Two New Altenusin/Thiazole Hybrids and a New Benzothiazole Derivative from the Marine Sponge-Derived Fungus <i>Alternaria</i> sp. SCSIOS02F49
Two novel altenusin-thiazole hybrids named altenusinoides A and B (<b>1</b> and <b>2</b>), a new benzothiazole derivative (<b>3</b>), and three known altenusin derivatives (<b>4</b>⁻<b>6</b>) have been obtained from the solid cult...
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doaj-cb3e46ad502b4151a210aebafa64cccb2020-11-25T00:50:43ZengMDPI AGMolecules1420-30492018-11-012311284410.3390/molecules23112844molecules23112844Two New Altenusin/Thiazole Hybrids and a New Benzothiazole Derivative from the Marine Sponge-Derived Fungus <i>Alternaria</i> sp. SCSIOS02F49Yaping Chen0Ruyan Chen1Jinhuai Xu2Yongqi Tian3Jiangping Xu4Yonghong Liu5School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, ChinaCollege of Biological Science and Technology, Fuzhou University, Fuzhou 350116, ChinaCollege of Biological Science and Technology, Fuzhou University, Fuzhou 350116, ChinaCollege of Biological Science and Technology, Fuzhou University, Fuzhou 350116, ChinaSchool of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, ChinaCAS Key Laboratory of Tropical Marine Bio-Resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica/RNAM Center for Marine Microbiology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, ChinaTwo novel altenusin-thiazole hybrids named altenusinoides A and B (<b>1</b> and <b>2</b>), a new benzothiazole derivative (<b>3</b>), and three known altenusin derivatives (<b>4</b>⁻<b>6</b>) have been obtained from the solid culture of the marine sponge-derived fungal strain, <i>Alternaria</i> sp. SCSIOS02F49. The structures of these new compounds were characterized by NMR, HRESIMS, and X-ray single crystal analysis. Compounds <b>1</b> and <b>2</b> possess an unusual altenusin-thiazole-fused skeleton core (6/6/5), and compound <b>3</b> represents the first benzothiazole derivative from fungi. Compounds <b>4</b> and <b>5</b> showed significant DPPH free-radical-scavenging activities with the prominent IC<sub>50</sub> values of 10.7 ± 0.09 μM and 100.6 ± 0.025 μM, respectively. Additionally, compound <b>5</b> exhibited COX-2 inhibitory activity with an IC<sub>50</sub> value of 9.5 ± 0.08 μM.https://www.mdpi.com/1420-3049/23/11/2844sponge-derived fungus<i>Alternaria</i> sp. SCSIOS02F49altenusin/thiazole hybridsbenzothiazole derivative |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Yaping Chen Ruyan Chen Jinhuai Xu Yongqi Tian Jiangping Xu Yonghong Liu |
spellingShingle |
Yaping Chen Ruyan Chen Jinhuai Xu Yongqi Tian Jiangping Xu Yonghong Liu Two New Altenusin/Thiazole Hybrids and a New Benzothiazole Derivative from the Marine Sponge-Derived Fungus <i>Alternaria</i> sp. SCSIOS02F49 Molecules sponge-derived fungus <i>Alternaria</i> sp. SCSIOS02F49 altenusin/thiazole hybrids benzothiazole derivative |
author_facet |
Yaping Chen Ruyan Chen Jinhuai Xu Yongqi Tian Jiangping Xu Yonghong Liu |
author_sort |
Yaping Chen |
title |
Two New Altenusin/Thiazole Hybrids and a New Benzothiazole Derivative from the Marine Sponge-Derived Fungus <i>Alternaria</i> sp. SCSIOS02F49 |
title_short |
Two New Altenusin/Thiazole Hybrids and a New Benzothiazole Derivative from the Marine Sponge-Derived Fungus <i>Alternaria</i> sp. SCSIOS02F49 |
title_full |
Two New Altenusin/Thiazole Hybrids and a New Benzothiazole Derivative from the Marine Sponge-Derived Fungus <i>Alternaria</i> sp. SCSIOS02F49 |
title_fullStr |
Two New Altenusin/Thiazole Hybrids and a New Benzothiazole Derivative from the Marine Sponge-Derived Fungus <i>Alternaria</i> sp. SCSIOS02F49 |
title_full_unstemmed |
Two New Altenusin/Thiazole Hybrids and a New Benzothiazole Derivative from the Marine Sponge-Derived Fungus <i>Alternaria</i> sp. SCSIOS02F49 |
title_sort |
two new altenusin/thiazole hybrids and a new benzothiazole derivative from the marine sponge-derived fungus <i>alternaria</i> sp. scsios02f49 |
publisher |
MDPI AG |
series |
Molecules |
issn |
1420-3049 |
publishDate |
2018-11-01 |
description |
Two novel altenusin-thiazole hybrids named altenusinoides A and B (<b>1</b> and <b>2</b>), a new benzothiazole derivative (<b>3</b>), and three known altenusin derivatives (<b>4</b>⁻<b>6</b>) have been obtained from the solid culture of the marine sponge-derived fungal strain, <i>Alternaria</i> sp. SCSIOS02F49. The structures of these new compounds were characterized by NMR, HRESIMS, and X-ray single crystal analysis. Compounds <b>1</b> and <b>2</b> possess an unusual altenusin-thiazole-fused skeleton core (6/6/5), and compound <b>3</b> represents the first benzothiazole derivative from fungi. Compounds <b>4</b> and <b>5</b> showed significant DPPH free-radical-scavenging activities with the prominent IC<sub>50</sub> values of 10.7 ± 0.09 μM and 100.6 ± 0.025 μM, respectively. Additionally, compound <b>5</b> exhibited COX-2 inhibitory activity with an IC<sub>50</sub> value of 9.5 ± 0.08 μM. |
topic |
sponge-derived fungus <i>Alternaria</i> sp. SCSIOS02F49 altenusin/thiazole hybrids benzothiazole derivative |
url |
https://www.mdpi.com/1420-3049/23/11/2844 |
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