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Dimethylformamide → N-tert-butyl-2-(3-azido-2-oxo-5-phenyl-2,3,4,5-tetrahydro-1H-(1)benzazepin-1-yl) ethanoic acid amide

HRID 53129
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HRID 53129 반응식
[C:1]([NH:5][C:6](=[O:27])[CH2:7][N:8]1[C:14]2[CH:15]=[CH:16][CH:17]=[CH:18][C:13]=2[CH:12]([C:19]2[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=2)[CH2:11][CH:10](Br)[C:9]1=[O:26])([CH3:4])([CH3:3])[CH3:2].CN(C)C=O.[N-:33]=[N+:34]=[N-:35].[Na+].[N-]=[N+]=[N-]>O>[C:1]([NH:5][C:6](=[O:27])[CH2:7][N:8]1[C:14]2[CH:15]=[CH:16][CH:17]=[CH:18][C:13]=2[CH:12]([C:19]2[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=2)[CH2:11][CH:10]([N:33]=[N+:34]=[N-:35])[C:9]1=[O:26])([CH3:4])([CH3:3])[CH3:2]
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참가 물질

6

반응물 4

HCID 6228DimethylformamideHCID 33557Sodium AzideHCID 33558AzideHCID 15203361N-tert-butyl 2-(3-bromo-2-oxo-5-phenyl-2,3,4,5-tetrahydro-1H-(1)benzazepin-1-yl) ethanoic acid amide

생성물 1

HCID 15203363N-tert-butyl-2-(3-azido-2-oxo-5-phenyl-2,3,4,5-tetrahydro-1H-(1)benzazepin-1-yl) ethanoic acid amide수율 80.1%

시약·촉매·용매 1

HCID 962Water용매2회

실험 절차

To a 125 ml round-bottomed flask equipped with a nitrogen inlet were added 8.2 grams (18.5 mmol) N-tert-butyl 2-(3-bromo-2-oxo-5-phenyl-2,3,4,5-tetrahydro-1H-(1)benzazepin-1-yl) ethanoic acid amide and 40 ml dimethylformamide. After dissolution, a solution of 1.44 grams (22.2 mmol) sodium azide in 2 mL water (with two additional 0.75 ml portions of water) was added, and the solution heated at 80°-85° C. for 4 hours 20 minutes (at this point, tlc and NMR of an aliquot indicated a 75/15/10 ratio of desired azide/isomeric azide/starting material). The reaction was cooled, poured into water, and extracted twice into ethyl acetate. The organic layer was washed with water and brine, dried over sodium sulfate and evaporated. The residue was chromatographed on silica gel using 3:1 hexane/ethyl acetate to give 5.80 grams (77%) of a foam which solidified.

후처리

  1. customTo a 125 ml round-bottomed flask equipped with a nitrogen inlet
  2. dissolutionAfter dissolution
  3. temperaturethe solution heated at 80°-85° C. for 4 hours 20 minutes (at this point, tlc and NMR of an aliquot
  4. temperatureThe reaction was cooled
  5. extractionextracted twice into ethyl acetate
  6. washThe organic layer was washed with water and brine
  7. dry with materialdried over sodium sulfate
  8. customevaporated
  9. customThe residue was chromatographed on silica gel using 3:1 hexane/ethyl acetate

출처 및 근거

ORD 기록
ord-acf1ed8415ef4064844a16e2644ce761
출처 데이터셋
uspto-grants-1997_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05618811

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