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A Mesoporous ErIII-MCM-41 Catalyst for the Cyanosilylation of Aldehydes and Ketones under Solvent-free Conditions



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EvEr green: A simple synthetic protocol has been developed for the solvent-free cyanosilylation reaction of aldehydes and ketones with trimethylsilylcyanide (TMSCN) catalysed by a new mesoporous silica supported ErIII catalyst. The catalyst can be recovered and reused in subsequent reactions without showing any loss of activity (three uses).