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

HRID 1501423

반응식

HRID 1501423 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

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]pyridine수율 87.6%

시약·촉매·용매 3

HCID 178418397HCID 178418397, 화합물촉매HCID 962Water용매HCID 8857Ethyl Acetate용매

반응 조건

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-e9b4d56cb1ec442e8c172eb7d4a1193f
출처 데이터셋
uspto-grants-2015_12
특허 번호
US09206187B2

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