A new 3,4-dihydroisocoumarin, named botryoisocoumarin A (1), was obtained from the fermentation culture of Botryosphaeria sp. F00741, together with two known ones, 3,8-dihydroxy-3-methylisochroman-1-one (2) and 4,8-dihydroxy-3-methylisochroman-1-one (3). Their structures were elucidated by spectroscopic analyses, including 1D and 2D NMR experiments and ESI mass spectrometry, and by comparison with those reported. Compound 1 was evaluated for its antitumor and antimicrobial activities in vitro.
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Acknowledgment
This work was financially supported by the Key Grant of Chinese Ministry of Education (306010) and the 863 Program (2006AA10A202).
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Published in Khimiya Prirodnykh Soedinenii, No. 2, March–April, 2012, pp. 190–191.
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Xu, Y., Lu, C. & Zheng, Z. A new 3,4-dihydroisocoumarin isolated from Botryosphaeria sp. F00741. Chem Nat Compd 48, 205–207 (2012). https://doi.org/10.1007/s10600-012-0205-5
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DOI: https://doi.org/10.1007/s10600-012-0205-5