Intermediates for making analgesic N-phenyl-N-(3-OR.sup.1 -3-Me-

Details Intermediates for making analgesic N-phenyl-N-(3-OR.sup.1 -3-Me- Intermediates for making analgesic N-phenyl-N-(3-OR.sup.1 -3-Me-

1992-12-11

1995-02-07

Chang, Celia

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546224, C07D21140

Patent

active

053876881

ABSTRACT:
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##

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