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Asymmetric α-amination of aldehydes catalyzed by PS-diphenylprolinol silyl ethers: Remediation of catalyst deactivation for continuous flow operation

Polystyrene (PS)-supported diphenylprolinol silyl ethers have been developed as highly active catalysts for the enantioselective α-amination of aldehydes. Understanding the mechanism of catalyst deactivation has led to the development of reaction conditions notably extending catalyst life in repeated recycling (10 cycles; accumulated TON of 480) and has allowed the implementation of a continuous flow α-amination process (6?min residence time, 8?h operation)..

Asymmetric ?-amination of aldehydes catalyzed by PS-diphenylprolinol silyl ethers: Remediation of catalyst deactivation for continuous flow operation

X. Fan, S. Sayalero, M. A. Pericàs

Adv. Synth. Catal. 2012, 354, 2971-2976
DOI: Go to the journal

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