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Dimethylformamide → ethyl 3-[3-[3-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxy]-1-phenyl-1H-pyrazol-5-yl]propionate

HRID 1295344
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HRID 1295344 반응식
[OH:1][C:2]1[CH:6]=[C:5]([CH2:7][CH2:8][C:9]([O:11][CH2:12][CH3:13])=[O:10])[N:4]([C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)[N:3]=1.Cl[CH2:21][C:22]1[CH:23]=[C:24]([CH:39]=[CH:40][CH:41]=1)[O:25][CH2:26][C:27]1[N:28]=[C:29]([C:33]2[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=2)[O:30][C:31]=1[CH3:32].C(=O)([O-])[O-].[K+].[K+].CN(C)C=O>O>[CH3:32][C:31]1[O:30][C:29]([C:33]2[CH:34]=[CH:35][CH:36]=[CH:37][CH:38]=2)=[N:28][C:27]=1[CH2:26][O:25][C:24]1[CH:23]=[C:22]([CH:41]=[CH:40][CH:39]=1)[CH2:21][O:1][C:2]1[CH:6]=[C:5]([CH2:7][CH2:8][C:9]([O:11][CH2:12][CH3:13])=[O:10])[N:4]([C:14]2[CH:15]=[CH:16][CH:17]=[CH:18][CH:19]=2)[N:3]=1
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 6228DimethylformamideHCID 11430Potassium CarbonateHCID 108815514-(3-Chloromethylphenoxymethyl)-5-methyl-2-phenyloxazoleHCID 178471103ethyl 3-(3-hydroxy-1-phenyl-1H-pyrazol-5-yl)propanoate

생성물 1

HCID 69432474ethyl 3-[3-[3-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxy]-1-phenyl-1H-pyrazol-5-yl]propionate수율 90.2%

시약·촉매·용매

1
HCID 962Water용매

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온도
60 °C

실험 절차

A mixture of ethyl 3-(3-hydroxy-1-phenyl-1H-pyrazol-5-yl)propionate (460 mg), 4-(3-chloromethylphenoxymethyl)-5-methyl-2-phenyloxazole (550 mg), potassium carbonate (350 mg) and N,N-dimethylformamide. (10 ml) was stirred at 60° C. for 4 hrs. The reaction mixture was poured into water and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, dried (MgSO4) and concentrated. The residue was subjected to silica gel column chromatography, and ethyl 3-[3-[3-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxy]-1-phenyl-1H-pyrazol-5-yl]propionate (850 mg, yield 90%) was obtained as a colorless oil from a fraction eluted with ethyl acetate-hexane (1:1, volume ratio).

후처리

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe ethyl acetate layer was washed with saturated brine
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated

출처 및 근거

ORD 기록
ord-dbfb784930684f11bba681260b5d314b
출처 데이터셋
uspto-grants-2007_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07241785B2

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