Enamination of β-dicarbonyl compounds catalyzed by CeCl 3·7H2O at ambient conditions: Ionic liquid and solvent-free media

Synlett

Volumn , Issue 11, 2004, Pages 1980-1984

  Khodaei, Mohammad Mehdi ^a   Khosropour, Ahmad Reza ^a   Kookhazadeh, Mehdi ^a  

^a RAZI UNIVERSITY   (Iran)

Author keywords

Catalyst; CeCl3 7H2O; Chemoselectivity; Ionic liquid; Primary amine; Solvent free; TBAB

Indexed keywords

CARBONYL DERIVATIVE; CERIUM; SOLVENT;

AMINATION; ARTICLE; CATALYSIS; HYDROGEN BOND; LIQUID; PROTON NUCLEAR MAGNETIC RESONANCE; ROOM TEMPERATURE; SYNTHESIS;

EID: 4544273262     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-2004-830879     Document Type: Article

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31. 2O (0.1 mmol) was added and the reaction mixture stirred at r.t. for the appropriate time according to Table 2. After completion of the reaction as indicated by TLC, the mixture was washed with EtOAc. The crude products were separated by preparative chromatography on silica gel using n-heptane-EtOAc (10:1) as eluent. The pure β-enaminones were prepared in 50-87% yields.
32. 2: C, 75.83; H, 6.94; N, 9.16. Found: C, 75.44; H, 6.80; N, 8.40.