Browsing by Author "Negrete, Rosa"

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    • (+)-9α-Hydroxymatrine from Sophora macrocarpa 
      Negrete, Rosa; Cassels Niven, Bruce; Eckhardt, Gert (1983)
      A new quinolizidine alkaloid, (+)-9α-hydroxymatrine, was isolated from the leaves of Sophora macrocarpa. Its structure was determined by a combination of spectroscopic methods, among which nuclear Overhauser enhancement ...
    • Insecticide and acaricide activities of polyhalogenated monoterpenes from chilean Plocamium cartilagineum 
      San Martín Barrientos, Aurelio; Negrete, Rosa; Rovirosa, Juana (1991)
      Four new alicyclic monoterpenes based on the 1-(2-chlorovinyl)-2,4,5-trichloro-1,5-dimethylcyclohexane skeleton were isolated from Plocamium cartilagineum from the Chilean coast, together with four known cyclic monoterpenes. ...