Synfacts, Table of Contents Synfacts 2021; 17(06): 0607DOI: 10.1055/s-0040-1719739 Synthesis of Natural Products and Potential Drugs Synthesis of (+)-Ritterazine B Authors Contributor(s): Erick M. Carreira Moritz J. Classen Recommend Article Abstract Buy Article(opens in new window)Key words Key words(+)-ritterazine B - bis-steroidal pyrazines - trans-dehydroandrosterone - gold-catalyzed cycloisomerization Full Text