Synfacts, Table of Contents Synfacts 2019; 15(10): 1098DOI: 10.1055/s-0039-1690623 Synthesis of Natural Products and Potential Drugs © Georg Thieme Verlag Stuttgart · New York Synthesis of M-89 Contributor(s): Philip Kocienski Recommend Article Abstract Buy Article Key words Key wordsM-89 - quaternary centers - Pictet–Spengler reaction - tetrahydroisoquinoline ring formation Full Text