Aconapelsulfonines A and B,seco C20-diterpenoid alkaloids deriving via Criegee rearrangements of napelline skeleton from Aconitum carmichaelii |
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Authors: | Hui Liu Yuzhuo Wu Qinglan Guo Shuai Shao Chengbo Xu Tiantai Zhang Jiangong Shi |
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Institution: | State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China |
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Abstract: | Two sulfonated seco C20-diterpenoid alkaloids, aconapelsulfonines A (1) and B (2), were isolated from an aqueous extract of the raw material of “Fu Zi” (the Aconitum carmichaelii lateral roots), of which the structures were elucidated by various spectroscopic data, combined with X-ray crystallographic analysis. The unprecedented skeletons are biogenetically proposed to be derived via Criegee rearrangements of the napelline-type architecture. The two compounds exhibited dose-depended analgesic activities on an acetic acid-induced mice writhing test. |
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Keywords: | Ranunculaceae Aconitum carmichaelii C20-Diterpenoid alkaloid Aconapelsulfonine Analgesic activity |
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