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New phenolic esters from the resinous exudate of Haplopappus taeda
Authors:Faini Francesca  Labbé Cecilia  Torres René  Rodilla Jesús M  Silva Lucía  Delle Monache Franco
Affiliation:Departamento de Química, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Santiago, Chile. ffaini@uchile.cl
Abstract:Two new phenolic esters 9-trans-p-coumaroyloxy-alpha-terpineol (1) and 7-trans-p-coumaroyloxy-taedol (2), both endowed with free radical scavenger activity and cleroda-3,13 (E)-dien-15,18-diol (3) for which a cis stereochemistry at the decalin junction was found, were isolated from the resinous exudate from Haplopappus taeda upper parts.
Keywords:Haplopappus taeda  α  -Terpineol  Taedol derivatives  cis-ent-Clerodanes
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