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Secondary Metabolites from the Fermented Whole Broth of Fungal Strain Sanghuangporus sanghuang
- Wu, Ming-Der, Cheng, Ming-Jen, Chen, Yen-Lin, Chan, Hing-Yuen, Hsieh, Sung-Yuan, Chen, I-Ching, Wu, Po-Hung, Wu, Sheng-Hua
- Chemistry of natural compounds 2019 v.55 no.1 pp. 36-40
- carbon, chemical structure, fungi, normal values, nuclear magnetic resonance spectroscopy, secondary metabolites, sesquiterpenoids, stable isotopes
- Two new ionone-type sesquiterpenoids, sanghuanglin (1) and (+)-(2E,4E)-5-((S)-2,2-dimethyl-6-methylenecyclohexyl)-3-methylpenta-2,4-dienoic acid (2), were isolated from the whole broth of Sanghuangporus sanghuang BCRC 38847. Their chemical structures, including absolute configuration, were determined based on various spectroscopic methods, such as HR-ESI-MS, 1D NMR (¹H, ¹³C, DEPT), 2D NMR (gCOSY, gHSQC, gHMBC, NOESY), and by measuring the specific rotations of new isolates and comparing them with the literature reference values.