Novel heterogenized bifunctional catalysts were prepared combining a rhodium complex with a pyrrolidine on porous polymeric aromatic frameworks (PAFs) based on tetraphenyl­adamantane and tetraphenyl­methane subunits. These new systems catalyze efficiently tandem Knoevenagel condensation and hydrogenation of the resulting olefin. These tandem reactions represent an easy and selective methodology for monoalkylation of methylene active compounds from aldehydes. The obtained bifunctional PAFs exhibit high activity and excellent stability in the cascade reactions and can be recycled up to ten times in a productive process.

Polymeric aromatic frameworks (PAFs), easily obtained from organic platforms, as excellent supports to yield robust well-defined organometallic heterogenized catalysts.

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