Tricyclic derivatives, compositions and methods of use

摘要

Disclosed are compounds of Formula I: <IMAGE> (I) or a pharmaceutically acceptable salt or solvate thereof, wherein: R3 is alkyl, alkenyl, alkynyl, aryl, alkaryl, aralkyl, cycloalkyl, acyloxymethyl, alkoxy, alkoxymethyl, or alkyl substituted with cycloalkyl; R4 is H, alkyl, alkenyl, alkoxy, or -OH. Also disclosed are pharmaceutical compositions containing compounds of Formula I, methods for inhibiting tumor necrosis factor- alpha and methods for treating septic shock, inflammation, or allergic disease by administering a compound of Formula I.