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Title 

Lepistatins A-C, chlorinated sesquiterpenes from the cultured basidiomycete Lepista sordida

Authors 

H S KangSo-Ae JiSo-Hyun ParkJong-Pyung Kim

Publisher 

Elsevier

Issue Date 

2017

Citation 

Phytochemistry

Keywords 

BasidiomycetesIndanoneNatural productsSesquiterpenes

Abstract 

Three new chlorinated sesquiterpenes, named lepistatins A?C, were isolated from the culture broth of Basidiomycete Lepista sordida. The structures were determined by the analysis of spectroscopic data including HREIMS and 1D and 2D NMR. The absolute configuration of lepistatin B was determined by comparing the specific rotation and circular dichroism spectrum with those of known structurally related compounds bearing the same chiral carbon. The structures of lepistatins A?C feature the indanone core structure, but differ from other indanone-containing sesquiterpenes of fungal origin by the alkyl substitution pattern. This indicates that lepistatins A?C probably possess a new sesquiterpene scaffold derived from the common precursor, trans-humulyl cation, by an alternative cyclization.

ISSN 

0031-9422

Link 

http://dx.doi.org/10.1016/j.phytochem.2017.08.003

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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