Sodium hydride → 4-([N-Ethyl-N-phenyl-2-aminoethyl]oxymethyl)benzophenone

HRID 47173

反応式

HRID 47173 の反応式
[CH2:1]([N:3]([CH2:10][CH2:11][OH:12])[C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1)[CH3:2].[H-].[Na+].Br[CH2:16][C:17]1[CH:30]=[CH:29][C:20]([C:21]([C:23]2[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=2)=[O:22])=[CH:19][CH:18]=1>C1COCC1>[CH2:1]([N:3]([C:4]1[CH:5]=[CH:6][CH:7]=[CH:8][CH:9]=1)[CH2:10][CH2:11][O:12][CH2:16][C:17]1[CH:30]=[CH:29][C:20]([C:21]([C:23]2[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=2)=[O:22])=[CH:19][CH:18]=1)[CH3:2]

参加物

5

反応物 3

HCID 24758Sodium hydrideHCID 623382-(N-ethylanilino)ethanolHCID 1229514-(Bromomethyl)benzophenone

生成物 1

HCID 221775034-([N-Ethyl-N-phenyl-2-aminoethyl]oxymethyl)benzophenone収率 80%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

反応条件

温度
20 °C

実験手順

2-(N-Ethylanilino)ethanol (3.03 g, 18.4 mmol, 1.2 eq) in THF (20 cm3) was treated with NaH (60% dispersion in oil, 524 mg, 13,1 mmol, 1.4 eq) and stirred at 20° C. for 1 hour. 4-Bromomethylbenzophenone (4.21 g, 15.3 mmol) was then added and stirring continued for 72 hours. Excess solvent was removed in vacuo and the residue diluted with DCM, washed with water and NaHCO3 solution (sat.), dried (MgSO4) and solvent removed under vacuum. The resulting oil was purified by flash chromatography, eluting with petroleum (bp 40-60° C.):EtOAc (9:1), to give the desired product as a yellow oil (4.36 g, 80%), Rf=0.54 (4:1, petrol:EtOAc) (Found: C, 78.34; H, 6.86; N, 5.29. C24H25NO2 requires C, 80.19; H, 7.01; N, 3.90%); νmax (film/cm−1 1658 (s), 1598 (s), 1506 (s); δH (200 MHz; CDCl3) 1.22 (3H, t, J 7, CH3), 3.49 (2H, q, J 7, CH2CH3), 3.58-3.79 (4H, m, OCH2CH2N), 4.66 (2H, s, ArCH2O), 6.69-6.79 (3H, m, ArH o- and p- to NR2), 7.28 (2H, dd, J 7, 7, ArH m- to NR2), 7.46-7.68 (5H, m, ArH), 7.80-7.88 (4H, m, ArH o- to C═O), δC (50.3 MHz; CDCl3) 12.2 (CH3), 45.5 (NCH2CH3), 50.1 (NCH2CH2O), 68.5 (NCH2CH2O), 72.2 (ArCH2O), 111.8 (ArCH o- to NR2), 115.8 (ArCH p- to NR2), 127.0, 128.3, 129.3, 130.0 and 130.3 (ArCH o- and m- to C═O and ArCH m- to NR2), 132.4 (ArCH p- to C═O), 136.8 and 137.7 (4° ArCC═O), 143.2 (4° ArCCH2O), 147.7 (4° ArCNR2), 196.4 (C═O); m/z (APCI+) 360 ([M+H]+, 30%); HRMS C24H26O2N requires 360.1963; found 360.1963.

後処理

  1. stirringstirring
  2. waitcontinued for 72 hours
  3. customExcess solvent was removed in vacuo
  4. additionthe residue diluted with DCM
  5. washwashed with water and NaHCO3 solution (sat.)
  6. dry with materialdried (MgSO4) and solvent
  7. customremoved under vacuum
  8. customThe resulting oil was purified by flash chromatography
  9. washeluting with petroleum (bp 40-60° C.)

出典と根拠

ORDレコード
ord-23461bdad4054a56a320bb8926e582fc
出典データセット
uspto-grants-2004_03
特許番号
US06699527B1

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