| 摘要 |
The invention is concerned with certain novel 6,7-benzomorphan derivatives having analgesic and/or morphine-antagonistic properties of the formula <IMAGE> wherein each R is a lower alkyl group; R1 is a hydrogen atom, or an alkyl, haloalkyl, alkenyl, haloalkenyl, alkinyl, cycloalkyl, cycloalkenyl, cycloalkylalkyl, cycloalkenylalkyl, cycloalkylidenealkyl, aralkyl, heteroarylalkyl or heterocycloalkylalkyl group; R2 is a hydrogen atom or a hydroxy, alkoxy, alkoxyalkoxy or acyloxy group. Such 6,7-benzomorphans may be in the form of their optically active enantiomers and/or their therapeutically acceptable salts. Methods for producing such 6,7-benzomorphan derivatives, and novel intermediates useful for such production are also disclosed and form part of the invention.
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