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18-Crown-6 → 1-{4-[3-(Difluoromethyl)-2-oxoimidazolidin-1-yl]-2-fluorophenyl}-5-methoxy-3-(1-phenyl-1H-pyrazol-5-yl)pyridazin-4(1H)-one

HRID 1624826
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HRID 1624826 반응식
[F:1][C:2]1[CH:7]=[C:6]([N:8]2[CH2:12][CH2:11][NH:10][C:9]2=[O:13])[CH:5]=[CH:4][C:3]=1[N:14]1[CH:19]=[C:18]([O:20][CH3:21])[C:17](=[O:22])[C:16]([C:23]2[N:27]([C:28]3[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=3)[N:26]=[CH:25][CH:24]=2)=[N:15]1.Cl[C:35]([F:40])([F:39])C([O-])=O.[Na+].C1OCCOCCOCCOCCOCCOC1>C(#N)C>[F:39][CH:35]([F:40])[N:10]1[CH2:11][CH2:12][N:8]([C:6]2[CH:5]=[CH:4][C:3]([N:14]3[CH:19]=[C:18]([O:20][CH3:21])[C:17](=[O:22])[C:16]([C:23]4[N:27]([C:28]5[CH:29]=[CH:30][CH:31]=[CH:32][CH:33]=5)[N:26]=[CH:25][CH:24]=4)=[N:15]3)=[C:2]([F:1])[CH:7]=2)[C:9]1=[O:13]
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참가 물질

5

반응물 3

HCID 2855718-Crown-6HCID 2734985Sodium chlorodifluoroacetateHCID 580724131-[2-Fluoro-4-(2-oxoimidazolidin-1-yl)phenyl]-5-methoxy-3-(1-phenyl-1H-pyrazol-5-yl)pyridazin-4(1H)-one

생성물 1

HCID 580725261-{4-[3-(Difluoromethyl)-2-oxoimidazolidin-1-yl]-2-fluorophenyl}-5-methoxy-3-(1-phenyl-1H-pyrazol-5-yl)pyridazin-4(1H)-one수율 2.3%

시약·촉매·용매 1

HCID 6342
Acetonitrile
용매

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온도
90 °C

실험 절차

A mixture of 1-[2-fluoro-4-(2-oxoimidazolidin-1-yl)phenyl]-5-methoxy-3-(1-phenyl-1H-pyrazol-5-yl)pyridazin-4(1H)-one (100 mg, 0.22 mmol), sodium chlorodifluoroacetate (40 mg, 0.26 mmol), and 18-crown-6 (12 mg, 0.044 mmol) in acetonitrile (10 mL) was stirred at 90° C. for 20 h. After cooling to room temperature, to the reaction mixture was added silica gel. This mixture was evaporated, and purified by silica gel column chromatography eluting with AcOEt/MeOH (1/0 to 10/1) to give the title compound (2.5 mg, 2.3% yield) as a pale yellow powder: 1H NMR (300 MHz, DMSO-d6): δ ppm 1.11-1.40 (4H, m), 3.61-3.86 (4H, m), 6.96 (1H, d, J=1.9 Hz), 7.01-7.15 (1H, m), 7.16-7.50 (6H, m), 7.71 (1H, dd, J=13.6, 2.3 Hz), 7.79 (1H, d, J=2.3 Hz), 8.47 (1H, d, J=1.9 Hz). LC-MS (ESI) m/z 497 [M+H]+.

후처리

  1. temperatureAfter cooling to room temperature, to the reaction mixture
  2. additionwas added silica gel
  3. customThis mixture was evaporated
  4. custompurified by silica gel column chromatography
  5. washeluting with AcOEt/MeOH (1/0 to 10/1)

출처 및 근거

ORD 기록
ord-17aabec5c0f14630b45f59f7d04a5db4
출처 데이터셋
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08778944B2

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