1-Bromo-3-chloropropane → 7-(3-Chloropropoxy)-1-ethyl-3,3,5-trimethyl-1,5-dihydrobenzo[b][1,4]diazepine-2,4-dione

HRID 69041

反応式

HRID 69041 の反応式
[CH2:1]([N:3]1[C:9](=[O:10])[C:8]([CH3:12])([CH3:11])[C:7](=[O:13])[N:6]([CH3:14])[C:5]2[CH:15]=[C:16]([OH:19])[CH:17]=[CH:18][C:4]1=2)[CH3:2].C(=O)([O-])[O-].[K+].[K+].Br[CH2:27][CH2:28][CH2:29][Cl:30]>O.C(#N)C>[Cl:30][CH2:29][CH2:28][CH2:27][O:19][C:16]1[CH:17]=[CH:18][C:4]2[N:3]([CH2:1][CH3:2])[C:9](=[O:10])[C:8]([CH3:12])([CH3:11])[C:7](=[O:13])[N:6]([CH3:14])[C:5]=2[CH:15]=1

参加物

6

反応物 3

HCID 80061-Bromo-3-chloropropaneHCID 11430Potassium CarbonateHCID 686733851-Ethyl-7-hydroxy-3,3,5-trimethyl-1,5-dihydrobenzo[b][1,4]diazepine-2,4-dione

生成物 1

HCID 686732537-(3-Chloropropoxy)-1-ethyl-3,3,5-trimethyl-1,5-dihydrobenzo[b][1,4]diazepine-2,4-dione

試薬・触媒・溶媒 2

HCID 962Water溶媒2 回HCID 6342Acetonitrile溶媒

反応条件

温度
70 °C

実験手順

1-Ethyl-7-hydroxy-3,3,5-trimethyl-1,5-dihydrobenzo[b][1,4]diazepine-2,4-dione (1.85 g) and potassium carbonate (1.2 g) were added to 50% water-containing acetonitrile (40 ml), and dissolved by heating to 70° C. 1-Bromo-3-chloropropane (2.1 ml) was added thereto, and heating was conducted under reflux for 6 hours. The reaction mixture was cooled to room temperature. Water was added, and extraction with ethyl acetate was performed. The organic layer was dried over sodium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (n-hexane:ethyl acetate=2:1→1:1). The purified product was concentrated to dryness under reduced pressure to give the title compound (2.18 g) as a colorless oil.

後処理

  1. dissolutiondissolved
  2. temperatureheating
  3. temperatureunder reflux for 6 hours
  4. temperatureThe reaction mixture was cooled to room temperature
  5. extractionextraction with ethyl acetate
  6. dry with materialThe organic layer was dried over sodium sulfate
  7. concentrationconcentrated under reduced pressure
  8. customThe residue was purified by silica gel column chromatography (n-hexane:ethyl acetate=2:1→1:1)
  9. concentrationThe purified product was concentrated to dryness under reduced pressure

出典と根拠

ORDレコード
ord-dc4fc11f1f1b439887be7a99fd8501b6
出典データセット
uspto-grants-2014_09
特許番号
US08822453B2

関連ノート

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