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Three new benzofuran derivatives, namely ribisin E (1) ribisin F (2) along with ribisin G (3) were isolated from the MeOH extract of the fruiting bodies of Phellinus ribis. Their… Click to show full abstract
Three new benzofuran derivatives, namely ribisin E (1) ribisin F (2) along with ribisin G (3) were isolated from the MeOH extract of the fruiting bodies of Phellinus ribis. Their structures were elucidated based on the NMR analysis. Furthermore, the absolute configuration of ribisin E (1) and ribisin G (3) were deduced by the CD calculations, and the absolute configuration of ribisin F (2) was determined by comparing its CD spectrum and specific rotation with the data of known analogues. All compounds (1-3) exhibited the activity of promoting neurite outgrowth in nerve growth factor (NGF)-ediated PC 12 cell at concentrations ranging from 1 to 30 μM.
Journal Title: Natural product research
Year Published: 2020
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