Synfacts, Table of Contents Synfacts 2017; 13(10): 1028DOI: 10.1055/s-0036-1591245 Synthesis of Materials and Unnatural Products © Georg Thieme Verlag Stuttgart · New YorkTwo Steps to Loops Authors Contributor(s): Timothy M. Swager Cassandra A. Zentner Recommend Article Abstract Buy Article(opens in new window)Key words Key wordsdrug discovery - macrocycles - Ugi reaction Full Text