A novel lactam metabolite, 1-pentyl-8-oxa-3,6-diazabicyclo[3.2.1]octane-2,4,7-trione (1), was isolated from Penicillium sclerotium D35. The structure of the new compound 1 was elucidated by spectroscopic methods, including 1D and 2D NMR data and HR-MS. Compound 1 showed moderate nematode suppression activity with LC₅₀ values of 344.722 mg/L.

中文翻译：

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青霉菌D35的新型内酰胺代谢产物

从青霉菌D35中分离出一种新型内酰胺代谢物1-戊基-8-氧杂-3,6-二氮杂双环[3.2.1]辛烷-2,4,7-三酮（1）。通过光谱方法阐明了新化合物1的结构，包括1D和2D NMR数据以及HR-MS。化合物1表现出中等的线虫抑制活性，LC ₅₀值为344.722 mg / L。