Feeding experiments of labeled acetates to Nimbya scirpicola proved the carbon origin of the straight-chain polyketide, depudecin. Differential hydrogen exchange of the 2H label originating from 2H labeled acetate along the polyketide chain occurred. In particular, the deuterium of an epoxide methine at C-3 was lost to a substantial extent in the formation of depudecin.
将标记的
乙酸酯喂食 Nimbya scirpicola 的实验证明了直链聚酮化合物 depudecin 的碳源。源自 2H 标记
乙酸酯的 2H 标记沿着聚酮化合物链发生差异氢交换。特别是,在 depudecin 的形成过程中,C-3 处
环氧化物次甲基的
氘大量损失。