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Potassium Carbonate → 4-Chloro-2-(2-methoxy-1-methyl-2-oxoethoxy)benzoic acid, methyl ester

HRID 326292
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인쇄 미리보기

반응식

HRID 326292 반응식
[Cl:1][C:2]1[CH:3]=[C:4]([OH:12])[C:5](=[CH:10][CH:11]=1)[C:6]([O:8][CH3:9])=[O:7].Br[CH2:14][CH2:15][C:16]([O:18][CH3:19])=[O:17].C(=O)([O-])[O-].[K+].[K+]>CN(C)C=O.O>[Cl:1][C:2]1[CH:11]=[CH:10][C:5]([C:6]([O:8][CH3:9])=[O:7])=[C:4]([O:12][CH:15]([CH3:14])[C:16]([O:18][CH3:19])=[O:17])[CH:3]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 11430Potassium CarbonateHCID 76934Methyl 3-bromopropanoateHCID 327085Methyl 4-chloro-2-hydroxybenzoate

생성물 1

HCID 867465134-Chloro-2-(2-methoxy-1-methyl-2-oxoethoxy)benzoic acid, methyl ester수율 102.6%

시약·촉매·용매 2

HCID 962Water용매HCID 6228
Dimethylformamide
용매

실험 절차

A solution of methyl 4-chlorosalicylate (5.0 g) in dimethylformamide (10 ml) was treated sequentially with methyl 3-bromopropionate (4.0 g) and potassium carbonate (6.0 g). The mixture was stirred at room temperature for 18 hrs and diluted with water. The mixture was extracted with ether and the organics were washed with water. The organic layer was dried and evaporated to give the desired material (6.7 g) as a low melting solid.

후처리

  1. extractionThe mixture was extracted with ether
  2. washthe organics were washed with water
  3. customThe organic layer was dried
  4. customevaporated

출처 및 근거

ORD 기록
ord-8198a2330a7f46ca82ba8cd5a6afbe06
출처 데이터셋
uspto-grants-1993_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05268388

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