Highly Efficient Catalyst Systems Using Iron Complexes with a Tetradentate PNNP Ligand for the Asymmetric Hydrogenation of Polar Bonds | Zendy

SuiSeng Christine | Zendy; Freutel Friederike | Zendy; Lough Alan J. | Zendy; Morris Robert H. | Zendy

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Highly Efficient Catalyst Systems Using Iron Complexes with a Tetradentate PNNP Ligand for the Asymmetric Hydrogenation of Polar Bonds

Author(s) -

SuiSeng Christine,

Freutel Friederike,

Lough Alan J.,

Morris Robert H.

Publication year - 2008

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200705115

Subject(s) - ruthenium , transfer hydrogenation , catalysis , ligand (biochemistry) , chemistry , polar , combinatorial chemistry , asymmetric hydrogenation , polymer chemistry , organic chemistry , enantioselective synthesis , physics , receptor , biochemistry , astronomy

Iron competes with pricey ruthenium : The first catalyst systems using iron complexes for asymmetric H 2 hydrogenation at 50 °C and asymmetric transfer hydrogenation at room temperature has been discovered. The transfer hydrogenation activity is similar to that of the best ruthenium catalyst. Surprisingly, the precatalysts have a tetradentate diiminodiphosphine ligand which has no NH functionality.

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