Palladium-NHC Catalyzed Formation of Cyclopenta[b]benzofurans and Their Subsequent Modification. -The transformation of recently reported cyclopenta[b]benzofurans (I), (VIII), and (XII) having bis-esters substituted hydrazino side chains is developed to give products of type (VII), (XI), and (XIII) with potential biological activity. -(DEMERZHAN, S.; GILBERTSON*, S. R.; Tetrahedron Lett. 56 (2015) 23, 3633-3635, http://dx.