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Spiro[4,4]‐1,6‐nonadiene‐Based Phosphine–Oxazoline Ligands for Iridium‐Catalyzed Enantioselective Hydrogenation of Ketimines
Authors:Zhaobin Han  Zheng Wang Dr.  Xumu Zhang Prof. Dr.  Kuiling Ding Prof. Dr.
Affiliation:1. State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032 (P.R. China), Fax: (+86)?21‐6416‐6128;2. Department of Chemistry and Chemical Biology, The State University of New Jersey, Piscataway (USA)
Abstract:From imines to amines through catalysis by IrI complexes of a new type of P,N ligand (see scheme): This reaction affords the corresponding optically active amines with up to 98 % ee and has also been used with perfect stereoselectivity in the asymmetric synthesis of sertraline ( 1 ), an important antidepressant chiral drug.
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Keywords:asymmetric catalysis  hydrogenation  iridium  ketimines  P,N ligands
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