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2-(4-fluorophenyl)-N-methyl-6-(N-methylmethylsulfonamido)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzofuran-3-carboxamide → (E)-5-(6-chloro-5-(2-ethoxyvinyl)pyridin-2-yl)-2-(4-fluorophenyl)-N-methyl-6-(N-methylmethylsulfonamido)benzofuran-3-carboxamide

HRID 595755
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인쇄 미리보기

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HRID 595755 반응식
[Cl:1][C:2]1[C:7](/[CH:8]=[CH:9]/[O:10][CH2:11][CH3:12])=[CH:6][CH:5]=[C:4](Cl)[N:3]=1.[F:14][C:15]1[CH:20]=[CH:19][C:18]([C:21]2[O:22][C:23]3[CH:33]=[C:32]([N:34]([CH3:39])[S:35]([CH3:38])(=[O:37])=[O:36])[C:31](B4OC(C)(C)C(C)(C)O4)=[CH:30][C:24]=3[C:25]=2[C:26]([NH:28][CH3:29])=[O:27])=[CH:17][CH:16]=1>O1CCOCC1.O.[Pd](Cl)Cl.C(P(C(C)(C)C)[C-]1C=CC=C1)(C)(C)C.[C-]1(P(C(C)(C)C)C(C)(C)C)C=CC=C1.[Fe+2]>[Cl:1][C:2]1[N:3]=[C:4]([C:31]2[C:32]([N:34]([CH3:39])[S:35]([CH3:38])(=[O:37])=[O:36])=[CH:33][C:23]3[O:22][C:21]([C:18]4[CH:19]=[CH:20][C:15]([F:14])=[CH:16][CH:17]=4)=[C:25]([C:26]([NH:28][CH3:29])=[O:27])[C:24]=3[CH:30]=2)[CH:5]=[CH:6][C:7]=1/[CH:8]=[CH:9]/[O:10][CH2:11][CH3:12]
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참가 물질

6

반응물 2

HCID 682394022-(4-fluorophenyl)-N-methyl-6-(N-methylmethylsulfonamido)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzofuran-3-carboxamideHCID 90332512(E)-2,6-dichloro-3-(2-ethoxyvinyl)pyridine

생성물 1

HCID 90332463(E)-5-(6-chloro-5-(2-ethoxyvinyl)pyridin-2-yl)-2-(4-fluorophenyl)-N-methyl-6-(N-methylmethylsulfonamido)benzofuran-3-carboxamide수율 16%

시약·촉매·용매 3

HCID 178454861
HCID 178454861, 화합물
촉매
HCID 962Water용매
HCID 312751,4-Dioxane용매

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온도
90 °C

실험 절차

To a degassed solution of (E)-2,6-dichloro-3-(2-ethoxyvinyl)pyridine (500 mg, 2.29 mmol) and 2-(4-fluorophenyl)-N-methyl-6-(N-methylmethylsulfonamido)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzofuran-3-carboxamide (1.15 g, 2.29 mmol) in 1,4-dioxane (8 mL) and water (200 μL) was added CS2CO3 (1.49 g, 4.59 mmol) and 1,1′-bis(di-tert-butylphosphino)ferrocene palladium chloride (120 mg, 0.18 mmol) under N2 protection. The resulting mixture was heated to 90° C. and stirred at this temperature overnight. The reaction was cooled, filtered through a pad of the celite and washed with ethyl acetate. The combined filtrate was evaporated in vacuo. The resulting residue was purified using column chromatography (eluted with 0-30% EtOAc/DCM) to provide (E)-5-(6-chloro-5-(2-ethoxyvinyl)pyridin-2-yl)-2-(4-fluorophenyl)-N-methyl-6-(N-methylmethylsulfonamido)benzofuran-3-carboxamide (200 mg, yield: 16%). MS (M+H)+: 558.

후처리

  1. temperatureThe reaction was cooled
  2. filtrationfiltered through a pad of the celite
  3. washwashed with ethyl acetate
  4. customThe combined filtrate was evaporated in vacuo
  5. customThe resulting residue was purified
  6. washcolumn chromatography (eluted with 0-30% EtOAc/DCM)

출처 및 근거

ORD 기록
ord-8c37636084ce4ef8bb08f7b3b88f29e1
출처 데이터셋
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09243002B2

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