W. Xue, B. Zhao, D. R. Kodirova
Jul 1, 2020
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Journal
Chemistry of Natural Compounds
Abstract
Delphinium naviculare var. lasiocarpum W.T.Wang (Ranunculaceae) is an herbaceous plant species endemic to Xinjiang-Uyghur Autonomous Region of China [1]. The EtOH extract of the plant afforded 23 diterpenoid alkaloids such as naviculine, delcorine, hypaconitine, lappaconitine, lasiocarpum, etc. [2]. The isolation from this plant of three new and five known diterpenoid alkaloids was reported by us in a previous publication [3]. Therefore, we continued research on the CHCl3–MeOH (1:1) extract of D. naviculare var. lasiocarpum and isolated the 10 known diterpenoid alkaloids isolappaconitine (1), sinomontanine F (2), sinomontanine A (3), lappaconine (4), ranaconine (5), trabzonine (6), potanisine A (7), N-acetylsepaconitine (8), and pseudorenines A and B (9 and 10). All compounds were isolated for the first time from this plant.