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Hydrochloric Acid → 1-(2-toluoylmethyl)-2-oxo-3-tert-butoxycarbonylamino-5-(furan-2-ylcarbonyl)-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine

HRID 1979416
ノート
印刷プレビュー

反応式

HRID 1979416 の反応式
[O:1]=[C:2]1[NH:8][C:7]2[CH:9]=[C:10]([CH3:13])[CH:11]=[CH:12][C:6]=2[N:5]([C:14]([C:16]2[O:17][CH:18]=[CH:19][CH:20]=2)=[O:15])[CH2:4][CH:3]1[NH:21][C:22]([O:24][C:25]([CH3:28])([CH3:27])[CH3:26])=[O:23].Br[CH2:30][C:31]([C:33]1[CH:38]=[CH:37][CH:36]=[CH:35][C:34]=1[CH3:39])=[O:32].[OH-].[Na+].Cl>C1(C)C=CC=CC=1.[Br-].C([N+](CCCC)(CCCC)CCCC)CCC>[C:34]1([CH3:39])[C:33]([C:31]([CH2:30][N:8]2[C:7]3[CH:9]=[C:10]([CH3:13])[CH:11]=[CH:12][C:6]=3[N:5]([C:14]([C:16]3[O:17][CH:18]=[CH:19][CH:20]=3)=[O:15])[CH2:4][CH:3]([NH:21][C:22]([O:24][C:25]([CH3:28])([CH3:27])[CH3:26])=[O:23])[C:2]2=[O:1])=[O:32])=[CH:38][CH:37]=[CH:36][CH:35]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 124306762-Bromo-2'-methylacetophenoneHCID 212018672-oxo-3-tert-butoxycarbonylamino-5-(furan-2-ylcarbonyl)-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine

生成物 1

HCID 212016051-(2-toluoylmethyl)-2-oxo-3-tert-butoxycarbonylamino-5-(furan-2-ylcarbonyl)-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine
収率 76.9%

試薬・触媒・溶媒 2

HCID 74236Tetrabutylammonium Bromide触媒HCID 1140Toluene溶媒

実験手順

2-Oxo-3-tert-butoxycarbonylamino-5-(furan-2-ylcarbonyl)-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine (1.50 g) was suspended in toluene (20 ml), 2-bromo-2′-methylacetophenone (995 mg), 1N aqueous sodium hydroxide (10 ml) and tetra n-butylammonium bromide (20 mg) were added, and the mixture was stirred for 2 hours at room temperature. The reaction mixture was weakly acidified with 1N hydrochloric acid, and extracted with methylene chloride. The organic layer was washed with saturated aqueous sodium bicarbonate, dried over anhydrous sodium sulfate, the solvent was evaporated under reduced pressure, and the residue was purified by silica gel column chromatography(chloroform:ethyl acetate=20:1), to thereby obtain 1.55 g of the titled compound (Yield: 76.9%).

後処理

  1. extractionextracted with methylene chloride
  2. washThe organic layer was washed with saturated aqueous sodium bicarbonate
  3. dry with materialdried over anhydrous sodium sulfate
  4. customthe solvent was evaporated under reduced pressure
  5. customthe residue was purified by silica gel column chromatography(chloroform:ethyl acetate=20:1)

出典と根拠

ORDレコード
ord-1fce22a7a2ef4462bcea593c4eed839f
出典データセット
uspto-grants-2001_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06239131B1

反応ノート

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