Synfacts highlights a supported catalytic process developed at ICIQ

13th febrero 2013 – The paper highlighted by Synfacts for its important insights, and authored by Miquel A. Pericàs research group, deals with the first enantioselective α-amination of aldehydes catalysed by a supported prolinol TBS ether.

The authors investigate the mechanism of the catalyst deactivation and develop a strategy to prevent it. They optimise the reaction conditions to achieve repeated recycling and reuse of the catalyst.

The catalyst is then used in the continuous-flow-α-amination of aldehydes to yield enantiopure α-hydrazino alcohols with high conversions in very short residence time.

Asymmetric α-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

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