An icetexane diterpenoid, 9(10→20)-abeo-abietane diterpenoid, annlomultialaskoside (1), has been isolated from the endophytic fungus Annulohypoxylon multiforme var. alaskense, derived from the medicinal plant Alnus formosana. The structure was determined by spectroscopic methods, mainly 1D and 2D NMR, and comparison of the spectroscopic data with those reported for structurally related compounds.
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Acknowledgment
This work was partial kindly supported by the Food Industry Research and Development Institute (FIRDI) and supported by Ministry of Science and Technology, R.O.C. (MOST-108-2320-B-080-002- & 110-2320-B-080-001-). The authors also thank Senior Technician Mrs. Chyi Jia Wang of the Center for Resources, Research, and Development (CRRD) of Kaohsiung Medical University for measuring the 2D NMR data.
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Published in Khimiya Prirodnykh Soedinenii, No. 3, May–June, 2022, pp. 404–406.
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Cheng, MJ., Wu, MD., Hsieh, SY. et al. A New Icetexane Diterpenoid from the Endophytic Fungus Annulohypoxylon multiforme var. alaskense. Chem Nat Compd 58, 471–473 (2022). https://doi.org/10.1007/s10600-022-03713-x
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DOI: https://doi.org/10.1007/s10600-022-03713-x