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Methylparaben → Methyl 4-(t-butyloxyacetyloxy)benzoate

HRID 1599937
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인쇄 미리보기

반응식

HRID 1599937 반응식
Br[CH2:2][C:3]([O:5][C:6]([CH3:9])([CH3:8])[CH3:7])=O.[OH:10][C:11]1[CH:20]=[CH:19][C:14]([C:15]([O:17][CH3:18])=[O:16])=[CH:13][CH:12]=1.C([O-])([O-])=[O:22].[Cs+].[Cs+]>CN(C=O)C.C(OCC)(=O)C>[C:6]([O:5][CH2:3][C:2]([O:10][C:11]1[CH:12]=[CH:13][C:14]([C:15]([O:17][CH3:18])=[O:16])=[CH:19][CH:20]=1)=[O:22])([CH3:9])([CH3:8])[CH3:7]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 7456MethylparabenHCID 10796Cesium carbonateHCID 79177tert-Butyl bromoacetate

생성물 1

HCID 18928531Methyl 4-(t-butyloxyacetyloxy)benzoate

시약·촉매·용매 2

HCID 6228Dimethylformamide용매HCID 8857Ethyl Acetate용매

실험 절차

이 페이지에서참가 물질실험 절차후처리출처 및 근거반응 노트

t-Butyl bromoacetate (0.83 mL, 5.1 mmol), methyl 4-hydroxybenzoate (780 mg, 5.1 mmol) and Cs2CO3 (1.83 g, 5.6 mmol) were combined in 25 mL DMF. After 16 h, the reaction was diluted with ethyl acetate, washed with water, saturated NaHCO3, 10% KHSO4 and brine, dried (MgSO4) and concentrated providing 24-1 as a yellow oil. Rf 0.84 (silica, 50% EtOAC/hexane).

후처리

  1. washwashed with water, saturated NaHCO3, 10% KHSO4 and brine
  2. dry with materialdried (MgSO4)
  3. concentrationconcentrated

출처 및 근거

ORD 기록
ord-67f65865393a4693a7fca6acffb3ae37
출처 데이터셋
uspto-grants-1998_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05741796

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