Abstract
Stable heterocyclic phosphorus ylides in excellent yields produced in the reaction between triphenylphosphine, dialkyl acetylenedicarboxylates and 2-aminobenzimidazol in one-pot facile synthesis.
ACKNOWLEDGMENTS
We gratefully acknowledge financial support from the Research Council of Shahid Beheshti University. Thanks are also due to Dr Kiana Hemyari for helpful discussions.