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Limonoids and Diterpenoids from Toona ciliata Roem. var. yunnanensis
Feng Zhang1, Shang-Gao Liao, Chuan-Rui Zhang
1Department of Pharmacy, Changzheng Hospital, Second Military Medical University, Shanghai, P. R. China.
Planta Medica
|April 8, 2011
Abstract:
Three new limonoids (toonaciliatins N-P, 1-3)and four new pimaradiene-type diterpenoids(toonacilidins A-D, 4-7) were isolated from the leaves and twigs of Toona ciliata Roem. var. yunnanensis.Their structures were elucidated on the basis of spectroscopic methods. Toonacilidin B(5)showed moderate inhibitory activity against H. pylori-SS1 with an MIC of 50 μg/mL.
