A new γ-lactone, namely pseudopithomyceslactone A (1), and three known compounds were isolated from the endophytic fungus Pseudopithomyces sp. J6. The structure of 1 was elucidated by extensive spectroscopic analysis combined with ECD calculations.

中文翻译：

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来自真菌 Pseudopithomyces sp. 的新代谢物。 J6

从内生真菌Pseudopithomyces sp .中分离出一种新的γ-内酯，即pseudopitithomyceslactone A ( 1 ) 和三种已知化合物。 J6。通过广泛的光谱分析结合 ECD 计算阐明了1的结构。