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Chemistry Letters
Volumn 38, Issue 7, 2009, Pages 700-701
Mukaiyama aldol reaction catalyzed by mesoporous aluminosilicate
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EID: 67650488073     PISSN: 03667022     EISSN: 13480715     Source Type: Journal    
DOI: 10.1246/cl.2009.700     Document Type: Article
Times cited : (14)
References (29)
  • 27
    • 84869365377 scopus 로고    scopus 로고
    • -1 and 2.7 nm, respectively.
    • -1 and 2.7 nm, respectively.
  • 28
    • 84869341574 scopus 로고    scopus 로고
    • Typical experimental procedure: Under an atmosphere of argon, to a mixture of Al-MCM-41 (60 mg, dried prior to use at 120°C for 1 h under vacuum) and benzaldehyde (0.213 g, 2.0 mmol) in acetonitrile (3.0 mL, 1-phenyl-1-trimethylsiloxyethene (0.462 g, 2.4 mmol) in acetonitrile (1.0 mL) was added through a syringe at 0 °C The reaction mixture was stirred at 0°C for 15 min. The catalyst was removed by filtration and washed with Et2O (40 mL, After the combined organic solution was concentrated under reduced pressure, crude product was purified by silica-gel column chromatography (hexane/Et2O=20:1) to afford 1, 3-diphenyl-3- trimethylsiloxypropan-1-one10 as a colorless oil (0.591 g, 99, The product gave satisfactory IR and 1H, 13C NMR spectra. The recovered catalyst was dried at 70 °C for 15 min. Then, the catalyst (47 mg) was dried at 120 °C for 1 h under vacuum and used in a second run
    • 13C NMR spectra. The recovered catalyst was dried at 70 °C for 15 min. Then, the catalyst (47 mg) was dried at 120 °C for 1 h under vacuum and used in a second run.

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