Chemical Constituents of the Flowers of Michelia figo
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In continuation of our research on chemical composition of Michelia genus growing in the temperature zone of oriental India, southern China, Malaysia, and Indonesia, we have investigated less known species, such as Michelia figo used as ornamental plant and to obtain essences . M. figo is an evergreen medium shrub, commonly called banana shrub because of the heavy, sweet fragrance banana scent of its purple flowers. The plant is also known in Indian folk medicine as a remedy against hypertension . To further understand the chemotaxonomy of the Michelia species [3, 4, 5, 6, 7], M. figo was chosen for phytochemical investigation. The chemical constituents of the flowers of this plant have not yet been reported. The compounds derived from the flowers include five alkaloids, (–)-asimilobine (1) , (–)-romerine (2) , (–)-anonaine (3) , thalifoline (4) , and corydaldine (5) ; two steroids, β-sitosterol (6)  and stigmasterol (7) ; four benzenoids, p-hydroxybenzaldeh...
This investigation was supported by a grant from the Ministry of Science and Technology of the Republic of China (MOST-104-2320-B-0242-001-MY3) awarded to C. Y. Chen.
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