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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 2196067
ノート
印刷プレビュー

反応式

HRID 2196067 の反応式
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
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 6228DimethylformamideHCID 11430Potassium CarbonateHCID 21611N-3-BromopropylphthalimideHCID 686733851-Ethyl-7-hydroxy-3,3,5-trimethyl-1,5-dihydrobenzo[b][1,4]diazepine-2,4-dione

生成物 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-dione収率 83.4%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 8857Ethyl Acetate溶媒

実験手順

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.

後処理

  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

出典と根拠

ORDレコード
ord-3e1f1c8388a441ca82d70602fd3619e9
出典データセット
uspto-grants-2012_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08338406B2

反応ノート

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