Developing chiral phosphorus ligands for asymmetric hydrogenations
PURE AND APPLIED CHEMISTRY（2010）
Abstract
Chiral rigid and electron-donating phosphocyclic phosphine ligands and modular atropisomeric biaryl phosphine ligands were designed and synthesized. The performance of these chiral ligands in the asymmetric hydrogenations of prochiral dehydroamino acid derivatives, enamides, imines, keto esters, and ketones has been demonstrated to be excellent.
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Key words
asymmetric hydrogenation,atropisomerism,chiral enantioselectivity,phosphines,phosphocyclicity
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