1.European Journal of Organic Chemistry
Volume 2004 Issue 22, Pages 4672 - 4679
Synthesis of Pyrazolyl-2-pyrazolines by Treatment of 3-(3-Aryl-3-oxopropenyl)chromen-4-ones with Hydrazine and Their Oxidation to Bis(pyrazoles)
Albert Lévai 1 *, Artur M. S. Silva 2 *, Diana C. G. A. Pinto 2, José A. S. Cavaleiro 2, Ibon Alkorta 3, José Elguero 3, József Jekö
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http://dx.doi.org/10.1002/ejoc.200400465
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