Mahafacyclin B is a cyclic heptapeptide with antimalarial activity isolated from the latex of Jatropha mahafalensis. The structure is elucidated by chemical degradation, tandem mass spectrometry, homo- and heteronuclear NMR experiments, and confirmed by synthesis.
大法环素B是一种具有抗疟活性的环七肽,从麻风树(Jatropha mahafalensis)的乳汁中分离得到。其结构通过
化学降解、
串联质谱、同核和异核NMR实验阐明,并通过合成加以验证。