The leaves of
A. scholaris cultivated in Kunming, contained picrinine-type alkaloids, scholaricin-type alkaloids and nareline
as major alkaloids. New compounds 1–3 might be derived from a common biogenetic precursor (5). Compounds
1, 5 and 10 exhibited significant antibacterial activity against Enterococcus faecalis, and 3, 9 and 14 against
Pseudomonas aeruginosa with an MIC value of 0.781 μg/mL, while 14 showed moderate activity against Klepsiella
pneumonia with an MIC value of 1.56 μg/mL.