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Phosphorus tribromide → 1-[4'-(4-Bromomethyl-3-methyl-isoxazol-5-yl)-biphenyl-4-yl]-cyclopropanecarboxylic acid ethyl ester

HRID 1512578
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HRID 1512578 반응식
P(Br)(Br)[Br:2].[CH2:5]([O:7][C:8]([C:10]1([C:13]2[CH:18]=[CH:17][C:16]([C:19]3[CH:24]=[CH:23][C:22]([C:25]4[O:29][N:28]=[C:27]([CH3:30])[C:26]=4[CH2:31]O)=[CH:21][CH:20]=3)=[CH:15][CH:14]=2)[CH2:12][CH2:11]1)=[O:9])[CH3:6].C([O-])(O)=O.[Na+]>COCCOC>[CH2:5]([O:7][C:8]([C:10]1([C:13]2[CH:18]=[CH:17][C:16]([C:19]3[CH:24]=[CH:23][C:22]([C:25]4[O:29][N:28]=[C:27]([CH3:30])[C:26]=4[CH2:31][Br:2])=[CH:21][CH:20]=3)=[CH:15][CH:14]=2)[CH2:12][CH2:11]1)=[O:9])[CH3:6]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 24614Phosphorus tribromideHCID 516892Sodium BicarbonateHCID 665772181-[4'-(4-Hydroxymethyl-3-methyl-isoxazol-5-yl)-biphenyl-4-yl]-cyclopropanecarboxylic acid ethyl ester

생성물 1

HCID 665771991-[4'-(4-Bromomethyl-3-methyl-isoxazol-5-yl)-biphenyl-4-yl]-cyclopropanecarboxylic acid ethyl ester

시약·촉매·용매 1

HCID 80711,2-Dimethoxyethane
용매

실험 절차

Phosphorus tribromide (0.43 mL, 4.53 mmol) was added to a solution of 1-[4′-(4-hydroxymethyl-3-methyl-isoxazol-5-yl)-biphenyl-4-yl]-cyclopropanecarboxylic acid ethyl ester (1.14 g, 3.02 mmol) in DME (30 mL) at 0° C. The reaction was stirred overnight at room temperature then cooled to 0° C. and neutralized with saturated aqueous NaHCO3 to pH 7. The mixture was partitioned between CH2Cl2 and H2O and the aqueous layer was extracted with CH2Cl2. The combined organic layers were dried over MgSO4, filtered, and concentrated, and the residue was purified by silica gel chromatography to give the title compound.

후처리

  1. customThe mixture was partitioned between CH2Cl2 and H2O
  2. extractionthe aqueous layer was extracted with CH2Cl2
  3. dry with materialThe combined organic layers were dried over MgSO4
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customthe residue was purified by silica gel chromatography

출처 및 근거

ORD 기록
ord-c0503a1b1e0a427794f73a556ab3e1c0
출처 데이터셋
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08217066B2

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