Synfacts, Table of Contents Synfacts 2019; 15(01): 0039DOI: 10.1055/s-0037-1611455 Synthesis of Materials and Unnatural Products © Georg Thieme Verlag Stuttgart · New York Breaking Up Kekulene, Resulting in π-Expanded Helicene Contributor(s): Timothy M. Swager , Kosuke Yoshinaga Recommend Article Abstract Buy Article Key words Key wordshelicenes - aromaticity - ring-closing metathesis Full Text