期刊
ORGANIC LETTERS
卷 23, 期 8, 页码 2858-2862出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.1c00328
关键词
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资金
- Hainan Province (Key Science and Technology Project) [ZDKJ202018]
- Chinese Academy of Sciences [QYZDJ-SSW-DQC004]
- NSFC [81872778, 31630004, 41911530078]
- MOST [2018YFC1406705]
- GML [2019ZD0406]
Two polycyclic thioalkaloides dassonmycins A and B were isolated from Nocardiopsis dassonvillei associated with marine sponge Petrosia sp. They feature a tetracyclic ring structure and exhibit moderate antibacterial and cytotoxic activities.
Two polycyclic thioalkaloides dassonmycins A (1) and B (2) were isolated from Nocardiopsis dassonvillei SCSIO 40065 associated with marine sponge Petrosia sp. Structures of 1 and 2 were elucidated by comprehensive spectroscopic analysis and confirmed by single-crystal X-ray diffraction experiments, to have a 6/6/6/6-fused tetracyclic ring featuring a naphthoquinone[2,3-e]piperazine-[1,2-c]thiomorpholine scaffold. Compound 2 formed a caged core through an additional ether bridge. Both compounds exhibited moderate antibacterial and cytotoxic activities.
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