Martorana A, Pace A, Buscemi S, Palumbo Piccionello A. Synthesis of tetrasubstituted 4,4'-biimidazoles.
Org Lett 2012;
14:3240-3. [PMID:
22708577 DOI:
10.1021/ol3013414]
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Abstract
Highly substituted 4,4'-biimidazoles were synthesized, in good to excellent yields, through a multicomponent imidazole ring synthesis by using imidazol-4-yl-ethane-1,2-diones as starting materials. The obtained compounds were preliminarily tested as chromogenic and fluorescent sensors for heavy metals.
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