New bisabolane sesquiterpenes from Ligularia songarica
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1National Laboratory of Applied Organic Chemistry, Department of Chemistry, Lanzhou University, Lanzhou, People's Republic of China.
Die Pharmazie
|February 24, 2001
Abstract:
Phytochemical investigation of Ligularia songarica (Compositae) afforded seven new bisabolane-type sesquiterpenes. Their structures were confirmed on the basis of spectroscopic methods, especially 2D-NMR techniques, and compound 7 showed stronger antibacterial activity against Escherichia coli, Pseudomonas acruginosa and Salmonella pullorum.