Now showing items 1-2 of 2

    • Mejias, Lorenzo; Sepúlveda, Silvia; Araya Maturana, Ramiro; Cassels Niven, Bruce; Rezende, Marcos Caroli (Marcel Dekker Inc., 1998)
      Methods for the regioselective bromination of the title naphthalenone are described, which lead to isomeric hydroquinones 5 or 6.
    • Vallejos, Gabriel; Cassels Niven, Bruce; Rezende, Marcos; Sepúlveda, Silvia (Taylor & Francis, 1999)
      The synthesis of annofolin (1), an alkaloid isolated from Annona hayesii in small amounts, by a phase-transfer catalytic reduction-methylation of cleistopholin (2) is reported, together with the preparation of its derivatives ...