Citation:
Ahmad Masarwa, Fürstnerb, Alois , and Marek*, Ilan . 2009. “Metal-Catalyzed Rearrangement Of Enantiomerically Pure Alkylidenecyclopropane Derivatives As A New Access To Cyclobutenes Possessing Quaternary Stereocenters”. Chem. Commun., Pp. 5760-5762. http://pubs.rsc.org/en/Content/ArticleLanding/2009/CC/b910465h#!divAbstract.
Abstract:
Pd(II)- and Pt(II)-catalyzed ring-expansion of enantiomerically pure alkylidenecyclopropane derivatives leads to the formation of cyclobutene species with a complete preservation of the stereogenic center.