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3. Koninginins X-Z, Three New Polyketides from Trichoderma koningiopsis SC-5.

Author

Peng, Weiwei, Tan, Jianbing, Sang, Zihuan, Huang, Yuantao, Xu, Li, Zheng, Yuting, Qin, Siyu, Tan, Haibo, and Zou, Zhenxing

Subjects
POLYKETIDES, TRICHODERMA, ENDOPHYTIC fungi, CIRCULAR dichroism, SINGLE crystals, X-ray diffraction, CANDIDA albicans
Abstract

Koninginins X-Z (1–3), three novel polyketides, were isolated from the solid fermentation of the endophytic fungus Trichoderma koningiopsis SC-5. Their structures, including the absolute configurations, were comprehensively characterized by a combination of NMR spectroscopic methods, HRESIMS, 13C NMR, DFT GIAO 13C NMR, and electronic circular dichroism calculations as well as single crystal X-ray diffraction. In addition, all the compounds were evaluated for antifungal activity against Candida albicans. [ABSTRACT FROM AUTHOR]

Published
2023
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