Catalytically Active Lead(II)-Imidazolium Coordination Assemblies with Diversified Lead(II) Coordination Geometries

Chatla, N B and Paladugu, S and Katam, S and Arruri, S and Natarajan, S and G, Prabusankar (2016) Catalytically Active Lead(II)-Imidazolium Coordination Assemblies with Diversified Lead(II) Coordination Geometries. Dalton Transactions. ISSN 1477-9226 (In Press)

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Abstract

Five Pb(II)-imidazolium carboxylate coordination assemblies with novel structural motifs were derived from the reaction between corresponding flexible, semi flexible or rigid imidazolium carboxylic acid ligands and lead nitrate. The imidazolium linker present in these molecules likely plays a triple role such as a counter ion to balance the metal charge, a ligand being an integral part of the final product and a catalyst facilitating carbon-carbon bond formation reaction. These lead-imidazolium coordination assemblies exhibit , variable chemical and thermal stability, as well as catalytic activity. These newly prepared catalysts are highly active towards benzoin condensation reactions with good functional group tolerance.

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