Abstract
AbstractA new simple carbazole alkaloid, 4‐(7‐hydroxy‐3‐methoxy‐6‐methyl‐9H‐carbazol‐4‐yl)but‐3‐en‐2‐one (1), and two new dimeric carbazole alkaloids, bisglybomine B (2) and biscarbalexine A (3), together with seven known alkaloids, were isolated from the stems of Glycosmis pentaphylla. Their structures were elucidated by spectroscopic methods, especially 2D‐NMR techniques.
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