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Triphenylphosphine → 2-Methoxy-5-[3-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-2,6-dimethylphenoxy]-propyl]-pyridine

HRID 53206
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인쇄 미리보기

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HRID 53206 반응식
[CH3:1][C:2]1[O:6][N:5]=[C:4]([C:7]2[CH:12]=[C:11]([CH3:13])[C:10]([OH:14])=[C:9]([CH3:15])[CH:8]=2)[N:3]=1.[CH3:16][O:17][C:18]1[CH:23]=[CH:22][C:21]([CH2:24][CH2:25][CH2:26]O)=[CH:20][N:19]=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.CCOC(/N=N/C(OCC)=O)=O>C(Cl)Cl>[CH3:16][O:17][C:18]1[CH:23]=[CH:22][C:21]([CH2:24][CH2:25][CH2:26][O:14][C:10]2[C:11]([CH3:13])=[CH:12][C:7]([C:4]3[N:3]=[C:2]([CH3:1])[O:6][N:5]=3)=[CH:8][C:9]=2[CH3:15])=[CH:20][N:19]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 11776TriphenylphosphineHCID 5462977Diethyl azodicarboxylateHCID 215852063-(6-Methoxypyridin-3-yl)propan-1-olHCID 1354490044-(5-Methyl-1,2,4-oxadiazol-3-yl)-2,6-dimethylphenol

생성물 1

HCID 190820432-Methoxy-5-[3-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-2,6-dimethylphenoxy]-propyl]-pyridine수율 72.6%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

To a suspension of 0.81 g (3.9 mmol) of 4-(5-methyl-1,2,4-oxadiazol-3-yl)-2,6-dimethylphenol, 0.8 g (1.2 eq) of 2-methoxy-5-(3-hydroxypropyl)-pyridine, 1.4 g (1.2 eq) of triphenylphosphine in 70 ml of methylene chloride under nitrogen at 5° C. was added in portions 0.88 g (1.2 eq) of DEAD. The mixture was concentrated in vacuo, the residue was triturated with ether, filtered, and the crude product was purified by MPLC (50 id,Kieselgel 60 column, hexane/ethyl acetate, 2:1) and recrystallization from isopropyl acetate/hexane to afford 1 g (71.4%) of 2-methoxy-5-[3-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-2,6-dimethylphenoxy]-propyl]-pyridine, as a white powder, m.p. 71°-73° C.

후처리

  1. concentrationThe mixture was concentrated in vacuo
  2. customthe residue was triturated with ether
  3. filtrationfiltered
  4. customthe crude product was purified by MPLC (50 id,Kieselgel 60 column, hexane/ethyl acetate, 2:1) and recrystallization from isopropyl acetate/hexane

출처 및 근거

ORD 기록
ord-da156c8f973444be9cb494f3d3ef9ea7
출처 데이터셋
uspto-grants-1997_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05618821

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