1H-indole-3-carboxylate
수율 54%

시약·촉매·용매 1

HCID 6342Acetonitrile용매

실험 절차

A mixture of 1-cyclopentyl-5-fluoro-3-(methoxycarbonyl)-6-methyl-1H-indol-2-ylboronic acid (2.2 mmol), (S)-6-chloro-N-(1,1,1-trifluoropropan-2-yl)pyridine-3-sulfonamide (0.53 g, 1.83 mmol), PdCl2dppf (0.15 g, 0.183 mmol), aq. K2CO3 (2.0 M, 3.6 mL, 7.2 mmol) in acetonitrile (10 mL) was stirred at room temperature over the weekend. The mixture was treated with ethyl acetate and washed with water and brine and then concentrated. The residue was purified by flash chromatography with 0-15% ethyl acetate in CH2Cl2 to provide (S)-methyl 1-cyclopentyl-5-fluoro-6-methyl-2-(5-(N-(1,1,1-trifluoropropan-2-yl)sulfamoyl)pyridin-2-yl)-1H-indole-3-carboxylate (0.52 g, 54%). MS m/z 528.2 M+H+; 1H NMR (500 MHz, CDCl3): δ 9.21 (1H, d, J=1.8 Hz), 8.25 (1H, dd, J=8.2 Hz, J=2.2 Hz), 7.87 (1H, d, J=10.6 Hz), 7.73 (1H, d, J=8.2 Hz), 7.27 (1H, d, J=5.2 Hz), 5.09 (1H, d, J=9.6 Hz), 4.39-4.31 (1H, m), 4.17-4.10 (1H, m), 3.70 (3H, s), 2.44 (3H, d, J=1.8 Hz), 2.41-2.36 (2H, m), 2.20-1.96 (4H, m), 1.67-1.63 (2H, m), 1.45 (3H, d, J=7.0 Hz).

후처리

  1. washwashed with water and brine
  2. concentrationconcentrated
  3. customThe residue was purified by flash chromatography with 0-15% ethyl acetate in CH2Cl2

출처 및 근거

ORD 기록
ord-f43a549628114a8abe525be933bec518
출처 데이터셋
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08735414B2

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