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

HRID 1295342
ノート
印刷プレビュー

反応式

HRID 1295342 の反応式
[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:41]=[CH:40][C:25]([O:26][CH2:27][C:28]2[N:29]=[C:30]([C:34]3[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=3)[O:31][C:32]=2[CH3:33])=[CH:24][CH:23]=1.C(=O)([O-])[O-].[K+].[K+].CN(C)C=O>O>[CH3:33][C:32]1[O:31][C:30]([C:34]2[CH:35]=[CH:36][CH:37]=[CH:38][CH:39]=2)=[N:29][C:28]=1[CH2:27][O:26][C:25]1[CH:24]=[CH:23][C:22]([CH2:21][O:1][C:2]2[CH:6]=[C:5]([CH2:7][CH2:8][C:9]([O:11][CH2:12][CH3:13])=[O:10])[N:4]([C:14]3[CH:15]=[CH:16][CH:17]=[CH:18][CH:19]=3)[N:3]=2)=[CH:41][CH:40]=1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 6228DimethylformamideHCID 11430Potassium CarbonateHCID 109469404-(4-Chloromethylphenoxy)methyl-5-methyl-2-phenyloxazoleHCID 178471103ethyl 3-(3-hydroxy-1-phenyl-1H-pyrazol-5-yl)propanoate

生成物 1

HCID 69429333ethyl 3-[3-[4-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxy]-1-phenyl-1H-pyrazol-5-yl]propionate収率 95.3%

試薬・触媒・溶媒

1
HCID 962Water溶媒

反応条件

温度
60 °C

実験手順

A mixture of ethyl 3-(3-hydroxy-1-phenyl-1H-pyrazol-5-yl)propionate (500 mg), 4-(4-chloromethylphenoxymethyl)-5-methyl-2-phenyloxazole (600 mg), potassium carbonate (530 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-[4-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxy]-1-phenyl-1H-pyrazol-5-yl]propionate (980 mg, yield 95%) was obtained as a colorless oil from a fraction eluted with ethyl acetate-hexane (1:1, volume ratio).

後処理

  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

出典と根拠

ORDレコード
ord-8dec46bc2af740e18e9ad29b2331ccb1
出典データセット
uspto-grants-2007_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07241785B2

反応ノート

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このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート