1,3-Dipolar cycloadditions. Part-XXVIII : Selective 1,3-dipolar cycloadditions of C-aryl-N-phenyl nitrones to arylidene acetones

Centre of Advanced Studies on Natural Products including Synthesis, Department of Chemistry,

University College of Science and Technology, Kolkata-700 009, India

E-mail : ablabcu@yahoo.co.uk, banerjijulie@yahoo.com

Manuscript received 25 February 2014, accepted 03 March 2014

Cycloaddition reactions of C,N-diaryl nitrones to arylidene acetones proceeded regio- and stereoselectively to give only 3,4-trans-4,5-trans-2,3,5-triaryl-4-acetyl-isoxazolidines in high yields.