Abstract
AbstractSummary: Novel polymers with chiral 1,2‐diamine moiety were successfully synthesized by polycondensation of N‐Boc protected enantiopure 1,2‐diamine bearing two phenol groups (S,S)‐4, bisphenol derivatives, and dibromides, followed by deprotection of N‐Boc moiety. Hydrogenation of acetophenone was performed with use of polymeric catalyst system prepared from the polymer‐supported chiral 1,2‐diamine and RuCl2/(S)‐BINAP. The reaction proceeded smoothly even in 2‐propanol to give 1‐phenylethanol in quantitative yield with high level of enantioselectivity. Furthermore, various other aromatic ketones could be asymmetrically hydrogenated by the polymeric catalyst system.
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