Chemical constituents of Klainedoxa gabonenses and Paullinia pinnata.
作者： Dagobert Tazoo , Renadin S. Miemanang , Karsten Krohn , Barbara Schulz , Hidayat Hussain
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摘要: From the whole plant of Klainedoxa gabonenses betulinic acid ( 1), lupeol 2), s-sitosterol 3), �- amyran-3-one 4) and 3,3',4'-tri-O-methylellagic 5) were isolated. Similarly paullinomide A 6), �-amyrin (7), 2-(4-hydroxy-3,5-dimethoxyphenyl)-3-hydroxymethyl-2,3-dihydro-1,4,5-trioxaphenanthren-6-one 8), 5�- poriferastane-3s,6 �-diol 9), �-sitosterol l-quebrachitol 10 ), glucopyranoside 11 ) isolated from roots Paullinia pinnata. Preliminary studies showed that 2-(4-hydroxy-3,5-dimethoxyphenyl)-3- hydroxymethyl-2,3-dihydro-1,4,5-trioxaphenanthren-6-one 8) moderate algicidal activity against alga Chlorella fusca
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