Synthesis, Thermal and Photochemical Transformations of a few 4-Aryl-1,2-dipyridin-2-yl-but-2-ene-1,4-dione

Vidya Raman, Rakesh Natarajan

Abstract


In an attempt to synthesize 5-aryl-3,3-dipyridin-2-yl-3H-furan-2-ones, several (Z)-4-aryl-1,2-(dipyridin-2-yl)but-2-ene-1,4-dione precursors were synthesized by the base- catalyzed reaction between 2,2’-pyridil and suitably substituted acetophenones. These novel dibenzoylalkene- type systems containing heteroatomatic rings underwent extensive decomposition under the influence of heat and E-Z isomerization under the influence of light.


Keywords


Dibenzoylstyrenes, 2(3H)-furanones, 3(2H)-furanones,2,2’-pyridil, substituted acetophenones, condensation reaction.

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