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Synthesis 2012; 44(14): 2181-2184
DOI: 10.1055/s-0031-1291040
DOI: 10.1055/s-0031-1291040
special topic
Copper(II) Triflate–Sodium Dodecyl Sulfate Catalyzed Preparation of 1,2-Diphenyl-2,3-dihydro-4-pyridones in Aqueous Acidic Medium
Weitere Informationen
Publikationsverlauf
Received: 19. März 2012
Accepted: 22. März 2012
Publikationsdatum:
25. Mai 2012 (online)
Abstract
The reactions between N-benzylideneanilines and Danishefsky’s diene proceed smoothly in acidic aqueous medium in the presence of a catalytic amount of copper(II) triflate–sodium dodecyl sulfate [Cu(OTf)2–SDS] to afford the corresponding 1,2-diphenyl-2,3-dihydro-4-pyridones in excellent yields of 84–95%. The aqueous solution containing the catalyst is recovered and reused without any loss in efficiency.
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