期刊
TETRAHEDRON
卷 75, 期 38, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2019.130530
关键词
Pseudopestalotiopsis sp.; Marine-derived fungus; Caryophyllene sesquiterpene; Chromone; 10-Membered macrolide; Antimicrobial activity
资金
- Crown Property Bureau
- Thailand's Education Hub
- Graduate School, Prince of Songkla University
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Ministry of Higher Education, Science, Research and Innovation, Thailand
- National Science and Technology Development Agency, Thailand
Three new caryophyllene sesquiterpenes, pestalotiopsins I-K, one new chromone, pseudopestalone, and one new 10-membered macrolide, decarestrictine Q, were isolated from the fermentation broth of the marine-derived fungus Pseudopestalotiopsis sp. PSU-AMF45 along with twelve known compounds. Their structures were identified by spectroscopic data including 1D and 2D NMR. The absolute configuration of pestalotiopsin I was assigned based on single-crystal X-ray diffraction crystallography whereas that of the secondary alcohol moiety in pestalotiopsin J was established by Mosher's method. For pseudopestalone, the absolute configuration was determined by ECD spectrum associated with TD-DFT calculation. The antimicrobial activity of the isolated compounds was evaluated. (C) 2019 Elsevier Ltd. All rights reserved.
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