A new monacolin derivative, namely (1S,2S,5′R,6R,8aR)-7-hydroxy-2,6-dimethyl-8-prenyl-1,2,6,8atetrahydronaphthalene-4′,5′-dihydro-2H-pyran-1′-one (1), and five known monacolin derivatives (2–6) were separated from the highland barley Monascus purpureus Went. for the first time. Their structures were elucidated on the basis of 1D and 2D NMR, HR-ESI-MS, and relevant references. Compounds 1–6 were tested for their hypolipidemic activities by measuring the triglyceride content in HepG2 cells. Among them, compounds 1 and 2 (10 μM) exhibited moderate hypolipidemic activity.
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This study was supported by the Science and Technology Project of Jiangxi Provincial Department of Education (GJJ180688).
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Published in Khimiya Prirodnykh Soedinenii, No. 6, November–December, 2020, pp. 920–922.
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Wei, R., Ma, Q., Jiang, W. et al. Hypolipidemic Activity of Monacolin Derivatives from the Highland Barley Monascus purpureus. Chem Nat Compd 56, 1072–1075 (2020). https://doi.org/10.1007/s10600-020-03229-2
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DOI: https://doi.org/10.1007/s10600-020-03229-2