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Articles by Bin-Gui Wang
Total Records ( 2 ) for Bin-Gui Wang
  Dong-Li Li , Xiao-Ming Li and Bin-Gui Wang
  Seven pentacyclic triterpenoids including 3β-O-(E)-coumaroyl-15agr-hydroxy-β-amyrin (1), 15agr-hydroxy-β-amyrin (2), 3β-taraxerol (3), 3β-taraxerol formate (4), 3β-taraxerol acetate (5), 3β-O-(E)-coumaroyl-taraxerol (6), and 3β-O-(Z)-coumaroyl-taraxerol (7) were isolated and identified from the stems and twigs of the mangrove plant Rhizophora stylosa. The structures of the isolated compounds were determined by extensive analysis of their spectroscopic data. Among these metabolites, compound 1 is a new oleanane-type triterpenoid coumaroyl ester, while compound 4 is a new natural product obtained here as an isolated substance for the first time. The full spectroscopic detail of compound 4 is also reported here for the first time.
  Yi Zhang , Xiao- Ming Li , Yan Feng and Bin-Gui Wang
  Two new phenethyl-α-pyrone derivatives including, isopyrophen (1) and aspergillusol (2), were characterised from the culture extract of Aspergillus niger EN-13, an endophytic fungus isolated from the inner tissue of the marine brown alga Colpomenia sinuosa. In addition, four known compounds, including a phenethyl-α-pyrone derivative (pyrophen, 3) and three cyclodipeptides (4-6), were also isolated and identified. The structures of these compounds were elucidated by spectroscopic methods.
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