processo para a produção de intermediários de artemisinina

摘要

This application relates to a process for the production of (2R)-dihydroartemisinic acid or (2R)-dihydroartemisinic acid esters from artemisinic acid or artemisinic acid esters, respectively, by diimine hydrogenation of the exocyclic CC-double bond, and use of said process in the production of the antimalarial drug artemisinin.