Abstract
The one-pot synthesis of spirooxindoles via three-component reaction of urea, isatin, and 1,3-dicarbonyl compounds in the presence of a catalytic amount of p-toluenesulfonic acid in acetonitrile has been carried out.
![](/cms/asset/547f8211-9ad8-44e0-8f92-80349d308063/lsyc_a_515364_o_uf0001.gif)
Keywords:
ACKNOWLEDGMENT
The authors are thankful to the Alzahra Research Council for the partial financial support.
Notes
a Isolated yields.