From the endophytic fungal strain Phomopsis sp. NXZ‐05 of Camptotheca acuminata Decne. (Nyssaceae), six new compounds were isolated, including the ten‐membered macrolides 1–4 and their (known) parent compound multiplolide A (7), as well as a new unsaturated fatty acid, (4E)‐6,7,9‐trihydroxydec‐4‐enoic acid (5) and its methyl ester 6. Their structures were elucidated by spectroscopic and mass‐spectrometric analyses, including 1D‐ and 2D‐NMR experiments and HR‐ESI‐MS, and their biological activities were elucidated.
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Tan et al. (2007) studied this question.
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