Analgesic 2-(2-alkoxy-ethyl)-2'-hydroxy-6,7-benzomorphans and salts thereof

摘要

Compounds of the formula <IMAGE> wherein R1 is methyl, ethyl or propyl; R2 is hydrogen, methyl or ethyl; and R3 is <IMAGE> (a) <IMAGE> (b) or <IMAGE> (c) where R4 is hydrogen or methyl, R5 is methyl, ethyl or propyl, and n is 1 or 2, and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as the salts are useful as analgesics.