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Triethylamine → 6-(5-Methoxy-benzofuran-2-yl)-nicotinamide

HRID 501043
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HRID 501043 반응식
[CH3:1][O:2][C:3]1[CH:4]=[CH:5][C:6]2[O:10][C:9](B(O)O)=[CH:8][C:7]=2[CH:14]=1.Br[C:16]1[CH:24]=[CH:23][C:19]([C:20]([NH2:22])=[O:21])=[CH:18][N:17]=1.CCN(CC)CC>CCO.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[CH3:1][O:2][C:3]1[CH:4]=[CH:5][C:6]2[O:10][C:9]([C:16]3[CH:24]=[CH:23][C:19]([C:20]([NH2:22])=[O:21])=[CH:18][N:17]=3)=[CH:8][C:7]=2[CH:14]=1
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 8471TriethylamineHCID 184194566-BromonicotinamideHCID 22221596(5-Methoxy-1-benzofuran-2-yl)boronic acid

생성물 1

HCID 250149326-(5-Methoxy-benzofuran-2-yl)-nicotinamide수율 31.7%

시약·촉매·용매 2

HCID 178418476HCID 178418476, 화합물촉매
HCID 702
Ethanol
용매

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온도
140 °C

실험 절차

5-methoxybenzofuran boronic acid (1.2 mmol), 6-bromonicotinamide (1.0 mmol), Pd(PPh3)2Cl2 (0.024 mmol) and NEt3 (317 μL) were mixed in EtOH (10 mL) in a 20 mL microwave vial. The mixture was stirred at 140° C. for 10 min in a microwave reactor. The mixture was filtered, the obtained precipitate was washed with water and EtOAc and dried under vacuum to afford the title compound (85 mg). 1H NMR δ ppm 9.14 (d, 1 H) 8.42 (dd, 1 H) 7.97-8.25 (m, 2 H) 7.63-7.80 (m, 2 H) 7.58 (d, 1 H) 7.22 (d, 1 H) 6.98 (dd, 1H) 3.81 (s, 3 H); MS m/z 269 (M+H).

후처리

  1. filtrationThe mixture was filtered
  2. washthe obtained precipitate was washed with water and EtOAc
  3. customdried under vacuum

출처 및 근거

ORD 기록
ord-e7a46a32da9b47ad8262f29699fe97bd
출처 데이터셋
uspto-grants-2010_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07772256B2

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