The reaction of anilinomethylenemalononitrile 1 or 1,4-di (malononitrilemethyleneamino) benzene 7 with some reactive halo compounds in a one-pot reaction under PTC conditions affords a new series of pyrrole and pyridinone compounds. The reaction of compounds 1 or 7 with ethyl chloroformate gives the corresponding esters which underwent cyclization on reaction with different amino compounds affording the pyrimidinone derivatives.
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Abdel‐Ghany et al. (1995) studied this question.
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