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Two New Diterpenoid Alkaloids from Spiraea japonica L.f.var. Fortunei (Planchon) Rehd. |
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| Abstract: | Two new hetisine-type C20-diterpenoid alkaloids named spiraqine (1) and 6-hydroxylspiraqine (2), and four known alkaloids, namely spiredine (3), spiradine A (4), spiradine B (5), and spirasine Ⅴ/Ⅵ (6),were isolated from Spiraea japonica L. f. var. fortunei (Planchon) Rehd. The structures of the alkaloids were elucidated using nuclear magnetic resonance analysis (1H-NMR, 13C-NMR, DEPT, HMQC, and HMBC) and mass spectrometry data. |
| Keywords: | C20-diterpenoid alkaloids hetisine type 6-hydroxylspiraqine Rosaceae Spiraea japonica L f var fortunei (Planchon)Rehd spiraqine |
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