Synfacts, Table of Contents Synfacts 2019; 15(04): 0363DOI: 10.1055/s-0037-1612324 Synthesis of Materials and Unnatural Products © Georg Thieme Verlag Stuttgart · New York A New Twist on Sydnones Contributor(s): Timothy M. Swager , Samuel I. Etkind Recommend Article Abstract Key words Key wordssydnones - benzynes - helicenes - cycloaddition Full Text