Objective: To study the chemical constituents of Juncus setchuensis.
Methods: Column chromatography was used in the isolation procedure. The structures of isolated compounds were elucidated by spectral data.
Results: Eight compounds were isolated and their structures were identified as 2-hydroxy-3-methylanthraquinone (1), physcion (2), stigmasterol (3), stigmast-3,6-dione (4), vanillin (5), n-heptacosanoic acid (6), trans-hydroxycinnamic (7) and 4-hydroxy-3-methoxy benzoic acid (8).
Conclusion: Compound 1, 2, 4 and 6 are obtained from this genus for the first time and all the compounds are obtained from this plant for the first time.
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