Department of Materials Engineering, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan.
Chem Commun (Camb). 2015 Mar 14;51(21):4380-2. doi: 10.1039/c5cc00258c.
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 of chiral dihydroquinazoline was used as a chiral NHC ligand.
手性双膦配体桥联双核铱配合物催化喹唑啉盐的不对称氢化反应，高产率、高对映选择性地得到四氢喹唑啉和 3,4-二氢喹唑啉。手性二氢喹唑啉的衍生物被用作手性 NHC 配体。
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