A Regioselective Synthesis of 5-Pyrazolones and Pyrazoles from Phosphazenes derived from Hydrazines and Acetylenic Esters

Authors: Palacios, F.; Ochoa de Retana, A.M.; Pagalday, J.

Source: Tetrahedron, Volume 55, Number 50, 10 December 1999 , pp. 14451-14458(8)

Publisher: Elsevier

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Keywords: 5-pyrazolones; acetylenic esters; hydrazines; phosphazenes; pyrazoles

Document Type: Research Article

DOI: http://dx.doi.org/10.1016/S0040-4020(99)00890-X

Publication date: December 10, 1999

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