Chemical Constituents from the Tubers of Hemsleya penxianensis / 中国药学杂志

ABSTRACT

OBJECTIVE: To study the chemical constituents from the tubers of Hemsleya penxianensis. METHODS: The constituents were isolated from the tubers of H. penxianensis and purified by column chromatography, and the structures were identified by spectral analysis and chemical methods. RESULTS: Five compounds were isolated from the tubers of H. penxianensis and the structures were identified as 2β, 3α, 16α, 20, 24-pentahydroxycucurbita-5, 25(E)-diene-11, 22-dione(1), cucurbitacin II a(2), cucurbitacin IIb(3), hemslecins G(4), and jinfushanencins B(5). CONCLUSION: Compound 1 is a new compound.