A new triterpenoid, 2α-benzoyl-19α-hydroxy-3α,23-O-isopropylidenyl-urs-12-en-28-oic acid (1), together with 15 known compounds were isolated from the aerial parts of Rhododendron hainanense. The structure of 1 was elucidated by spectroscopic methods, including extensive 1D and 2D NMR experiments.
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Published in Khimiya Prirodnykh Soedinenii, No. 3, May–June, 2013, pp. 399–400.
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Zhao, J. Triterpenoids from Rhododendron hainanense . Chem Nat Compd 49, 467–469 (2013). https://doi.org/10.1007/s10600-013-0640-y
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DOI: https://doi.org/10.1007/s10600-013-0640-y