Resumo

VERDECIA NAVARRO, Fernando; CALCINES HUERTA, Daniel; PEREZ MARTINEZ, Carlos  e  ORTIZ DEL TORO, Pedro. Esteroides c-funcionalizados. III.: Participación del grupo 12b -benzoxi en la reacción de apertura de 9a, 11a-epoxiandrostanos. Rev Cubana Farm [online]. 1997, vol.31, n.2, pp. 75-80. ISSN 1561-2988.

The synthesis of 5 a -andostrane- 3b , 9a , 11b , 12b tetrol-17-ona and its aceto-nid is described by the treatment of the corresponding 9a , 11a , epoxyl-12b-benzo derivative with HClO₄ 70 %. The structures of the products obtained were assigned using NMR-¹H and ¹³C.

Palavras-chave : ANDROSTANES [chemical, synthesis]; SPECTRUM ANALYSIS.