Synthesis of a class of 5-((5-(pyrrol-2-yl-methylene)-pyrrol-2-yl)methylene)furan-2-ones and the formation of a furanone dipyrrin imino ether?

New Journal of Chemistry Pub Date: 2011-08-05 DOI: 10.1039/C1NJ20415G

Abstract

A class of α-furanyl dipyrrins 2 were prepared by refluxing THF solutions of DDQ adducts 1 with the appropriate alcohols in the presence of AlCl3 and further subsequent reaction of the cyano-group results in the formation of an imino ether upon MeOH addition.

Graphical abstract: Synthesis of a class of 5-((5-(pyrrol-2-yl-methylene)-pyrrol-2-yl)methylene)furan-2-ones and the formation of a furanone dipyrrin imino ether
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