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Spicatulides A-G, Phenolic-Monoterpenoid Hybrids from Chloranthus spicatus
Jun-Su Zhou1, Su-Ling Huang1, Yuan Gao1
1State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, People's Republic of China.
Abstract:
Spicatulides A-G (1-7), seven new phenolic-monoterpenoid hybrid molecules, along with two known compounds, 8 and 9, were isolated and identified from Chloranthus spicatus. Compound 1 represents an unprecedented skeleton featuring an aryl-fused 2-oxabicyclo[4.3.1]decane moiety, and compound 2 is the first example of a denudaquinol-normonoterpenoid adduct. Their structures with absolute configurations were elucidated on the basis of spectroscopic data analyses and TDDFT-ECD calculations. Compounds 3, 5, 6, and 9 exhibited the activity of reducing lipogenesis in HepG2 cells in a dose-dependent manner.
