Heterocyclic Compounds
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ChemInform Abstract: A Convenient, One-Pot Synthesis of 1,9-Dicyanodipyrromethanes and a Difurylmethane.
First published: February 28, 1995
Abstract
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ChemInform Abstract
Decarboxylation of the 1,9-dicarboxydipyrromethanes (I) and reaction with chlorosulfonyl isocyanate (II) yield the 1,9- dicyanodipyrromethanes (III). Cyanation of the heterocycles (IV) gives the dicyano derivatives (V).
