SYNTHESIS OF PYRIDINE-2,6-BIS((E)-2-BENZYLIDENE-3-OXO-PROPANENITRILE) AND ITS BEHAVIOR TOWARDS NITROGEN BINUCLEOPHILES

[摘要]：Several new pyrazole, isoxazole and pyrimidine derivatives attached to pyridine ring at 2,6-positions have been synthesized by the reactions of the versatile multifunctional unreported pyridine-2,6-bis((E)-2-benzylidene-3-oxopropanenitrie) (2a) with several nitrogen binucleophiles. A novel one-pot three-component reaction of an aldehyde, pyridine-2,6-bis(3-oxopropanenitrile) (1) and electron-rich heterocyclic amines including [3-phenyl-1H-pyrazol-5-amine (12) and 2-aminobenzirnedazole (16)] in DMF have been described.

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