BENZOMORPHANES, METHOD OF THEIR PREPARATION, PHARMACEUTICAL AGENTS CONTAINING THEM, AND THEIR USE

摘要

Benzomorphan derivatives of the general formula (I) wherein R1 is C1-8alkyl, C3-6alkenyl, C3-6alkinyl, C6-10aryl; R2 is H, C1-8alkyl, C3-6alkenyl, C3-6alkinyl, C6-10aryl, C7-14aralkyl; R3 is H, C1-6alkyl; R4 is C1-8alkyl; R5 is C1-8alkyl; R6 is C1-8alkyl, C6-10aryl, and R7 and R8 independently represent for instance H, C1-8alkyl, halo, -OH, -CN, -NH2 and others; X is O or S.