A new class of readily available and conformationally rigid phosphino-oxazoline ligands for asymmetric catalysis |
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Authors: | Duan Liu |
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Affiliation: | Department of Chemistry, The Pennsylvania State University, University Park, PA 16802, USA |
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Abstract: | A new class of conformationally rigid phosphino-oxazoline ligands 3 were synthesized via an efficient ortho-substitution of phenyl glycinol as the key step. Divergent synthetic routes for easy ligand modulation, as well as a procedure suitable for scale-up synthesis, were established. The catalytic potential of ligands 3 has been demonstrated in the highly enantioselective Ir-catalyzed hydrogenation of alkenes and Pd-catalyzed allylic substitution and intermolecular Heck reactions. |
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Keywords: | Ligand Catalysis Enantioselectivity |
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