An efficient solvent-free synthesis of meso-substituted dipyrromethanes using SnCl2•2H2O catalysis

Kabeer Ahmed Shaikh, Vishal A. Patil, B. P. Bandgar

Abstract


Highly rapid and simple methodology has been developed for the quantitative synthesis of meso-substituted dipyrromethanes from lowest pyrrole/aldehyde ratio. The method was carried out by using SnCl2•2H2O as a catalyst under solvent free condition. The method is environmentally friendly, easy to workup, and gives excellent yield of the products.

Keywords


pyrrole; dipyrromethanes; SnCl2•2H2O catalysis; grinding

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Orbital: The Electronic Journal of Chemistry (e-ISSN 1984-6428) is a quarterly scientific journal published by the Institute of Chemistry of the Universidade Federal de Mato Grosso do Sul, Brazil. Orbital is a peer-reviewed, open-access journal.