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Dimethyl Ether → 3-Methoxy-4-(2-methoxyethoxy)phenylboronic acid

HRID 1175148
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인쇄 미리보기

반응식

HRID 1175148 반응식
[OH:1][C:2]1[CH:7]=[CH:6][C:5]([B:8]2[O:16]C(C)(C)C(C)(C)[O:9]2)=[CH:4][C:3]=1[O:17][CH3:18].[CH3:19][O:20][CH3:21].[C:22]([O-])([O-])=O.[Cs+].[Cs+]>CN(C=O)C.CC(OC)(C)C.CCCCCCC>[CH3:18][O:17][C:3]1[CH:4]=[C:5]([B:8]([OH:9])[OH:16])[CH:6]=[CH:7][C:2]=1[O:1][CH2:22][CH2:19][O:20][CH3:21]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 8254Dimethyl EtherHCID 10796Cesium carbonateHCID 27346502-Methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol

생성물 1

HCID 666839933-Methoxy-4-(2-methoxyethoxy)phenylboronic acid

시약·촉매·용매 2

HCID 6228Dimethylformamide용매HCID 22389680MTBE heptane용매

실험 절차

4-Hydroxy-3-methoxyphenylboronic acid pinacol ester (Aldrich, 518786) (1 g; 4 mmol), 2-bromomethyl)-methylether (0.83 g; 6 mmol) and Cs2CO3 (2.6 g; 8 mmol) in DMF (10 ml) are heated to 130° C. for 45 minutes. The reaction mixture is diluted with TBME/heptane (5 ml/5 ml), filtered and evaporated to deliver the title compound as yellow oil used without further purification in Example 79.

후처리

  1. filtrationfiltered
  2. customevaporated
  3. customused without further purification in Example 79

출처 및 근거

ORD 기록
ord-2162e5bd9a1b4cfdad86ae80be1b76d2
출처 데이터셋
uspto-grants-2010_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07838674B2

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