2-(2-ALKOXYETHYL)-2'-HYDROXY-6,7-BENZOMORPHANES,PROCESSES FOR THEIR PREPARATION,AND PHARMACEUTICAL COMPOSITIONS THEREOF

摘要

Compounds of the formula wherein R1 is methyl, ethyl or propyl; R2 is hydrogen, methyl or ethyl; and R3 is (a) (b) or (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.