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Methanol → 1-(2,2-difluorobenzo [d][1,3]dioxol-5-yl)-N-(4,5-dimethyl-6-(2-methyl-6-oxo-1,6-dihydropyridin-3-yl)pyridin-2-yl)cyclopropanecarboxamide

HRID 869944
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HRID 869944 반응식
[F:1][C:2]1([F:34])[O:6][C:5]2[CH:7]=[CH:8][C:9]([C:11]3([C:14]([NH:16][C:17]4[N:22]=[C:21]([C:23]5[C:24]([CH3:31])=[N:25][C:26]([O:29]C)=[CH:27][CH:28]=5)[C:20]([CH3:32])=[C:19]([CH3:33])[CH:18]=4)=[O:15])[CH2:13][CH2:12]3)=[CH:10][C:4]=2[O:3]1.[Si](I)(C)(C)C.CO.C(OCC)(=O)C>CC#N>[F:34][C:2]1([F:1])[O:6][C:5]2[CH:7]=[CH:8][C:9]([C:11]3([C:14]([NH:16][C:17]4[CH:18]=[C:19]([CH3:33])[C:20]([CH3:32])=[C:21]([C:23]5[CH:28]=[CH:27][C:26](=[O:29])[NH:25][C:24]=5[CH3:31])[N:22]=4)=[O:15])[CH2:13][CH2:12]3)=[CH:10][C:4]=2[O:3]1
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참가 물질

6

반응물 4

HCID 887MethanolHCID 8857Ethyl AcetateHCID 85247Trimethylsilyl iodideHCID 710530381-(2,2-difluorobenzo [d][1,3]dioxol-5-yl)-N-(6'-methoxy-2',3,4-trimethyl-2,3'-bipyridin-6-yl)cyclopropanecarboxamide

생성물 1

HCID 710530721-(2,2-difluorobenzo [d][1,3]dioxol-5-yl)-N-(4,5-dimethyl-6-(2-methyl-6-oxo-1,6-dihydropyridin-3-yl)pyridin-2-yl)cyclopropanecarboxamide
수율 74%

시약·촉매·용매 1

HCID 6342Acetonitrile용매

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온도
55 °C

실험 절차

To a suspension of 1-(2,2-difluorobenzo[d][1,3]dioxol-5-yl)-N-(6′-methoxy-2′,3,4-trimethyl-2,3′-bipyridin-6-yl)cyclopropanecarboxamide (41.6 mg, 0.09 mmol) in CH3CN (1.8 mL) was added TMSI (25.3 μL, 0.18 mmol) drop wise. The suspension became clear solution on TMSI addition. The reaction was stirred at 55° C. for 2 hours and 30 minutes. The reaction was allowed to cool down to room temperature. Methanol (1.0 mL) was added followed by ethyl acetate (6 mL). The organic layer was washed with NaHSO3 (2×), and brine (1×). The organic layer was dried over Na2SO4, filtered and evaporated under reduced pressure. The crude product was purified by column chromatography on silica gel (0-10% methanol in dichloromethane) to yield 1-(2,2-difluorobenzo[d][1,3]dioxol-5-yl)-N-(4,5-dimethyl-6-(2-methyl-6-oxo-1,6-dihydropyridin-3-yl)pyridin-2-yl)cyclopropanecarboxamide as a white solid (30 mg, 74%). ESI-MS m/z calc. 453.4. found 454.3 (M+1)+. Retention time 1.50 minutes.

후처리

  1. additionon TMSI addition
  2. temperatureto cool down to room temperature
  3. washThe organic layer was washed with NaHSO3 (2×), and brine (1×)
  4. dry with materialThe organic layer was dried over Na2SO4
  5. filtrationfiltered
  6. customevaporated under reduced pressure
  7. customThe crude product was purified by column chromatography on silica gel (0-10% methanol in dichloromethane)

출처 및 근거

ORD 기록
ord-058048705793456784b4c3dfcda8bc4c
출처 데이터셋
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08969386B2

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