Anti-Inflammatory Isoquinoline with Bis-seco-aporphine Skeleton from Dactylicapnos scandens
2018
Wang, Bei | Yang, Zi-Feng | Zhao, Yun-Li | Liu, Ya-Ping | Deng, Jun | Huang, Wan-Yi | Li, Xiao-Nian | Wang, Xin-Hua | Luo, Xiao-Dong
Dactyllactone A (1), which was isolated from Dactylicapnos scandens, is an isoquinoline alkaloid with a rearranged and reconstructed D ring, making it the first of a new subtype of aporphines. Compound 1 might be derived from a common aporphine skeleton, which may have undergone biogenetic rearrangement and cleavage of the aromatic ring. Its structure was determined by extensive spectroscopic analysis and single-crystal X-ray diffraction. Compound 1 exhibited anti-inflammatory activity in vitro significantly by inhibiting the expression of IL-1β and PGE2 in a dose-dependent manner.
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