A convenient and efficient one-pot synthesis of 2,3-epoxyl-1,3-diaryl-1-propanone directly from acetophenones and aromatic aldehydes under ultrasound irradiation at room temperature has been described. In comparison to two-step methods, the present procedure has the advantages of mild conditions, shorter reaction time, without isolation of any intermediate, saves energy and no requirement of toxic solvent.

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http://dx.doi.org/10.1016/j.ultsonch.2009.09.007DOI Listing

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