Abstract
One-pot multicomponent synthesis of novel highly functionalized spiro pyrrolidine oxindoles has been accomplished in good yields through 1,3-dipolar cycloaddition reaction of azomethine ylide derived from sarcosine and oxindole with various benzimdazole substituted Baylis–Hillman derivatives. The regiochemical and stereochemical outcome of the multicomponent cycloaddition reaction is ascertained by spectroscopic studies, and one of the products was characterized through x-ray crystallographic analysis.
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