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Ethanol → 4-(1-benzothien-2-yl)-1-[2-(trimethylsilyl)ethoxy]methyl-1H-pyrrolo[2,3-b]pyridine

HRID 40920
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HRID 40920 반응식
[S:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[CH:3]=[C:2]1B(O)O.Br[C:14]1[CH:19]=[CH:18][N:17]=[C:16]2[N:20]([CH2:23][O:24][CH2:25][CH2:26][Si:27]([CH3:30])([CH3:29])[CH3:28])[CH:21]=[CH:22][C:15]=12.C1(C)C=CC=CC=1.C(O)C.C(=O)([O-])[O-].[K+].[K+]>O.C(OCC)(=O)C.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[S:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[CH:3]=[C:2]1[C:14]1[CH:19]=[CH:18][N:17]=[C:16]2[N:20]([CH2:23][O:24][CH2:25][CH2:26][Si:27]([CH3:30])([CH3:29])[CH3:28])[CH:21]=[CH:22][C:15]=12
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참가 물질

9

반응물 5

HCID 702EthanolHCID 1140TolueneHCID 2359Benzo(B)Thiophene-2-Boronic AcidHCID 11430Potassium CarbonateHCID 574775614-bromo-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-pyrrolo[2,3-b]pyridine

생성물 1

HCID 574804134-(1-benzothien-2-yl)-1-[2-(trimethylsilyl)ethoxy]methyl-1H-pyrrolo[2,3-b]pyridine
수율 87.6%

시약·촉매·용매 3

HCID 178418397HCID 178418397, 화합물촉매HCID 962Water용매HCID 8857Ethyl Acetate용매

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온도
120 °C

실험 절차

1-Benzothien-2-ylboronic acid (0.05 g, 0.0003 mol) and 4-bromo-1-[2-(trimethylsilyl)-ethoxy]methyl-1H-pyrrolo[2,3-b]pyridine (0.10 g, 0.00031 mol) were combined in toluene (3.0 mL, 0.028 mol) and ethanol (1.0 mL, 0.017 mol). Potassium carbonate (0.085 g, 0.00062 mol) dissolved in water (1.0 mL) then was added and the reaction was degassed with nitrogen. Then tetrakis(triphenylphosphine)palladium(0) (0.05 g, 0.00004 mol) was added and the reaction was heated to 120° C. in a sealed tube in the microwave for 60 minutes. This was allowed to cool to rt, taken up in ethyl acetate and washed with water 2×, brine, dried over magnesium sulfate and concentrated to give 4-(1-benzothien-2-yl)-1-[2-(trimethylsilyl)ethoxy]methyl-1H-pyrrolo[2,3-b]-pyridine (0.10 gm) as an oil, LC/MS (M+H)+ 381.

후처리

  1. additionthen was added
  2. customthe reaction was degassed with nitrogen
  3. temperatureto cool to rt
  4. washwashed with water 2×, brine
  5. dry with materialdried over magnesium sulfate
  6. concentrationconcentrated

출처 및 근거

ORD 기록
ord-c5d306496ced4dfc9adfe67a5ac25fdb
출처 데이터셋
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08530485B2

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