Potassium Carbonate → 3-(2-Chloro-4-fluorophenoxy)-1-(diphenylmethyl)azetidine

HRID 1053874

反応式

HRID 1053874 の反応式
CS([O:5][CH:6]1[CH2:9][N:8]([CH:10]([C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)[C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=2)[CH2:7]1)(=O)=O.C(=O)([O-])[O-].[K+].[K+].[Cl:29][C:30]1[CH:35]=[C:34]([F:36])[CH:33]=[CH:32][C:31]=1O>C(#N)C>[Cl:29][C:30]1[CH:35]=[C:34]([F:36])[CH:33]=[CH:32][C:31]=1[O:5][CH:6]1[CH2:9][N:8]([CH:10]([C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)[C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=2)[CH2:7]1

参加物

5

実験手順

A mixture of 1-(diphenylmethyl)-3-azetidinyl methanesulfonate (363.8 g, 1.15 mol), potassium carbonate (330 g, 2.38 mol) and 2-chloro-4-fluorophenol (140 g, 0.96 mol) in acetonitrile (2.5 L) was heated under reflux for 4.5 hours. The cooled reaction mixture was then concentrated in vacuo and the residue was partitioned between ethyl acetate (1 L) and water (500 mL). The organic layer was separated, dried over sodium sulfate concentrated in vacuo and the residue was triturated with ethyl acetate/pentane/dichloromethane, 90:10:1, to afford the title compound as a white solid in quantitative yield, 350 g. 1H NMR (400 MHz, CDCl3) δ: 3.19 (m, 2H), 3.75 (m, 2H), 4.45 (m, 1H), 4.78 (m, 1H), 6.60 (m, 1H), 6.83 (m, 1H), 7.14 (m, 1H), 7.18-7.50 (m, 10H)

後処理

  1. temperaturewas heated
  2. temperatureunder reflux for 4.5 hours
  3. customThe cooled reaction mixture
  4. concentrationwas then concentrated in vacuo
  5. customthe residue was partitioned between ethyl acetate (1 L) and water (500 mL)
  6. customThe organic layer was separated
  7. dry with materialdried over sodium sulfate
  8. concentrationconcentrated in vacuo
  9. customthe residue was triturated with ethyl acetate/pentane/dichloromethane, 90:10:1

出典と根拠

ORDレコード
ord-23b5ba0c61584af4965ac656c04f8753
出典データセット
uspto-grants-2016_07
特許番号
US09394278B2

関連ノート

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