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Dimethylformamide → methyl [1-methyl-3-[3-(5-methyl-2-phenyl-4-oxazolylmethoxy)-5-isoxazolylmethoxy]-1H-pyrazol-4-yl]acetate

HRID 1295303
ノート
印刷プレビュー

反応式

HRID 1295303 の反応式
[OH:1][C:2]1[C:6]([CH2:7][C:8]([O:10][CH3:11])=[O:9])=[CH:5][N:4]([CH3:12])[N:3]=1.Cl[CH2:14][C:15]1[O:19][N:18]=[C:17]([O:20][CH2:21][C:22]2[N:23]=[C:24]([C:28]3[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=3)[O:25][C:26]=2[CH3:27])[CH:16]=1.C(=O)([O-])[O-].[K+].[K+].CN(C)C=O>O>[CH3:12][N:4]1[CH:5]=[C:6]([CH2:7][C:8]([O:10][CH3:11])=[O:9])[C:2]([O:1][CH2:14][C:15]2[O:19][N:18]=[C:17]([O:20][CH2:21][C:22]3[N:23]=[C:24]([C:28]4[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=4)[O:25][C:26]=3[CH3:27])[CH:16]=2)=[N:3]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 178612855-Chloromethyl-3-(5-methyl-2-phenyl-4-oxazolylmethoxy)isoxazoleHCID 178499559HCID 178499559、化合物

生成物 1

HCID 86591676methyl [1-methyl-3-[3-(5-methyl-2-phenyl-4-oxazolylmethoxy)-5-isoxazolylmethoxy]-1H-pyrazol-4-yl]acetate収率 91.4%

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 methyl (3-hydroxy-1-methyl-1H-pyrazol-4-yl)acetate (298 mg), 5-chloromethyl-3-(5-methyl-2-phenyl-4-oxazolylmethoxy)isoxazole (533 mg), potassium carbonate (484 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 methyl [1-methyl-3-[3-(5-methyl-2-phenyl-4-oxazolylmethoxy)-5-isoxazolylmethoxy]-1H-pyrazol-4-yl]acetate (701 mg, yield 91%) was obtained as a colorless oil from a fraction eluted with ethyl acetate-hexane (2:1, 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-aa8204a4c5774022ae86142fd83a4c9a
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

読み込み中…

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