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ChemInform Abstract: Multicomponent Synthesis of Pyridazine and Pyridazinoquinazoline Derivatives in the Presence of Catalysts such as Magnesium Oxide (MgO) and 12-Tungstophosphoric Acid (PW).

โœ Scribed by Hassan Sheibani; Zeinab Esfandiarpoor


Publisher
John Wiley and Sons
Year
2012
Weight
32 KB
Volume
43
Category
Article
ISSN
0931-7597

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Multicomponent synthesis of pyridazine a
โœ Hassan Sheibani; Zeinab Esfandiarpoor ๐Ÿ“‚ Article ๐Ÿ“… 2011 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 81 KB

A series of 3-amino-2,5-dihydropyridazines and fused pyridazinoquinazolines have been prepared in a one-step procedure from three-component reactions of (arylhydrazono)-propan-2-ones, aldehydes and malononitrile or ethyl cyanoacetate in the presence of magnesium oxide (MgO) and 12-tungstophosphoric