Abstract

Catalytic asymmetric organic transformations performed in aqueous media with immobilized chiral palladium and rhodium complexes are reviewed. Amphiphilic polystyrene-poly(ethylene glycol) graft co-polymer (PS-PEG) resin-supported MOP, boxax, BINAP, and an imidazoindole phosphine ligands were designed and prepared with a view to use them in asymmetric catalysis under aqueous and heterogeneous conditions. Several carbon-hydrogen, carbon-carbon, carbon-nitrogen, and carbon-oxygen bond forming reactions were achieved in water with high stereoselectivity and recyclability to meet the green chemical requirements.

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