Cationic iridium complexes with chiral phosphinooxazoline ligands are efficient catalysts for the enantioselective hydrogenation of olefins. The complexes are readily prepared, air-stable, and easy to handle. In contrast to chiral rhodium- and ruthenium-phosphine catalysts, they do not require the p
โฆ LIBER โฆ
Enantioselective Hydrogenation with Solid Catalysts.
โ Scribed by T. Mallat; A. Baiker
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 22 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0931-7597
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## Abstract Use of a typical rhodium precatalyst for hydroformylation results in the enantioselective hydrogenation of cyclic enones with up to 90% __ee__. Extensive screening of chiral ligands reveals the simple ligand Chiraphos as the best ligand, so far. The hydrogenation shows high chemoselecti
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