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Water → tert-butyl (6R,7R)-6-{[(2-{[tert-butyl(dimethyl)silyl]oxy}ethyl)amino]methyl}-7-(3,4-dichlorophenyl)-1,4-oxazepane-4-carboxylate

HRID 1022689
ノート
印刷プレビュー

反応式

HRID 1022689 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][NH:24][CH2:25][CH2:26][OH:27])[CH:5]=[CH:6][C:7]=1[Cl:8].C(N(CC)CC)C.[C:35]([Si:39](Cl)([CH3:41])[CH3:40])([CH3:38])([CH3:37])[CH3:36].O>C1COCC1>[Si:39]([O:27][CH2:26][CH2:25][NH: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)([C:35]([CH3:38])([CH3:37])[CH3:36])([CH3:41])[CH3:40]
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 962WaterHCID 8471Triethylamine2 回HCID 28928tert-Butyldimethylsilyl chloride2 回HCID 66975933tert-butyl (6R,7R)-7-(3,4-dichlorophenyl)-6-{[(2-hydroxyethyl)amino]methyl}-1,4-oxazepane-4-carboxylate

生成物 1

HCID 66974980tert-butyl (6R,7R)-6-{[(2-{[tert-butyl(dimethyl)silyl]oxy}ethyl)amino]methyl}-7-(3,4-dichlorophenyl)-1,4-oxazepane-4-carboxylate
収率 93.4%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

反応条件

温度
50 °C

実験手順

To a solution (13.2 mL) of tert-butyl (6R,7R)-7-(3,4-dichlorophenyl)-6-{[(2-hydroxyethyl)amino]methyl}-1,4-oxazepane-4-carboxylate (1.65 g) and triethylamine (0.605 mL) in THF was added, under ice-cooling, tert-butylchlorodimethylsilane (654 mg), and the mixture was stirred at room temperature overnight. Then, tert-butylchlorodimethylsilane (654 mg) and triethylamine (0.605 mL) were added, and the mixture was stirred at 50° C. for 1 hr. Distilled water was added, and the mixture was extracted with ethyl acetate. The extract was washed with distilled water and brine, and dried over anhydrous magnesium sulfate, and the solvent was evaporated under reduced pressure. The residue was purified by silica gel chromatography (hexane/ethyl acetate) to give the title compound (1.96 g).

後処理

  1. temperaturecooling
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe extract was washed with distilled water and 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 chromatography (hexane/ethyl acetate)

出典と根拠

ORDレコード
ord-0e3eeccc88b240319b19f193c3cb2bef
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

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