Excellent ligands in the Rh-catalyzed hydrogenation of olefins (ee > 95%) are the monophosphites 1 derived from BINOL. Thus, the notion that only chelating ligands lead to high enantioselectivities in these reaction no longer pertains.
CITATION STYLE
Reetz, M. T., & Mehler, G. (2000). Highly enantioselective Rh-catalyzed hydrogenation reactions based on chiral monophosphite ligands. Angewandte Chemie - International Edition, 39(21), 3889–3890. https://doi.org/10.1002/1521-3773(20001103)39:21<3889::AID-ANIE3889>3.0.CO;2-T
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