Repositorio UMSNH

Listar por tema "Botogenina"

Listar por tema "Botogenina"

Ordenar por:Orden:Resultados:

  • Estudio de la Apertura de un 23-espirostano en presencia de TiCI4 
    Rivas Loaiza, Juan Antonio (Universidad Michoacana de San Nicolás de Hidalgo, 2015-02)
    This work describes a new methodology for the synthesis of cholestanic derivative 4, from botogenin acetate (1).The product was obtained from the opening of the F ring of compound 3 with TiCl4 and acetic anhydride. The ...
  • Nuevo reordenamiento de un 23-esporostano vía catálisis ácida 
    Pérez Gómez, Cristhian Ovidio (Universidad Michoacana de San Nicolás de Hidalgo, 2014-07)
    This work describes a new mothodology for the synthesis of cholestanic derivative 4, from botogenin acetate (1). The product was obtained from the regioselective opening of the F ring of compound 3 with BF3·OEt2 and acetic ...
  • Nuevos derivados colestánicos a partir de la apertura de 25R-23-espirosapogeninas con ZnCl2 
    Castillo Villalobos, Jorge Alberto (Universidad Michoacana de San Nicolás de Hidalgo, 2018-06)
    This work describes the preparation of three new triacetylated derivatives using a methodology from the sapogenins tigogenin, botogenin and hecogenin (25R series). Compounds 1-3 were oxidized to the 23-ketosepogenins (4-6) ...
  • Obtención de enonas esteroidales en microondas 
    Zendejas Ruiz, Mario (Universidad Michoacana de San Nicolás de Hidalgo, 2022-12)
    Steroids are compounds of great structural interest since many of them are used as drugs in the treatment of several diseases. In relation to steroids containing α-β-unsatured carbonyls on the “A” ring, it is known that ...
  • Reactividad de sistemas esteroidales frente a la adición de compuestos heterocíclicos 
    Flores Abad, Daniela (Universidad Michoacana de San Nicolás de Hidalgo, 2019-01)
    Steroids are a group of molecules with great structural interest, since from these have been prepared bioactive molecules with application at pharmaceutical level for the treatment of various diseases. Most of these active ...
  • Síntesis Y Caracterización de un nuevo derivado Colestánico de botogenina 
    Cortés Muñoz, Juan Luis (Universidad Michoacana de San Nicolás de Hidalgo, 2015-12)
    This work describes a new methodology for the synthesis of cholestanic derivative 5 from botogenin acetate (1). The product was obtained from the opening of the F ring of compound 3 with TiCl4 and acetic anhydride. The ...