C(22)-steroidal lactone glycosides from stems and leaves of Paris polyphylla var. yunnanensis.

Abstract

Further phytochemical investigation on the stems and leaves of Paris polyphylla var. yunnanensis has led to the isolation of three C(22)-steroidal lactone glycosides. Two of these are new compounds, designated as chonglouoside SL-7 (1) and chonglouoside SL-8 (2). Their structures were elucidated on the basis of extensive spectroscopic analysis, as well as… (More)
DOI: 10.1016/j.fitote.2012.12.007

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