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ABSTACTA total of 16 fungal strains were isolated from fresh leaves and flowers of Magnolia grandiflora and the EtOAc extracts of them were assayed for antitumor activities. Among these, the… Click to show full abstract
ABSTACTA total of 16 fungal strains were isolated from fresh leaves and flowers of Magnolia grandiflora and the EtOAc extracts of them were assayed for antitumor activities. Among these, the fungus Dothideomycetes sp. BMC-101 with broad spectrum inhibition was selected for further study. Four alkaloids (1-4) including two new compounds (2-(hydroxyimino)-3-phenylpropanoyl)-L-phenylalanine (1) and 8-Acetyl-bisdethiobis(methylsulfanyl)apoaranotin (4)) were isolated from Dothideomycetes sp. BMC-101. The structure of 1 was characterized with an oxime moiety formed by the condensation of two phenylalanines. To our knowledge, this is the first report on a fungal phenylalanine derivative with an oxime moiety.
Journal Title: Journal of Asian natural products research
Year Published: 2022
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