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Water → 4'-[2-Propoxy-5-(hydroxyiminomethyl)-4-vinylimidazol-1-ylmethyl]-3'-fluorobiphenyl-2-carboxylic acid t-butyl ester

HRID 475678
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HRID 475678 반응식
[C:1]([O:5][C:6]([C:8]1[C:9]([C:14]2[CH:19]=[CH:18][C:17]([CH2:20][N:21]3[C:25]([CH:26]=[N:27][OH:28])=[C:24](Br)[N:23]=[C:22]3[O:30][CH2:31][CH2:32][CH3:33])=[C:16]([F:34])[CH:15]=2)=[CH:10][CH:11]=[CH:12][CH:13]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2].CO[CH2:37][CH2:38]OC.O.B1(C=C)OB(C=C)OB(C=C)O1.C1C=CN=CC=1.C(=O)([O-])[O-].[K+].[K+]>>[C:1]([O:5][C:6]([C:8]1[C:9]([C:14]2[CH:19]=[CH:18][C:17]([CH2:20][N:21]3[C:25]([CH:26]=[N:27][OH:28])=[C:24]([CH:37]=[CH2:38])[N:23]=[C:22]3[O:30][CH2:31][CH2:32][CH3:33])=[C:16]([F:34])[CH:15]=2)=[CH:10][CH:11]=[CH:12][CH:13]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 5

HCID 962WaterHCID 80711,2-DimethoxyethaneHCID 11430Potassium CarbonateHCID 27348062,4,6-Trivinylboroxin-Pyridine ComplexHCID 592839014'-[4-Bromo-5-(hydroxyiminomethyl)-2-propoxy-imidazol-1-ylmethyl]-3'-fluorobiphenyl-2-carboxylic acid t-butyl ester

생성물 1

HCID 72572956
4'-[2-Propoxy-5-(hydroxyiminomethyl)-4-vinylimidazol-1-ylmethyl]-3'-fluorobiphenyl-2-carboxylic acid t-butyl ester
수율 88.8%

실험 절차

Compound B (4.0 g), tetrakis(triphenyl-phosphine)palladium(0) (203 mg, 176 μmol) and 1,2-dimethoxyethane (100 Ml, 1 mol) were combined and stirred under nitrogen at room temperature for 20 minutes. Water (20.6 mL, 1.1 mol), 2,4,6-trivinylcyclotriboroxane pyridine complex (1.1 g, 44.4 mmol) and potassium carbonate (1.3 g, 9.3 mmol) were then added and the mixture was heated at 90° C. for 6-12 hours. The product was purified by flash chromatography in hexanes/EtOAc 0-75%) to yield compound C (3.2 g).

후처리

  1. temperaturethe mixture was heated at 90° C. for 6-12 hours
  2. customThe product was purified by flash chromatography in hexanes/EtOAc 0-75%)

출처 및 근거

ORD 기록
ord-b90da7b983a740a3a0efda8998610a62
출처 데이터셋
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08637562B2

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