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Methyl iodide → 7-(3,5-Dimethylisoxazol-4-yl)-1-methyl-4-phenyl-5,6-dihydro-4H-imidazo[4,5,1-ij]quinolin-2(1H)-one

HRID 589094
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HRID 589094 반응식
[CH3:1][C:2]1[C:6]([C:7]2[CH:16]=[CH:15][C:14]3[NH:17][C:18](=[O:19])[N:12]4[C:13]=3[C:8]=2[CH2:9][CH2:10][CH:11]4[C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)=[C:5]([CH3:26])[O:4][N:3]=1.[C:27](=O)([O-])[O-].[Cs+].[Cs+].CI>CN(C)C=O>[CH3:1][C:2]1[C:6]([C:7]2[CH:16]=[CH:15][C:14]3[N:17]([CH3:27])[C:18](=[O:19])[N:12]4[C:13]=3[C:8]=2[CH2:9][CH2:10][CH:11]4[C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)=[C:5]([CH3:26])[O:4][N:3]=1
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참가 물질

5

반응물 3

HCID 6328Methyl iodideHCID 10796Cesium carbonateHCID 904098527-(3,5-Dimethylisoxazol-4-yl)-4-phenyl-5,6-dihydro-4H-imidazo[4,5,1-ij]quinolin-2(1H)-one

생성물 1

HCID 904100527-(3,5-Dimethylisoxazol-4-yl)-1-methyl-4-phenyl-5,6-dihydro-4H-imidazo[4,5,1-ij]quinolin-2(1H)-one수율 74%

시약·촉매·용매 1

HCID 6228Dimethylformamide
용매

실험 절차

A solution of 7-(3,5-dimethylisoxazol-4-yl)-4-phenyl-5,6-dihydro-4H-imidazo[4,5,1-ij]quinolin-2(1H)-one (10.7 g, 0.031 mmol) in N,N-dimethylformamide (0.50 mL) was treated with cesium carbonate (20.2 g, 0.062 mmol) followed by methyl iodide (2.9 μL, 46.5 μmol) and stirred at room temperature for 16 h. Purification via preparative LCMS (XBridge C18 column, eluting with a gradient of acetonitrile/water containing 0.1% trifluoroacetic acid, at flow rate of 60 mL/min) gave the desired product (8.2 mg, 74%) as a racemic mixture. 1H NMR (400 MHz, CDCl3) δ 7.35-7.20 (m, 3H), 7.03 (d, J=6.9 Hz, 2H), 6.99-6.93 (m, 1H), 6.93-6.84 (m, 1H), 5.53 (s, 1H), 3.49 (s, 3H), 2.48-2.11 (m, 7H), 2.09-1.84 (m, 3H); LCMS calculated for C22H22N3O2 (M+H)+: m/z=360.2. found: 360.1.

후처리

  1. customPurification via preparative LCMS (XBridge C18 column
  2. washeluting with a gradient of acetonitrile/water containing 0.1% trifluoroacetic acid, at flow rate of 60 mL/min)

출처 및 근거

ORD 기록
ord-b606733fc7ed4cb3958c8b6e99c4fe59
출처 데이터셋
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09227985B2

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