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Sodium Carbonate → 2'-Methyl-4'-(5-methyl-1,3,4-oxadiazol-2-yl)biphenyl-4-carboxylic acid

HRID 1872074
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HRID 1872074 반응식
Br[C:2]1[CH:7]=[CH:6][C:5]([C:8]2[O:9][C:10]([CH3:13])=[N:11][N:12]=2)=[CH:4][C:3]=1[CH3:14].B([C:18]1[CH:26]=[CH:25][C:21]([C:22]([OH:24])=[O:23])=[CH:20][CH:19]=1)(O)O.C(=O)([O-])[O-].[Na+].[Na+]>COCCOC.O>[CH3:14][C:3]1[CH:4]=[C:5]([C:8]2[O:9][C:10]([CH3:13])=[N:11][N:12]=2)[CH:6]=[CH:7][C:2]=1[C:18]1[CH:26]=[CH:25][C:21]([C:22]([OH:24])=[O:23])=[CH:20][CH:19]=1
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참가 물질

6

반응물 3

HCID 10340Sodium CarbonateHCID 3121834-Carboxyphenylboronic AcidHCID 114366932-(4-Bromo-3-methylphenyl)-5-methyl-1,3,4-oxadiazole

생성물 1

HCID 186900662'-Methyl-4'-(5-methyl-1,3,4-oxadiazol-2-yl)biphenyl-4-carboxylic acid수율 80.7%

시약·촉매·용매 2

HCID 962Water용매
HCID 8071
1,2-Dimethoxyethane
용매

실험 절차

A stirred solution of 2-(4-bromo-3-methylphenyl)-5-methyl-1,3,4-oxadiazole (EP 0533268 A1)(0.21 g, 0.0008 mole) in a mixture of DME (10 ml) and water (30 ml) under argon was treated with 4-boronobenzoic acid (0.14 g, 0.0008 mole), sodium carbonate (0.39 g, 0.0037 mole) and tetrakis (triphenylphosphine)palladium (0)(16 mg), then heated under reflux for 4 hours. The mixture was dried (Na2SO4) and concentrated in vacuo to leave the title compound as a white solid (0.19 g, 78%).

후처리

  1. temperatureheated
  2. temperatureunder reflux for 4 hours
  3. dry with materialThe mixture was dried (Na2SO4)
  4. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-b53cf99cabaa4ea98d3a68e6de1feba0
출처 데이터셋
uspto-grants-2000_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06107328

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