Now showing items 1-11 of 11

    • Antiinflammatory and antipyretic metabolites of Acaena splendens 

      Backhouse,; Delporte,; Negrete,; Suarez,; Cassels Niven, Bruce; Breitmaier,; Schneider, (1997)
      Acaena splendens H. et A., Rosacene, has been used in Chilean traditional medicine for the treatment of fever and inflammation. The antipyretic and antiinflammatory properties of the infusion, methanol, petroleum ether and ...
    • BISBENZYLISOQUINOLINE ALKALOIDS IN BERBERIS CELL CULTURES 

      Cassels Niven, Bruce; Breitmaier, Eberhard; Zenk, Meinhart H. (Pergamon Journals Ltd., 1986-07-08)
      Callus cultures of 34 Berberís celllines representing 33 species were screened for alkaloids using TLC and HPLC. Jatrorrhizine was always found to be a major constituent; two B. stolonifera lines were the richest ...
    • Cyclobakuchiols A and B from Psoralea glandulosa 

      Backhouse Erazo, Nadine; Delporte Vergara, Carla; Negrete Córdova, Rosa; Cassels Niven, Bruce; Schneider, Christiane; Breitmaier, Eberhard; San Feliciano, Arturo (Elsevier Science ltd., 1995)
      Bioactivity guided fractionation of the dichloromethane extract from Psoralea glandulosa yielded the isolation of a diasteromeric mixture of cyclobakuchiols A and B as possible anti-inflammatory active compounds.
    • CYCLOBAKUCHIOLS A AND B FROM PSORALEA GLANDULOSA 

      Nadine Backhouse, C.; Delporte Vergara, Carla; Negrete Córdova, Rosa; Cassels Niven, Bruce; Schneider, Christiane; Breitmaier, Eberhard; San Feliciano, Arturo (Elsevier Science Ltd., 1995-01-16)
      Bioactivity guided fractionation of the dichloromethane extract from Psoralea glandulosa yielded the isolation of a diasteromeric mixture of cyc1obakuchiols A and B as possible anti-inflammatory active compounds.
    • DIBENZYL TRISULPHIDE AND TRANS-N-METHYL-4-METHOXYPROLINE FROM PETI VERIA ALLIACEA 

      De Sousa, José R.; Demuner, Antonio J.; Pinheiro, José A.; Breitmaier, Eberhard; Cassels Niven, Bruce (Pergamon Press, 1990-01-02)
      highly polar compound isolated from the stem of Petiueria alliacea was shown to be trans-l\r-methyl-C methoxyproline on the basis of its microanalysis and spectral data. Dibenzyl trisulphide, previously unknown as a natural ...
    • Dibenzyl trisulphide and trans-N-methyl-4-methoxyproline from Petiveria alliacea 

      De Sousa, Jose R.; Demuner, Antonio J.; Pinheiro, Jose A.; Breitmaier, Eberhard; Cassels Niven, Bruce (1990)
      A highly polar compound isolated from the stem of Petiveria alliacea was shown to be trans-N-methyl-4- methoxyproline on the basis of its microanalysis and spectral data. Dibenzyl trisulphide, previously unknown as a natural ...
    • Guaianolides from Centaurea chilensis and Centaurea floccosa 

      Negrete Córdova, Rosa; Backhouse Erazo, Nadine; San Martín Barrientos, Aurelio; Cassels Niven, Bruce; Hartmann, Rudolf; Breitmaier, Eberhard (Hüthig- Heidelberg, 1988)
      Al/S dem Cllloroform-Exlrakl da oberirdisclren Teile I'on Cemaurea clrilellsis IIIld Celltaurea floccosa II'I/rden ZII-ei hekallll/e Guaiallolit/e i.wlierr, 811-aCCIOXI'l/elrl'dmcoslu.\· laclO/I I 11I11/ cy"aropicri" 2. ...
    • One- and Two-Dimensional NMR in the Structure Determination of 3B-Acetoxy-17B,21B-epoxyhopane from Centaurea chilensis 

      Hartmann, Rudolf; Breitmaier, Eberhard; Camargo Grandón, Rodrigo; Negrete Córdova, Rosa; Backhouse Erazo, Nadine; Delporte Vergara, Carla; Cassels Niven, Bruce (Johann Ambrosius Barth, 1992-03-27)
    • One- and Two-Dimensional NMR in the Structure Determination of 3B-Acetoxy-17B,21B-epoxyhopane from Centaurea chilensis 

      Hartmann, Rudolf; Breitmaier, Eberhard; Camargo Grandón, Rodrigo; Negrete Córdova, Rosa; Backhouse Erazo, Nadine; Delporte Vergara, Carla; Cassels Niven, Bruce (Johann Ambrosius Barth, 1992-03-27)
    • Schizanthine X, A new alkaloid from schizanthus grahamii 

      Munoz, Orlando; Hartmann, Rudolf; Breitmaier, Eberhard (1991)
      A new dimeric alkaloid 1 has been isolated from Schizanthusgrahamiiand its structure determined by spectroscopic methods. © 1991, American Chemical Society. All rights reserved.
    • Two new antiinflammatory elemanolides from Centaurea chilensis 

      Negrete Córdova, Rosa; Backhouse Erazo, Nadine; Cajigal, Iván; Delporte Vergara, Carla; Cassels Niven, Bruce; Breitmaier, Eberhard; Eckhardt, Gert (Elsevier Scientific Publishers Ireland Ltd., 1993-07-08)
      Two previously undescribed elemanolide esters, the 2-methylpropanoate and 2-methyl-2-propenoate of 11,13dehydromelitensin, were iso1ated in the course of a bioassay-guided fractionation from the aeria1 parts of ...