New substituted 4-azatricyclo[4.3.1.13,8]undecane derivatives

The synthesis of a series of new substituted 4-azatricyclo[4.3.1.13.8]undecane and 4-azatricyclo[4.3.1.13.8]-undecan-5-one derivatives is described. Compounds 4f and 4g displayed antiviral activity.