ChemInform Abstract: Ring-Chain Transfor
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D. N. KOZHEVNIKOV; V. N. KOZHEVNIKOV; V. L. RUSINOV; O. N. CHUPAKHIN; E. O. SIDO
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Article
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2010
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John Wiley and Sons
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Ring-Chain Transformation in the 4-Hydroxy-3,4-dihydro-1,2,4triazine Series and a Novel Method for the Synthesis of 1,2,4-Triazine-4-oxides. -Condensation of the hydrazones (I) with aldehydes or ketones (II) affords a tautomeric mixture (III)/(IV) of triazines. The ringchain transformation of these