2,3,5-trisubstituted pyridines as inhibitors of cyclooxygenase-2
申请人:Merck Frosst Canada & Co.
公开号:US06046217A1
公开(公告)日:2000-04-04
The invention encompasses the novel compound of Formula I as well as a method of treating cyclooxygenase-2 mediated diseases comprising administration to a patient in need of such treatment of a non-toxic therapeutically effective amount of a compound of Formula I. ##STR1## The invention also encompasses certain pharmaceutical compositions for treatment of cyclooxygenase-2 mediated diseases comprising compounds of Formula I.
The acylation reaction of organolithium reagents with pyrrolidine-derived α-benzyloxy and α-silyloxy carboxamides provides a simple and high-yielding method for the preparation of enantiopure α-benzyloxy and α-silyloxy ketones.