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Article info. : 2006; 3(3) (pp 293~296)
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Facile Synthesis of Bis(arylmethylidene)cycloalkanones
Mediated by Lithium Perchlorate under Solvent-Free Conditions
M.S. Abaee*, M.M. Mojtahedi, R. Sharifi, M.M. Zahedi, H.
Abbasi and K. Tabar-Heidar
Organic Chemistry Laboratory, Chemistry & Chemical
Engineering Research Center of Iran, P.O.Box 14335-186, Tehran, Iran
(Received 15 June 2006, Accepted 15 July 2006)
Lithium perchlorate-mediated double
crossed aldol condensations of a variety of aromatic aldehydes with
cycloalkanones at room temperature in the presence of (trimethylsilyl)diethylamine
and under solvent-free conditions are described. High to excellent yields of
bis(arylmethylidene)cyclohexanones and bis(arylmethylidene)cyclopentanones
are achieved within a few minutes in this facile one-pot procedure.
Keywords:
Crossed aldol condensation,
Bis(arylmethylidene)cycloalkanones, Lithium perchlorate, Solvent-free |
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