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Potassium Carbonate → 3-(4-Bromo-2-formyl-phenoxy)-2,2-dimethyl-propionic acid methyl ester

HRID 1728178
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HRID 1728178 반응식
[Br:1][C:2]1[CH:3]=[CH:4][C:5]([OH:10])=[C:6]([CH:9]=1)[CH:7]=[O:8].[CH3:11][O:12][C:13](=[O:29])[C:14]([CH3:28])([CH3:27])[CH2:15]OS(C1C=CC(C)=CC=1)(=O)=O.C([O-])([O-])=O.[K+].[K+]>CN(C=O)C>[CH3:11][O:12][C:13](=[O:29])[C:14]([CH3:28])([CH3:27])[CH2:15][O:10][C:5]1[CH:4]=[CH:3][C:2]([Br:1])=[CH:9][C:6]=1[CH:7]=[O:8]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 11430Potassium CarbonateHCID 728635-BromosalicylaldehydeHCID 22479327Methyl 3-(p-tolylsulfonyloxy)-2,2-dimethylpropanoate

생성물 1

HCID 575659193-(4-Bromo-2-formyl-phenoxy)-2,2-dimethyl-propionic acid methyl ester수율 904.3%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

5-Bromo-2-hydroxy-benzaldehyde (4 g, 2 mmol), 2,2-dimethyl-3-(toluene-4-sulfonyloxy)-propionic acid methyl ester (5.46 g, 24 mmol), K2CO3 (5.5 g, 40 mmol) and KI (0.1 g) were mixed in DMF (20 mL). Then the mixture was irradiated under microwave at 150° C. for 1 h. The mixture was filtered and the filtrate was concentrated. The residue was dissolved in ethyl acetate and washed with 1N NaOH. Then the organic layer was separated, dried over Na2SO4 and concentrated to give title compound 5.7 g.

후처리

  1. customThen the mixture was irradiated under microwave at 150° C. for 1 h
  2. filtrationThe mixture was filtered
  3. concentrationthe filtrate was concentrated
  4. dissolutionThe residue was dissolved in ethyl acetate
  5. washwashed with 1N NaOH
  6. customThen the organic layer was separated
  7. dry with materialdried over Na2SO4
  8. concentrationconcentrated

출처 및 근거

ORD 기록
ord-433e15e370e94c9392ad3d4f37f5b16b
출처 데이터셋
uspto-grants-2009_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07495007B2

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