Intermediates for making analgesic N-phenyl-N-(3-OR.sup.1
申请人:Glaxo Inc.
公开号:US05387688A1
公开(公告)日:1995-02-07
Novel piperidinyl intermediates as set forth below wherein R, R.sup.1 and Ar are as set forth in the specification and W is either hydrogen or benzyloxycarbonyl. The intermediates are useful in the preparation of N-phenyl-N-(4-piperidinyl) amides having potent analgesic activity. ##STR1##
N-Phenyl-N-(4-piperdinyl)amide derivatives are disclosed having the general formula (I): ##STR1## wherein X, Ar, R and R.sup.1 are defined, including isomeric forms thereof and acid addition salts thereof. The compounds exhibit analgesic activity. The invention embraces the compounds (I), pharmaceutical compositions of (I) and methods of providing analgesia with (I). Also included are certain novel intermediates for making (I).
N-Phenyl-N-(4-piperdinyl)amide derivatives are disclosed having the general formula (I): ##STR1## wherein X, Ar, R and R.sup.1 are defined, including isomeric forms thereof and acid addition salts thereof. The compounds exhibit analgesic activity. The invention embraces the compounds (I), pharmaceutical compositions of (I) and methods of providing analgesia with (I). Also included are certain novel intermediates for making (I).