Fitoterapia 2015-Jun
Bioactive carbazole alkaloids from the stems of Clausena lansium.
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Seven new carbazole alkaloids, claulansines L-R (1-7), and six known analogues (8-13) were isolated from the stems of Clausena lansium. Their structures were elucidated on the basis of spectroscopic analyses, including UV, IR, and NMR experiments (HSQC, HMBC, and NOE experiment). Compound 7 showed moderate anti-inflammatory activities. Compounds 3, 5, 6, 8, and 12 exhibited moderate hepatoprotective activities.