Heterocyclic Compounds
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ChemInform Abstract: A New Route to Synthesize 2,9-Dicarbonitrile-1,10-phenanthroline.
First published: March 23, 1993
Abstract
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ChemInform Abstract
2,9-Dimethyl-1,10-phenanthroline (I) is chlorinated and then esterified to give the dicarboxylate (IV). Treatment of (IV) with concentrated ammonia gives the diamide (V). This is dehydrated to form the dicarbonitrile (VI) by the Vilsmeyer reagent generated in situ from DMF and oxalyl chloride.
