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Ethyl Acetate → HCID 117771658, 화합물

HRID 2201530
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HRID 2201530 반응식
Br[C:2]1[N:7]=[C:6]([C:8]([O:10][CH3:11])=[O:9])[C:5]([O:12][CH3:13])=[CH:4][CH: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.C([O-])([O-])=O.[K+].[K+].CCOC(C)=O>O1CCOCC1.O.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2]>[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:36])=[O:37])[C:31]([C:2]4[N:7]=[C:6]([C:8]([O:10][CH3:11])=[O:9])[C:5]([O:12][CH3:13])=[CH:4][CH:3]=4)=[CH:30][C:24]=3[C:25]=2[C:26](=[O:27])[NH:28][CH3:29])=[CH:17][CH:16]=1
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HCID 8857Ethyl AcetateHCID 11430Potassium CarbonateHCID 682394022-(4-fluorophenyl)-N-methyl-6-(N-methylmethylsulfonamido)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzofuran-3-carboxamideHCID 70700803Methyl 6-bromo-3-methoxypicolinate

생성물 1

HCID 117771658HCID 117771658, 화합물수율 91.2%

시약·촉매·용매 2

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)촉매HCID 218864351,4-Dioxane--water (1/1)용매

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온도
60 °C

실험 절차

To a stirring mixture of methyl 6-bromo-3-methoxypicolinate (200 mg, 0.81 mmol), 2-(4-fluorophenyl)-N-methyl-6-(N-methylmethylsulfonamido)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzofuran-3-carboxamide (408 mg, 0.81 mmol) and K2CO3 (146 mg, 1.06 mmol) in dioxane/H2O (4 mL/0.2 mL) was added Pd(dppf)Cl2 (20 mg) under N2 protection. The mixture was stirred at 60° C. for 5 h, and after concentrated in vacuo, the residue was extracted with EtOAc. The organic phase was washed with brine, dried over Na2SO4 and evaporated. The residue was purified by column chromatography (PE:EtOAc=2:1, then 1:1) to give the product of methyl 6-(2-(4-fluorophenyl)-3-(methylcarbamoyl)-6-(N-methylmethylsulfonamido)benzofuran-5-yl)-3-methoxypicolinate (400 mg, yield: 90%). 1H-NMR (CDCl3, 400 MHz) δ 7.88˜7.92 (m, 3H), 7.70 (d, J=8.8 Hz, 1H), 7.56 (s, 1H), 7.40 (d, J=8.8 Hz, 1H), 7.14 (t, J=8.8 Hz, 2H), 5.85 (d, J=3.2 Hz, 1H), 3.91 (s, 3H), 3.89 (s, 3H), 3.15 (s, 3H), 2.92 (d, J=4.8 Hz, 3H), 2.72 (s, 3H). MS (M+H)+: 542.

후처리

  1. concentrationafter concentrated in vacuo
  2. extractionthe residue was extracted with EtOAc
  3. washThe organic phase was washed with brine
  4. dry with materialdried over Na2SO4
  5. customevaporated
  6. customThe residue was purified by column chromatography (PE

출처 및 근거

ORD 기록
ord-61c259ec66b44a70bd76ba625767a9b8
출처 데이터셋
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09364482B2

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