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Buxus alkaloids. XXII. Alkaloids of leaves from immature twigs of Buxus sempervirens var. augustifolia WEST

O. Bauerová and Z. Votický

Institute of Chemistry, Centre for Chemical Research, Slovak Academy of Sciences, CS-842 38 Bratislava

 

Abstract: Seven alkaloids were isolated from the leaves of immature twigs of B. sempervirens var angustifolia: cyclovirobuxine D, buxaminol E, cyclobuxine D, buxtauine M, buxpiine K, cycloprotobuxine C, and cyclosuffrobuxine K, with cyclovirobuxine D being the principal base. Comparison with the results of isolation from mature leaves of the same species showed substantial differences in both kind and quantity in relation with the time of collection. The biosynthesis of Buxus alkaloids and their mutual transformations are discussed.

Full paper in Portable Document Format: 382a255.pdf

 

Chemical Papers 38 (2) 255–259 (1984)

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