A phytochemical investigation of the ethanol extract from the barks of Litsea rubescens resulted in the isolation of three new compounds, 3α,7β-diacetyl-8β-methyloctahydro-4β-methyl formate (1), (–)-N-methoxycarbonylorientailine (3), and 9-O-[4-O-acetyl-α-L-rhamnopyranosyl-(1→6)-β-Dglucopyranosyl]-3,4-dimethoxycinnamic acid (5), together with two known compounds, 3α,7β-dihydroxy-8β-methyloctahydro-4β-methyl formate (2) and (–)-orientailine (4). The structures of the three new compounds were elucidated on the basis of 1D, 2D NMR (COSY, HMQC, HMBC, and NOESY), and mass spectral analyses.
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Published in Khimiya Prirodnykh Soedinenii, No. 4, July–August, 2017, pp. 591–594.
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Hu, J., Mao, X., Shi, X. et al. Chemical Constituents of the Barks of Litsea rubescens . Chem Nat Compd 53, 694–697 (2017). https://doi.org/10.1007/s10600-017-2093-1
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DOI: https://doi.org/10.1007/s10600-017-2093-1