Crassine (1), liriodenine, (–)-anonaine, N-methylcorydaldine, p-hydroxybenzoic acid, p-hydroxybenzaldehyde, (+)-pinitol, β-sitosterol, stigmasterol, 11,13-dehydrolanuginolide, and costunolide were isolated from the roots of Michelia crassipes (Magnoliaceae). Among them, crassine is a new dimer of morpholine. The structure of crassine (1) was characterized and identified by spectral analyses.
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Acknowledgment
This work was financially supported by the Ministry of Science and Technology of the Republic of China under Grant No. MOST 104-2320-B-242-001-MY3 (C. Y. Chen).
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Published in Khimiya Prirodnykh Soedinenii, No. 3, May–June, 2021, pp. 399–400.
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Chen, C.Y., Kao, C.L., Chen, H.C. et al. A Morpholine Dimer of Michelia crassipes. Chem Nat Compd 57, 468–470 (2021). https://doi.org/10.1007/s10600-021-03389-9
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DOI: https://doi.org/10.1007/s10600-021-03389-9