Potassium Carbonate → 4-([1,1'-Biphenyl]-2 yl)-1H-indene

HRID 1772396노트

반응식

HRID 1772396 반응식
Br[C:2]1[CH:10]=[CH:9][CH:8]=[C:7]2[C:3]=1[CH:4]=[CH:5][CH2:6]2.[C:11]1([C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)[CH:16]=[CH:15][CH:14]=[CH:13][C:12]=1B(O)O.C(=O)([O-])[O-].[K+].[K+].O1CCOCC1>C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.Cl[Pd]Cl.O>[C:11]1([C:20]2[CH:21]=[CH:22][CH:23]=[CH:24][CH:25]=2)[CH:16]=[CH:15][CH:14]=[CH:13][C:12]=1[C:2]1[CH:10]=[CH:9][CH:8]=[C:7]2[C:3]=1[CH:4]=[CH:5][CH2:6]2

참가 물질

7

반응물 4

HCID 11430Potassium CarbonateHCID 312751,4-DioxaneHCID 4589187Biphenyl-2-boronic acidHCID 156376244-Bromo-1H-indene

생성물 1

HCID 219183954-([1,1'-Biphenyl]-2 yl)-1H-indene수율 91%

시약·촉매·용매 2

HCID 6102075Dichlorobis(triphenylphosphine)palladium촉매HCID 962Water용매2회

반응 조건

온도
80 °C

실험 절차

A mixture of compound 4 (40 g, 205 mmol, 1 equiv), (biphenyl-2-yl)boronic acid (81.2 g, 410 mmol, 2 equiv), powdered potassium carbonate (85 g, 615 mmol, 3 equiv), and bis(triphenylphosphine)palladium(II)dichloride (7.2 g, 10.3 mmol, 0.05 equiv), 1,4-dioxane (300 mL) and water (150 mL) was heated overnight at 80° C. The reaction was poured into 500 mL of water and extracted with ethyl acetate (3×400 mL). The combined organic layers were washed with saturated brine (300 mL), dried over sodium sulfate, and concentrated under reduced pressure. The resulting residue was purified over silica gel (400 g) eluting with heptanes to give compound (5) (50 g, 91% yield) as a light-yellow oil that slowly turned to an off-white solid on standing.

후처리

  1. extractionextracted with ethyl acetate (3×400 mL)
  2. washThe combined organic layers were washed with saturated brine (300 mL)
  3. dry with materialdried over sodium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe resulting residue was purified over silica gel (400 g)
  6. washeluting with heptanes

출처 및 근거

ORD 기록
ord-ea54cb875561400491736974eb20cadb
출처 데이터셋
uspto-grants-2016_02
특허 번호
US09249239B2

반응 노트

불러오는 중…