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Different Behaviouof of Disubtituted Aromatic Heterocycles in Polar Diels-Alder Reactions
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1  Área Química Orgánica- Departamento de Química- Facultad de Ingeniería Química, Universidad Nacional del Litoral. Santiago del Estero 2829- 3000 Santa Fe, Argentina

Abstract: Dienophilic behaviour of disubstituted aromatic heterocycles towards normal electron demand Diels-Alder reactions is studied under thermal conditions. Formation of pyrrolyl-thiophenes are observed only in the reactions of nitrothiophenes with isoprene.
Keywords: heterocycles, Diels-Alder, dienophiles

 
 
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