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l-Pipecolinic acid derived N-formamides have been developed as new Lewis basic organocatalysts that promote the asymmetric reduction of N-aryl ketimines using trichlorosilane as the reducing agent. The substituent on N4 of the piperazinyl backbone and the 2-carboxamide group both proved to have profound effects on the efficacy of the catalyst. The reductions of both N-aryl acyclic methyl ketimines...
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