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Synthesis 1985; 1985(12): 1146-1147
DOI: 10.1055/s-1985-31456
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A New Synthesis of Bipyrimidones by Reaction of Hydrazine Derivatives with Ethyl Carbonochloridate

José Barluenga* , Laudina Muñiz, M. José Iglesias, Vicente Gotor
  • *Departamento de Química Orgánica, Facultad de Química, Universidad de Oviedo, 33071-Oviedo, Spain
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Publication Date:
27 September 2002 (online)

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Hydrazine derivatives react with ethyl carbonochloridate through a double condensation process. The new compounds obtained afford 2,2′-dioxo-1,1′2,2′-tetrahydro-1,1′-bipyrimidines when treated with an alkyllithium reagent.