Browsing by Author "a43d49f5-5510-48cd-b650-8deab586dd42"

Now showing items 1-15 of 15

    • (25R)-Isonuatigenin, an unusual steroidal sapogenin from Vestia lycioides 
      Faini, Francesca; Torres, René; Castillo, Mariano (1984)
      (25R)-Isonuatigenin, a 5-spirosten-3β,25-diol, was isolated from aerial parts of Vestia lycioides. Its structure was elucidated mainly by 1H NMR and 13C NMR spectroscopy. A mixture of (25R)-nuatigenin and (25S)-isonuatigenin ...
    • A new β-carboline alkaloid from Vestia lycioides 
      Faini, Francesca; Castillo, Mariano; Torres, Rene (1978)
    • Bakuchiol derivatives from the leaves of Psoralea glandulosa 
      Labbé, Cecilia; Faini, Francesca; Coll, Joseph; Connolly, Joseph D. (Elsevier Ltd, 1996)
      Four new meroterpene derivatives have been isolated in a bioassay- guided study of the methanol extract of the leaves of Psoralea glandulosa, in addition to the known compounds bakuchiol and angelicin. Structures for the ...
    • Chemistry, toxicity and antifeedant activity of the resin of Flourensia thurifera 
      Faini, Francesca; Labbé, Cecilia; Salgado, Italo; Coll, Josep (1997)
      The resin extract from leaves and stems of Flourensia thurifera displayed high levels of activity in the brine shrimp (Artemia salina) and antifeedant disk-choice (Spodoptera littoralis) bioassays. A bioassay-guided ...
    • Costunolide and Flavonols from Gochnatia Foliosa Var. Fascicularis 
      Faini, Francesca; Castillo, Mariano; Torres, René (1984)
      As part of a systematic chemical investigation of Chilean Compositae (1-3), we examined the secondar chemistry of a member of the genus Gochnatia (tribe Mutisieae, subtribe Gochnatiinae): Gochnatia foliosa var. fscicularia ...
    • Coumarins of haplopappus multifolius and derivative as inhibitors of lox: Evaluation in-vitro and docking studies 
      Torres, Rene; Mascayano, Carolina; Núñez, Carolina; Modak, Brenda; Faini, Francesca (Sociedad Chilena de Quimica, 2013)
      Several natural compounds containing a coumarin moiety have been reported. They have multiple biological activities, e. g. , as scavengers of reactive oxygen species (ROS) and to reduce the inflammatory processes by ...
    • Crystal structure of 9-trans-p-coumaroyloxy-α-terpineol, C 19H24O4 
      Faini, Francesca; Gonzalez, Francisca Sanz; Labbé, Cecilia; Rodilla, Jesús M.; Torres, René; Rocha, Pedro M.; Monache, Franco Delle (2009)
      C19H24O4, monoclinic, P21 (no. 4), a = 9.231(2) Å, b= 16.318(3) Å, c= 11.647(2) Å, β = 91.31(3)°, V = 1753.9 Å3, Z = 4, Rgt(F) = 0.045, wRref(F2) = 0.124, T = 293 K. © by Oldenbourg Wissenschaftsverlag.
    • Crystal structure of 9-trans-P-coumaroyloxy-α-terpineol, C19H24O4 
      Faini, Francesca; Gonzalez, Francisca Sanz; Labbé, Cecilia; Rodilla, Jesús M.; Torres, René; Rocha, Pedro M.; Monache, Franco Delle (2009)
      C19H24O4, monoclinic, P21 (no. 4), a = 9.231(2) Å, b = 16.318(3) Å, c = 11.647(2) Å, β = 91.31(3)°, V = 1753.9 Å3, Z = 4, Rgt(F) = 0.045, wRref(F2) = 0.124, T =293 K. © 2014 Oldenbourg Wissenschaftsverlag GmbH, Rosenheimer ...
    • Diterpenes from Haplopappus chrysanthemifolius 
      Faini, Francesca; Labbé, Cecilia; Torres, René; Delle Monache, Franco; Delle Monache, Giuliano (1999)
      Three new diterpenes were isolated from the aerial part of Haplopappus chrysanthemifolius and assigned the structures 6α-hydroxy-ent-labd-8(17)-en- 15-oic acid, 3β-acetoxy-ent-labd-8(17)-en-15-oic acid and 18α-acetoxylabd- ...
    • Diterpenoids from chilean Baccharis species 
      Labbé, Cecilia; Faini, Francesca; Castillo, Mariano (1990)
      Two new ent-labdanes were isolated from the leaves of Baccharis paniculata. The results of a chemical study of other three Baccharis species are reported. © 1990.
    • New phenolic esters from the resinous exudate of Haplopappus taeda 
      Faini, Francesca; Labbé, Cecilia; Torres, René; Rodilla, Jesús M.; Silva, Lucía; Monache, Franco Delle (2007)
      Two new phenolic esters 9-trans-p-coumaroyloxy-α-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 ...
    • Obtencion y separacion de giberelinas lactonicas producidas pop el hongo gibberella fujikuroi para usarlas ... 
      Contreras, Paola; Faini, Francesca; Rojas, Maria Cecilia (2001)
      A simple separation method to obtain gibberellin standards is described.This includes isolation of the lactonic gibberellins GAg, GA4, GAy and GAgfrom Gibberella fujikuroi cultures by Chromatographie procedures and their ...
    • Tumor cell death induced by the inhibition of mitochondrial electron transport: The effect of 3-hydroxybakuchiol 
      Jaña, Fabián; Faini, Francesca; Lapier, Michel; Pavani, Mario; Kemmerling Weis, Ulrike; Morello Casté, Antonio; Maya Arango, Juan; Jara, José; Parra, Eduardo; Ferreira Parker, Jorge (Elsevier, 2013)
      Changes in mitochondrial ATP synthesis can affect the function of tumor cells due to the dependence of the first step of glycolysis on mitochondrial ATP. The oxidative phosphorylation (OXPHOS) system is responsible for ...
    • Two new O-geranyl coumarins from the resinous exudate of Haplopappus multifolius 
      Torres, René; Faini, Francesca; Delle Monache, Franco; Delle Monache, Giuliano (Elsevier, 2004)
      From the resinous exudate of leaves of Haplopappus multifolius two new coumarins were isolated and assigned the structures 6-hydroxy-7-(5′- hydroxy-3′,7′-dimethylocta-2′,6′-dien)-oxycoumarin (1) and 6-hydroxy-7-(7′-hydro ...
    • Variations of carnosic acid and carnosol concentrations in ethanol extracts of wild lepechinia salviae in ... 
      Labbé, Cecilia; Faini, Francesca; Calderón, Daniela; Molina, Juanita; Arredondo, Susana (Natural Product Incorporation, 2014)
      Ethanol extracts from dried leaves of wild Lepechinia salvia (Lindl) Epling, collected during the flowering period (September-November), contained 15% to 25% carnosic acid and 2 to 8% carnosol, depending on the month of ...