Two new cyclopentenones, trichodermone A (1) and trichodermone B (2), together with a known compound, 3-(3-oxocyclopent-1-enyl) propanoic acid (3), were isolated from the strain Trichoderma sp. YLF-3. Their structures were elucidated on the basis of their spectroscopic data. All compounds were assayed for antibacterial activity. Compound 3 showed activity against Staphyloccocus aureus and Bacillus cereus.

中文翻译：

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来自木霉属菌株的新的环戊烯酮。YLF-3。

从木霉属菌株中分离出两种新的环戊烯酮，曲体酮A（1）和曲体酮B（2），以及已知的化合物3-（3-氧代环戊-1-烯基）丙酸（3）。YLF-3。根据其光谱数据阐明了它们的结构。测定所有化合物的抗菌活性。化合物3对金黄色葡萄球菌和蜡状芽孢杆菌具有活性。