Synfacts, Table of Contents Synfacts 2013; 9(7): 0693DOI: 10.1055/s-0033-1339202 Synthesis of Natural Products and Potential Drugs © Georg Thieme Verlag Stuttgart · New YorkTotal Synthesis Echinopine A and B Authors Contributor(s): Erick M. Carreira Stefan Diethelm Recommend Article Abstract Buy Article(opens in new window)Key words Key wordsring expansion - cyclopropanes - terpenes Full Text