Iron catalysts with unsymmetrical PNN'P ligands
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United States of America Patent
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Mar 21, 2017
Grant Date -
Jun 4, 2015
app pub date -
May 27, 2013
filing date -
May 25, 2012
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Abstract
The present invention relates to catalytic materials for hydrogenation or asymmetric hydrogenation. In particular, the invention relates to iron (II) complexes containing unsymmetrical tetradentate diphosphine (PNN′P) ligands with two different nitrogen donor groups useful for catalytic transfer hydrogenation or asymmetric transfer hydrogenation of ketones, aldehydes and imines.
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