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Ethanol → N-hydroxy-2-[[4-methoxybenzenesulfonyl](benzyl)amino]-2-[(2-methyl-5-tetrazolyl)methyl]acetamide

HRID 2209708
ノート
印刷プレビュー

反応式

HRID 2209708 の反応式
C([O:5][NH:6][C:7](=[O:35])[CH:8]([N:16]([S:24]([C:27]1[CH:32]=[CH:31][C:30]([O:33][CH3:34])=[CH:29][CH:28]=1)(=[O:26])=[O:25])[CH2:17][C:18]1[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=1)[CH2:9][C:10]1[N:11]=[N:12][N:13]([CH3:15])[N:14]=1)(C)(C)C.C(O)C>C(Cl)Cl>[OH:5][NH:6][C:7](=[O:35])[CH:8]([N:16]([S:24]([C:27]1[CH:32]=[CH:31][C:30]([O:33][CH3:34])=[CH:29][CH:28]=1)(=[O:26])=[O:25])[CH2:17][C:18]1[CH:19]=[CH:20][CH:21]=[CH:22][CH:23]=1)[CH2:9][C:10]1[N:11]=[N:12][N:13]([CH3:15])[N:14]=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

4

反応物 2

HCID 702EthanolHCID 22907048N-(t-butyloxy)-2-[[4-methoxybenzenesulfonyl](benzyl)amino]-2-[(2-methyl-5-tetrazolyl)methyl]acetamide

生成物 1

HCID 22907172N-hydroxy-2-[[4-methoxybenzenesulfonyl](benzyl)amino]-2-[(2-methyl-5-tetrazolyl)methyl]acetamide

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

反応条件

温度
0 °C

実験手順

N-(t-butyloxy)-2-[[4-methoxybenzenesulfonyl](benzyl)amino]-2-[(2-methyl-5-tetrazolyl)methyl]acetamide (0.77 g, 1.55 mmol) is dissolved in methylene chloride (2.0 mL) and ethanol (0.1 mL) in a glass sealed tube, and the reaction is cooled to 0° C. Hydrochloric acid gas (from a lecture bottle) is bubbled through the solution for 20 minutes, and then the tube is sealed at room temperature for 3 days. After that time, the solvent is removed, and the reaction is partitioned between ethyl acetate and saturated sodium bicarbonate. The organic phase is dried (Na2SO4), and the solvent is evaporated. The product is purified by silica gel chromatography (2% methanol/methylene chloride) to give N-hydroxy-2-[[4-methoxybenzenesulfonyl](benzyl)amino]-2-[(2-methyl-5-tetrazolyl)methyl]acetamide, m.p. 72°-75° C.

後処理

  1. customHydrochloric acid gas (from a lecture bottle) is bubbled through the solution for 20 minutes
  2. customthe tube is sealed at room temperature for 3 days
  3. customAfter that time, the solvent is removed
  4. customthe reaction is partitioned between ethyl acetate and saturated sodium bicarbonate
  5. dry with materialThe organic phase is dried (Na2SO4)
  6. customthe solvent is evaporated
  7. customThe product is purified by silica gel chromatography (2% methanol/methylene chloride)

出典と根拠

ORDレコード
ord-9ddfede04a884313800b0101da86db49
出典データセット
uspto-grants-1995_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05455258

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