A new solid-phase synthesis of 2,4,6-trisubstituted pyridines from hydroxya
cetophenones is described. The synthesis includes Claisen-Schmidt and Micha
el reactions on Wang resin to produce 1,5-diketones, which are then cyclize
d with ammonium acetate. The pyridine substituents are introduced independe
ntly and are derived from readily available, diverse sets of starting mater
ials. The method is suitable for the synthesis of arrays of compounds.