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Dimethylformamide → 7-(3-(1,3-Dioxo-1,3-dihydroisoindol-2-yl)propoxy)-1-ethyl-3,3,5-trimethyl-1,5-dihydrobenzo[b][1,4]diazepine-2,4-dione

HRID 1183084
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HRID 1183084 반응식
C(=O)([O-])[O-].[K+].[K+].Br[CH2:8][CH2:9][CH2:10][N:11]1[C:15](=[O:16])[C:14]2=[CH:17][CH:18]=[CH:19][CH:20]=[C:13]2[C:12]1=[O:21].CN(C=O)C.[CH2:27]([N:29]1[C:35](=[O:36])[C:34]([CH3:38])([CH3:37])[C:33](=[O:39])[N:32]([CH3:40])[C:31]2[CH:41]=[C:42]([OH:45])[CH:43]=[CH:44][C:30]1=2)[CH3:28]>C(OCC)(=O)C.O>[O:21]=[C:12]1[C:13]2[C:14](=[CH:17][CH:18]=[CH:19][CH:20]=2)[C:15](=[O:16])[N:11]1[CH2:10][CH2:9][CH2:8][O:45][C:42]1[CH:43]=[CH:44][C:30]2[N:29]([CH2:27][CH3:28])[C:35](=[O:36])[C:34]([CH3:37])([CH3:38])[C:33](=[O:39])[N:32]([CH3:40])[C:31]=2[CH:41]=1
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참가 물질

7

반응물 4

HCID 6228DimethylformamideHCID 11430Potassium CarbonateHCID 21611N-3-BromopropylphthalimideHCID 686733851-Ethyl-7-hydroxy-3,3,5-trimethyl-1,5-dihydrobenzo[b][1,4]diazepine-2,4-dione

생성물 1

HCID 686733627-(3-(1,3-Dioxo-1,3-dihydroisoindol-2-yl)propoxy)-1-ethyl-3,3,5-trimethyl-1,5-dihydrobenzo[b][1,4]diazepine-2,4-dione수율 83.4%

시약·촉매·용매 2

HCID 962Water용매HCID 8857Ethyl Acetate용매

실험 절차

Potassium carbonate (2.99 g, 21.6 mmol) and N-(3-bromopropyl)phthalimide (2.32 g, 8.65 mmol) were added to a DMF solution (50 ml) of 1-ethyl-7-hydroxy-3,3,5-trimethyl-1,5-dihydrobenzo[b][1,4]diazepine-2,4-dione (1.89 g, 7.2 mmol), and stirred at room temperature overnight. Water was added to the reaction mixture, and extraction with ethyl acetate was performed. The organic layer was washed with water and a saturated sodium chloride aqueous solution, in this order. The organic layer was dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (n-hexane:ethyl acetate=2:1→3:7). The purified product was concentrated to dryness under reduced pressure to thereby obtain 2.70 g (yield: 83%) of 7-(3-(1,3-dioxo-1,3-dihydroisoindol-2-yl)propoxy)-1-ethyl-3,3,5-trimethyl-1,5-dihydrobenzo[b][1,4]diazepine-2,4-dione as a white powder.

후처리

  1. washThe organic layer was washed with water
  2. dry with materialThe organic layer was dried over anhydrous magnesium sulfate
  3. concentrationconcentrated under reduced pressure
  4. customThe residue was purified by silica gel column chromatography (n-hexane:ethyl acetate=2:1→3:7)
  5. concentrationThe purified product was concentrated to dryness under reduced pressure

출처 및 근거

ORD 기록
ord-bfebe6aaafef4a8388cc54f000ba1816
출처 데이터셋
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08664217B2

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