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

HRID 1979388
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HRID 1979388 반응식
[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[CH:21]=[CH:20][CH:19]=[CH:18][N:17]=2)=[O:15])[CH2:4][CH:3]1[NH:22][C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24].Br[CH2:31][C:32]([C:34]1[CH:39]=[CH:38][CH:37]=[CH:36][C:35]=1[CH3:40])=[O:33].[OH-].[Na+].Cl>C1(C)C=CC=CC=1.[Br-].C([N+](CCCC)(CCCC)CCCC)CCC>[C:35]1([CH3:40])[C:34]([C:32]([CH2:31][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[CH:21]=[CH:20][CH:19]=[CH:18][N:17]=3)=[O:15])[CH2:4][CH:3]([NH:22][C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[C:2]2=[O:1])=[O:33])=[CH:39][CH:38]=[CH:37][CH:36]=1
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참가 물질

7

반응물 4

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 124306762-Bromo-2'-methylacetophenoneHCID 212017912-oxo-3-tert-butoxycarbonylamino-5-(2-pyridylcarbonyl)-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine

생성물 1

HCID 212016931-(2-toluoylmethyl)-2-oxo-3-tert-butoxycarbonylamino-5-(2-pyridylcarbonyl)-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine
수율 53.9%

시약·촉매·용매 2

HCID 74236Tetrabutylammonium Bromide촉매HCID 1140Toluene용매

실험 절차

2-Oxo-3-tert-butoxycarbonylamino-5-(2-pyridylcarbonyl)-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine (1.74 g) was suspended in toluene (24 ml), 2-bromo-2′-methylacetophenone (1.12 g), 1N aqueous sodium hydroxide (12 ml) and tetra n-butylammonium bromide (20 mg) were added, the mixture was stirred for one day at room temperature. The reaction mixture was weakly acidified with 1N hydrochloric acid, extracted with methylene chloride. The organic layer was washed with saturated aqueous sodium bicarbonate, dried over anhydrous sodium sulfate, and the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography(chloroform:ethyl acetate=9:1), to thereby obtain 1.25 g of the titled compound.

후처리

  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=9:1)

출처 및 근거

ORD 기록
ord-021aa7cfaa194648af45457bfdf5bd1a
출처 데이터셋
uspto-grants-2001_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06239131B1

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