Four alkaloids, 5′-des- O -methylharringtonine, 3′ S -hydroxy-5′-des- O -methylharringtonine, 5′-des- O -methylhomoharringtonine and 5′-des- O -methylisoharringtonine, were isolated from the leaves and stems of C. harringtonia var. drupacea. Their structures were established by 1 H and 13 C NMR spectroscopic studies, chemical conversions to known alkaloids and applying the advanced Mosher's method for
摘要 从 5'-des-O-methylharringtonine、3'S-hydroxy-5'-des-O-methylharringtonine、5'-des-O-methylhomharringtonine 和 5'-des-O-methylisoharringtonine 中分离出四种
生物碱。 C. harringtonia var. 的叶子和茎。核果。它们的结构是通过 1 H 和 13 C NMR 光谱研究、
化学转化为已知
生物碱以及对仲醇部分应用先进的 Mosher 方法确定的。