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Asymmetric transfer hydrogenation of ketimines using well-defined iron(II)-based precatalysts containing a PNNP ligand.

Mikhailine, Alexandre A; Maishan, Mazharul I; Morris, Robert H.
Org Lett; 14(17): 4638-41, 2012 Sep 07.
Artigo em Inglês | MEDLINE | ID: mdl-22924839
Well-defined iron(II)-based complexes containing PNNP ligands catalyze a highly enantioselective reduction of N-(diphenylphosphinoyl)- and N-(p-tolylsulphonyl)-ketimines. Under mild conditions and low catalyst loading, the ketimines are successfully reduced to the corresponding amines in enantiomeric excess ranging from 94 to 99%.
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