Two New Bis-alkaloids from the Aerial Part of Piper flaviflorum
Yu Wu
Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, Shanghai 200433, P. R. China (phone: +86-21-81871300; fax: +86-21-81871300)
These two authors have contributed equally to this work.
Search for more papers by this authorCheng-Jian Zheng
Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, Shanghai 200433, P. R. China (phone: +86-21-81871300; fax: +86-21-81871300)
These two authors have contributed equally to this work.
Search for more papers by this authorXue-Hong Deng
Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, Shanghai 200433, P. R. China (phone: +86-21-81871300; fax: +86-21-81871300)
Department of Pharmacy, Fujian University of Traditional Chinese Medicine, 1 Huatuo Road, Fuzhou 350108, P. R. China
Search for more papers by this authorCorresponding Author
Lu-Ping Qin
Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, Shanghai 200433, P. R. China (phone: +86-21-81871300; fax: +86-21-81871300)
Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, Shanghai 200433, P. R. China (phone: +86-21-81871300; fax: +86-21-81871300)Search for more papers by this authorYu Wu
Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, Shanghai 200433, P. R. China (phone: +86-21-81871300; fax: +86-21-81871300)
These two authors have contributed equally to this work.
Search for more papers by this authorCheng-Jian Zheng
Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, Shanghai 200433, P. R. China (phone: +86-21-81871300; fax: +86-21-81871300)
These two authors have contributed equally to this work.
Search for more papers by this authorXue-Hong Deng
Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, Shanghai 200433, P. R. China (phone: +86-21-81871300; fax: +86-21-81871300)
Department of Pharmacy, Fujian University of Traditional Chinese Medicine, 1 Huatuo Road, Fuzhou 350108, P. R. China
Search for more papers by this authorCorresponding Author
Lu-Ping Qin
Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, Shanghai 200433, P. R. China (phone: +86-21-81871300; fax: +86-21-81871300)
Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, Shanghai 200433, P. R. China (phone: +86-21-81871300; fax: +86-21-81871300)Search for more papers by this authorAbstract
Two new bis-alkaloids, flavifloramides A (1) and B (2), as well as two known alkaloids, N-trans-feruloyltyramine (3) and paprazine (4), were isolated from the aerial part of Piper flaviflorum. The structures of the new compounds were elucidated by spectroscopic analyses, including 2D-NMR techniques.
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