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  • Title: Insecticidal neolignans from Piper decurrens.
    Author: Chauret DC, Bernard CB, Arnason JT, Durst T, Krishnamurty HG, Sanchez-Vindas P, Moreno N, Roman LS, Poveda L.
    Journal: J Nat Prod; 1996 Feb; 59(2):152-5. PubMed ID: 8991948.
    Abstract:
    2,3-Dihydro-2-(4'-hydroxyphenyl)-3-methyl-5(E)-propenylbenzofuran (conocarpan) (1), 2-(4'-hydroxy-3'-methoxyphenyl)-3-methyl-5(E)- propenylbenzofuran (eupomatenoid-5) (2), and 2-(4'- hydroxyphenyl)-3-methyl-5(E)-propenylbenzofuran (eupomatenoid-6) (3), three known neolignans found for the first time in a species of the Piperaceae, were isolated from Piper decurrens via insecticidal bioassay-guided fractionation, along with a small quantity of a new related compound, 2,3-dihydro-5-formyl-2-(4'-hydroxyphenyl)-3-methylbenzofuran (decurrenal) (4), and 3,7,11,15-tetramethyl-2(E)-hexadecen-1-ol (trans-phytol).
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