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Water → tert-butyl (6S,7R)-6-{[(3-cyanobenzyl)oxy]methyl}-7-(3,4-dichlorophenyl)-1,4-oxazepane-4-carboxylate

HRID 1022681
ノート
印刷プレビュー

反応式

HRID 1022681 の反応式
[Cl:1][C:2]1[CH:3]=[C:4]([C@@H:9]2[O:15][CH2:14][CH2:13][N:12]([C:16]([O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[O:17])[CH2:11][C@H:10]2[CH2:23][OH:24])[CH:5]=[CH:6][C:7]=1[Cl:8].[H-].[Na+].Br[CH2:28][C:29]1[CH:30]=[C:31]([CH:34]=[CH:35][CH:36]=1)[C:32]#[N:33].O>CN(C=O)C>[C:32]([C:31]1[CH:30]=[C:29]([CH:36]=[CH:35][CH:34]=1)[CH2:28][O:24][CH2:23][C@H:10]1[C@H:9]([C:4]2[CH:5]=[CH:6][C:7]([Cl:8])=[C:2]([Cl:1])[CH:3]=2)[O:15][CH2:14][CH2:13][N:12]([C:16]([O:18][C:19]([CH3:20])([CH3:21])[CH3:22])=[O:17])[CH2:11]1)#[N:33]
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 962WaterHCID 24758Sodium hydrideHCID 97249Benzonitrile, 3-(bromomethyl)-HCID 66975404tert-butyl (6S,7R)-7-(3,4-dichlorophenyl)-6-(hydroxymethyl)-1,4-oxazepane-4-carboxylate

生成物 1

HCID 86663867tert-butyl (6S,7R)-6-{[(3-cyanobenzyl)oxy]methyl}-7-(3,4-dichlorophenyl)-1,4-oxazepane-4-carboxylate収率 85.8%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

To a solution of tert-butyl (6S,7R)-7-(3,4-dichlorophenyl)-6-(hydroxymethyl)-1,4-oxazepane-4-carboxylate (144.5 mg) in DMF (3 mL) was added 60% sodium hydride (36.9 mg) at 0° C., and the mixture was stirred for 30 min. 3-(Bromomethyl)benzonitrile (90 mg) was added, and the mixture was warmed to room temperature and stirred overnight. The reaction mixture was poured into water, and the mixture was extracted twice with ethyl acetate. The organic layers were combined, and the mixture was washed with brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (ethyl acetate/hexane) to give the title compound (162 mg).

後処理

  1. stirringstirred overnight
  2. extractionthe mixture was extracted twice with ethyl acetate
  3. washthe mixture was washed with brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. customThe solvent was evaporated under reduced pressure
  6. customThe residue was purified by silica gel column chromatography (ethyl acetate/hexane)

出典と根拠

ORDレコード
ord-68af5459530d42eab80d8843d82be005
出典データセット
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08722662B2

反応ノート

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