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Benzyl Bromide → 4-(Benzyloxy)-2,6-dimethylbenzaldehyde

HRID 1013805
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HRID 1013805 반응식
[CH3:1][C:2]1[CH:9]=[C:8]([OH:10])[CH:7]=[C:6]([CH3:11])[C:3]=1[CH:4]=[O:5].[CH2:12](Br)[C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=1.C(=O)([O-])[O-].[K+].[K+]>CN(C=O)C>[CH2:12]([O:10][C:8]1[CH:9]=[C:2]([CH3:1])[C:3]([CH:4]=[O:5])=[C:6]([CH3:11])[CH:7]=1)[C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 7498Benzyl BromideHCID 11430Potassium CarbonateHCID 5910722,6-Dimethyl-4-hydroxybenzaldehyde

생성물 1

HCID 111608034-(Benzyloxy)-2,6-dimethylbenzaldehyde수율 100%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

Treat a solution of 2,6-Dimethyl-4-hydroxybenzaldehyde (4.0 g, 27 mmol) and benzyl bromide (3.3 mL, 28 mmol) in DMF (50 mL) with Potassium carbonate (4.5 g, 32 mmol). Heat the reaction to 60° C. and stir for 1 hr. Cool the reaction and quench with 1N aqueous HCl. Extract the aqueous with Et2O. Wash the organic with brine, dry over MgSO4, and filter. Remove the solvent to afford 6.4 g (100%) of product. 1H NMR (d6-CDCl3) δ 10.46 (s, 1H), 7.31-7.43 (m, 5H), 6.65 (s, 2H), 5.08 (s, 2H), 2.58 (s, 6H).

후처리

  1. temperatureHeat
  2. customthe reaction to 60° C.
  3. temperatureCool
  4. customthe reaction
  5. customquench with 1N aqueous HCl
  6. extractionExtract the aqueous with Et2O
  7. washWash the organic with brine
  8. dry with materialdry over MgSO4
  9. filtrationfilter
  10. customRemove the solvent

출처 및 근거

ORD 기록
ord-900108a7406b4ba7b4a02113e1a7119f
출처 데이터셋
uspto-grants-2011_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07981918B2

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