Synfacts, Table of Contents Synfacts 2013; 9(11): 1181DOI: 10.1055/s-0033-1339942 Synthesis of Materials and Unnatural Products © Georg Thieme Verlag Stuttgart · New YorkDiazadithia[7]helicenes Authors Contributor(s): Timothy M. Swager Jonathan G. Weis Recommend Article Abstract Buy Article(opens in new window)Key words Key wordsBuchwald–Hartwig amination - cyclization - helicenes - Wittig reaction Full Text