Synfacts, Table of Contents Synfacts 2021; 17(02): 0123DOI: 10.1055/s-0040-1719327 Synthesis of Natural Products and Potential Drugs Synthesis of Gefapixant Contributor(s): Philip Kocienski Recommend Article Abstract Key words Key wordsgefapixant - P2X3 antagonist - copper-catalyzed C–O coupling - flow chemistry - sulfonamidation - chlorosulfonylation Full Text