Asymmetric hydrogenation of quinazolinium salts catalysed by halide-bridged dinuclear iridium complexes bearing chiral diphosphine ligands
作者： Yusuke Kita , Kosuke Higashida , Kenta Yamaji , Atsuhiro Iimuro , Kazushi Mashima
DOI: 10.1039/C5CC00258C
关键词: Polymer chemistry 、 Stereochemistry 、 Asymmetric hydrogenation 、 Halide 、 Iridium 、 Chemistry 、 Ligand 、 Derivative (chemistry)
摘要: Asymmetric hydrogenation of quinazolinium salts was catalysed by halogen-bridged dinuclear iridium complexes bearing chiral diphosphine ligands, yielding tetrahydroquinazoline and 3,4-dihydroquinazoline with high enantioselectivity. A derivative dihydroquinazoline used as a NHC ligand.
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