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Novel Sesquiterpenes from the Fungus Lactarius piperatus

✍ Scribed by Ying Wang; Sheng-Ping Yang; Jian-Min Yue; Sharon Chow; William Kitching

Book ID
102255192
Publisher
John Wiley and Sons
Year
2003
Tongue
German
Weight
157 KB
Volume
86
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Four novel sesquiterpenes, namely 7__α__,8__β__,13‐trihydroxy‐5,13‐marasmanolide (2), isoplorantinone (5), 4,8,14‐trihydroxyilludala‐2,6,8‐triene (6), and 8‐hydroxy‐8,9‐secolactara‐1,6‐dien‐5,13‐olide (10), together with six known ones, 7__α__,8__β__‐dihydroxy‐5,13‐marasmanolide (1), 7__α__,8__α__‐dihydroxy‐5,13‐marasmanolide (3), isolactarorufin (4), blennin A (7), blennin D (8), and lactarorufin (9), were isolated from the ethanolic extract of Lactarius piperatus. The structures of these sesquiterpenes, representing diversified structural types, were determined mainly by spectroscopic methods, especially 2D‐NMR techniques. The structure of 6 was further confirmed by a single‐crystal X‐ray‐diffraction determination.

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