Novel esters derived from (rr,ss)-2-hydroxybenzoate of 3-(2-dimethylaminomethyl-1-hydroxycyclohexyl)phenyl

摘要

New esters derived from substituted phenyl-cyclohexyl compounds, which are derived from Tramadol, process for obtaining them and their use for preparing a drug with analgesic properties. These new compounds of general formula (I) have a higher analgesic activity, a lower toxicity and a longer effective time period than Tramadol.