Chemistry - A European Journal
Chemistry - A European Journal
5 years ago

Stereoselective and Stereospecific Reactions of Cobalt Sandwich Complexes: Synthesis of a New Class of Single Enantiomer Bulky Planar Chiral P−N and P−P Ligands

Stereoselective and Stereospecific Reactions of Cobalt Sandwich Complexes: Synthesis of a New Class of Single Enantiomer Bulky Planar Chiral P−N and P−P Ligands
Christopher J. Richards, Peter N. Horton, Simon J. Coles, Ross A. Arthurs
Planar chiral ligands based upon (η5-cyclopentadienyl)(η4-tetraphenylcyclobutadiene)cobalt(I) were readily synthesised as single stereoisomers. This chemistry exploited the capability of these compounds to undergo stereospecific α-substitution, together with the very high stereoselectivity observed for asymmetric ketone reduction and diastereomeric C−H metallation. The new bulky ligands complement related ferrocene-based ligands that have been applied extensively in asymmetric catalysis. More information can be found in the Full Paper by C. J. Richards, et al. (DOI: 10.1002/chem.201705113).

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/chem.201800364

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