Synfacts, Table of Contents Synfacts 2020; 16(03): 0346DOI: 10.1055/s-0039-1691715 Chemistry in Medicine and Biology © Georg Thieme Verlag Stuttgart · New York Natural PDE4 Inhibitor Toddacoumalone Contributor(s): Dirk Trauner , Andrej Shemet Recommend Article Abstract Buy Article Key words Key wordstotal synthesis - PDE4 inhibitor - asymmetric [4+2] cycloaddition - Heck reaction Full Text