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Dimethylformamide → Methyl 2-[3-[[2-[2-(5-methyl-2-phenyl-4-oxazolyl)ethyl]-4-thiazolyl]methoxy]phenyl]acetate

HRID 1294326
ノート
印刷プレビュー

反応式

HRID 1294326 の反応式
Cl[CH2:2][C:3]1[N:4]=[C:5]([CH2:8][CH2:9][C:10]2[N:11]=[C:12]([C:16]3[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=3)[O:13][C:14]=2[CH3:15])[S:6][CH:7]=1.[OH:22][C:23]1[CH:24]=[C:25]([CH2:29][C:30]([O:32][CH3:33])=[O:31])[CH:26]=[CH:27][CH:28]=1.CN(C)C=O.[H-].[Na+]>O>[CH3:15][C:14]1[O:13][C:12]([C:16]2[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=2)=[N:11][C:10]=1[CH2:9][CH2:8][C:5]1[S:6][CH:7]=[C:3]([CH2:2][O:22][C:23]2[CH:24]=[C:25]([CH2:29][C:30]([O:32][CH3:33])=[O:31])[CH:26]=[CH:27][CH:28]=2)[N:4]=1
参加物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 24758Sodium hydrideHCID 39129Methyl 3-HydroxyphenylacetateHCID 178613444-[2-(4-Chloromethyl-2-thiazolyl)ethyl]-5-methyl-2-phenyloxazole

生成物 1

HCID 68884766Methyl 2-[3-[[2-[2-(5-methyl-2-phenyl-4-oxazolyl)ethyl]-4-thiazolyl]methoxy]phenyl]acetate収率 38.3%

試薬・触媒・溶媒 1

HCID 962
Water
溶媒

実験手順

To a mixture of 4-[2-(4-chloromethyl-2-thiazolyl)ethyl]-5-methyl-2-phenyloxazole (0.64 g), methyl 2-(3-hydroxyphenyl)acetate (0.30 g) and N,N-dimethylformamide (20 mL) was added sodium hydride (60%, oil, 0.09 g) under ice-cooling, and the mixture was stirred at room temperature for 15 hrs. The reaction mixture was poured into water and extracted with ethyl acetate. The organic layer was washed successively with water, 2N aqueous sodium hydroxide solution and saturated brine, dried over anhydrous magnesium sulfate and concentrated. The obtained residue was subjected to silica gel column chromatography to give methyl 2-[3-[[2-[2-(5-methyl-2-phenyl-4-oxazolyl)ethyl]-4-thiazolyl]methoxy]phenyl]acetate as a colorless oil (0.31 g, 38%) from a fraction eluted with ethyl acetate-hexane (1:3, v/v).

後処理

  1. temperaturecooling
  2. extractionextracted with ethyl acetate
  3. washThe organic layer was washed successively with water, 2N aqueous sodium hydroxide solution and saturated brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. concentrationconcentrated

出典と根拠

ORDレコード
ord-486baceff97b4ba9b8b84df72bb7293e
出典データセット
uspto-grants-2007_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07238716B2

反応ノート

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