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Natural Product Research
Formerly Natural Product Letters
Volume 35, 2021 - Issue 19
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Research Articles

Acetylenic sesquiterpenoids from cultures of the basidiomycete Stereum cf. hirsutum BCC 26597

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Pages 3185-3191 | Received 10 Sep 2019, Accepted 25 Oct 2019, Published online: 08 Nov 2019
 

Abstract

A new acetylenic sesquiterpenoid, stereyne A (1), and its acetonide derivative, stereyne B (2), were isolated from cultures of the basidiomycete Stereum cf. hirsutum BCC 26597. The structures were elucidated by spectroscopic analysis and a chemical correlation. Their absolute configurations were determined by application of the modified Mosher’s method. They represent new structural type of sesquiterpenoids from Stereum.

Graphical Abstract

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This study was financially supported by National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA). Identification of the fungus used in this study was supported by National Biobank of Thailand.

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