Phosphine-catalyzed highly diastereoselective [3+2] cyclization of isatin derived electron-deficient alkenes with α-allenic estersElectronic supplementary information (ESI) available: Experimental procedures and spectroscopic data for all compounds and X-ray crystal data of 1n, 3j, 3q. See DOI: 10.1039/c0cc04289g

A novel phosphine-catalyzed highly diastereoselective [3+2] cycloaddition of isatin derived α,β-unsaturated ketones with α-allenic ester has been developed. [ABSTRACT FROM AUTHOR]