Potassium Carbonate → Methyl 2'-methyl-2-nitro-1,1'-biphenyl-4-carboxylate

HRID 219776

반응식

HRID 219776 반응식
Br[C:2]1[CH:11]=[CH:10][C:5]([C:6]([O:8][CH3:9])=[O:7])=[CH:4][C:3]=1[N+:12]([O-:14])=[O:13].[C:15]1([CH3:24])[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=1B(O)O.C(=O)([O-])[O-].[K+].[K+]>C1(C)C=CC=CC=1.O.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>[CH3:24][C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=1[C:2]1[CH:11]=[CH:10][C:5]([C:6]([O:8][CH3:9])=[O:7])=[CH:4][C:3]=1[N+:12]([O-:14])=[O:13]

참가 물질

7

반응물 3

HCID 11430Potassium CarbonateHCID 27332672-Methylphenyl boronic acidHCID 2736829Methyl 4-bromo-3-nitrobenzoate

생성물 1

HCID 59606541Methyl 2'-methyl-2-nitro-1,1'-biphenyl-4-carboxylate수율 79.9%

시약·촉매·용매 3

HCID 178418397HCID 178418397, 화합물촉매HCID 962Water용매HCID 1140Toluene용매

반응 조건

온도
120 °C

실험 절차

To a solution of methyl 4-bromo-3-nitrobenzoate (Chess, 3 g, 11.53 mmol) in toluene (100 mL) and water (100 mL) was added o-tolylboronic acid (1.88 g, 13.84 mmol) followed by potassium carbonate (7.972 g, 57.68 mmol), tetrakis(triphenylphosphine)palladium(0) (0.668 g, 0.577 mmol). The reaction mixture was refluxed at 120° C. for 14 h. After the completion of reaction, it was cooled to RT and organic layer was separated and evaporated under reduced pressure. The crude compound was passed through silica pad (60-120 mesh) using hexane as eluent to give the title compound as a white solid (2.5 g, 79%). 1H NMR: (DMSO-d6, 400 MHz) δ 8.52 (s, 1H), 8.29-8.26 (m, 1H), 7.63-7.61 (m, 1H), 7.34-7.33 (m, 2H), 7.23 (m, 1H), 7.13 (m, 1H), 3.94 (s, 3H), 2.04 (s, 3H).

후처리

  1. customAfter the completion of reaction, it
  2. temperaturewas cooled to RT
  3. customorganic layer was separated
  4. customevaporated under reduced pressure

출처 및 근거

ORD 기록
ord-41538cc7baf64588a9bc20fb5653d958
출처 데이터셋
uspto-grants-2012_06
특허 번호
US08202865B2

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