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1. The reaction of ethyl benzoylacetate with malononitrile: a novel synthesis of some pyridazine, pyridazino[2,3-a]quinazoline and pyrrole derivatives
Fathy M. Abdelrazek, , Abdellatif M. Salah El-Din and Ahmed E. Mekky
Tetrahedron Vol 57, P1813-1817

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http://dx.doi.org/10.1016/S0040-4020(00)01153-4

2. One-step synthesis of pyridine derivatives from malononitrile with bisarylidenecycloalkanone under microwave irradiation
Zhou, Jian-Feng; Tu, Shu-Jiang; Feng, Jun-Cai
Journal of Chemical Research, Vol 2001, July 2001 , pp. 268-269(2)

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http://dx.doi.org/10.3184/030823401103169874

3. An Improved Procedure for the Three-Component Synthesis of Highly Substituted Pyridines Using Ionic Liquid
Brindaban C. Ranu, Ranjan Jana, and S. Sowmiah
J. Org. Chem., 2007, 72 (8), pp 3152–3154

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http://dx.doi.org/10.1021/jo070015g

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