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Synthesis 1986; 1986(3): 234-237
DOI: 10.1055/s-1986-31629
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Pyrido[2,1-f][1,2,4]triazine Derivatives from 2-Ethoxycarbonyl-4,6-diphenylpyrylium Salts and Hydrazides

P. Molina* , A. Tárraga, M. Lorenzo Peña
  • *Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Murcia, Murcia, Spain
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Publication Date:
20 August 2002 (online)

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A number of derivatives of the bicyclic pyrido[2,1-f]triazine system 4 and 5 have been prepared by reaction of N-amido-2-ethoxicarbonyl-4,6-diphenylpyridinium tetrafluoroborates 3 with hydrazine and hydroxylamine, respectively.