Abstract
AbstractA facile and high‐yielding one‐step conversion of dihydroartemisinic acid into dihydro‐epi‐deoxyarteannuin B, a natural product and a pivotal compound in the synthesis of several other natural products isolated from Artemisia annua L., was developed after the systematic examination of several potentially applicable conditions. The transformation, most satisfactorily effected with Pd(OAc)2/CuCl2/MnO2, makes it possible to access many known potent antimalarial trioxanes from readily available artemisinic acid. Some interesting cases of differentiation between the carbonyl groups are also presented.
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