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Water → 2-oxo-3-tert-butoxycarbonylamino-5-(2-thenoyl)-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine

HRID 1979433
ノート
印刷プレビュー

反応式

HRID 1979433 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[NH:5][CH2:4][CH:3]1[NH:14][C:15]([O:17][C:18]([CH3:21])([CH3:20])[CH3:19])=[O:16].[S:22]1[CH:26]=[CH:25][CH:24]=[C:23]1[C:27](Cl)=[O:28].N1C=CC=CC=1.O>ClCCCl>[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:27](=[O:28])[C:23]2[S:22][CH:26]=[CH:25][CH:24]=2)[CH2:4][CH:3]1[NH:14][C:15]([O:17][C:18]([CH3:21])([CH3:20])[CH3:19])=[O:16]
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 1049PyridineHCID 789282-Thiophenecarbonyl chlorideHCID 212015812-oxo-3-tert-butoxycarbonylamino-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine

生成物 1

HCID 212015632-oxo-3-tert-butoxycarbonylamino-5-(2-thenoyl)-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine収率 47.2%

試薬・触媒・溶媒 1

HCID 11
1,2-Dichloroethane
溶媒

実験手順

2-oxo-3-tert-butoxycarbonylamino-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine (2.0 g) obtained from Referential Example 7 was suspended in 1,2-dichloroethane (20 ml), 2-thiophencarbonyl chloride (1.11 g) and pyridine (0.60 g) were added to the suspension, and the mixture was refluxed for 3 hours. The reaction mixture was allowed to cool, water was added to the mixture, extracted with chloroform. The organic layer was washed with water and saturated brine, dried over anhydrous magnesium sulfate, the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography(n-hexane:ethyl acetate=2:1), to thereby obtain 1.30 g of the title compound as a light yellow crystal.

後処理

  1. temperaturethe mixture was refluxed for 3 hours
  2. temperatureto cool
  3. extractionextracted with chloroform
  4. washThe organic layer was washed with water and saturated brine
  5. dry with materialdried over anhydrous magnesium sulfate
  6. customthe solvent was evaporated under reduced pressure
  7. customThe residue was purified by silica gel column chromatography(n-hexane:ethyl acetate=2:1)

出典と根拠

ORDレコード
ord-332415e14aca446288fcaf3598a207a2
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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