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Behaviour of 2-nitroheterocycles in Cycloaddition 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: Five membered aromatic 2-nitroheterocycles are studied in Diels-Alder reactions. 2-nitrofuran and 1-tosil-2-nitropyrrole yielded normal cycloadducts with isoprene and Rawal´s diene. Formation of pyrrolyl-derivatives are observed in reactions of 2-nitrothiophene and 2-nitroselenophene with isoprene.
Keywords: 2-nitroheterocycles, dienophiles, Diels-Alder2-nitroheterocycles; dienophiles; Diels-Alder