Total syntheses of mitragynine, paynantheine and speciogynine via an enantioselective thiourea-catalysed Pictet–Spengler reaction

Isabel P. Kerschgens, Elise Claveau, Martin J. Wanner, Steen Ingemann, Jan H. van Maarseveen, Henk Hiemstra
  • Chemical Communications, January 2012, Royal Society of Chemistry
  • DOI: 10.1039/c2cc37023a