Two pairs of enantiomeric α-pyrone dimers from the endophytic fungus Phoma sp. YN02-P-3
Autor: | Shao-Fei Chen, Hai-Feng Wang, Jiao Bai, Xiao-Jie Lu, Xiao An, Dan Zhao, Xia-Nan Sang, Yue-Hu Pei, Gang Chen, Sheng-Ge Li |
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Rok vydání: | 2017 |
Předmět: | |
Zdroj: | RSC Advances. 7:1943-1946 |
ISSN: | 2046-2069 |
DOI: | 10.1039/c6ra26319d |
Popis: | (±) Phomones A (1) and B (2), two pairs of novel enantiomeric α-pyrone dimers from the endophytic fungus Phoma sp. YN02-P-3 are reported. Compounds 1 and 2 are the first examples of 6-α,β-unsaturated ester-2-pyrone dimers, and compound 1 possesses a novel 6/4/5/6 tetracyclic ring system. Their structures and stereochemistry were determined by the analysis of extensive spectroscopic data, ECD calculations and single-crystal X-ray diffraction data. |
Databáze: | OpenAIRE |
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