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Aqueous reductive amination using a dendritic metal catalyst in a dialysis bag.

ABSTRACT: Water-soluble dendritic iridium catalysts were synthesized by attaching a reactive metal complex to DAB-Am dendrimers via an adapted asymmetric bipyridine ligand. These dendritic catalysts were applied in the aqueous reductive amination of valine while contained in a dialysis bag. Comparable conversions were observed as for the noncompartmentalized counterparts, albeit with somewhat longer reaction times. These results clearly show that the encapsulated catalyst system is suitable to successfully drive a complex reaction mixture with various equilibrium reactions to completion.

SUBMITTER: Willemsen JS 

PROVIDER: S-EPMC3678615 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Aqueous reductive amination using a dendritic metal catalyst in a dialysis bag.

Willemsen Jorgen S JS   van Hest Jan C M JC   Rutjes Floris P J T FP  

Beilstein journal of organic chemistry 20130517

Water-soluble dendritic iridium catalysts were synthesized by attaching a reactive metal complex to DAB-Am dendrimers via an adapted asymmetric bipyridine ligand. These dendritic catalysts were applied in the aqueous reductive amination of valine while contained in a dialysis bag. Comparable conversions were observed as for the noncompartmentalized counterparts, albeit with somewhat longer reaction times. These results clearly show that the encapsulated catalyst system is suitable to successfull  ...[more]

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