AI Article Synopsis
- A water-soluble ligand was created by adding phosphonic acid groups to specific positions on the aromatic rings of N,N'-dimethyl-1,2-diphenylethane-1,2-diamine.
- Preliminary tests on the iridium complex of this ligand showed that it performed well under biphasic conditions, which means it can work in two different phases (like oil and water).
- This biphasic system exhibited higher reaction rates for the asymmetric hydrogenation of ketones compared to traditional homogeneous systems.
Article Abstract
A water-soluble version of N,N'-dimethyl-1,2-diphenylethane-1,2-diamine was prepared by introduction of phosphonic acid moieties on the para position of the aromatic rings. Preliminary investigation of the catalytic properties of the iridium complex of this ligand under biphasic conditions showed that this system compared well with the homogeneous counterpart for the asymmetric hydrogenation of ketones but with noticeably higher reaction rates for the biphasic system.
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| http://dx.doi.org/10.1021/jo020506v | DOI Listing |
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