By using the iridium complex of a phosphine-oxazoline ligand with an axis-unfixed biphenyl backbone, a highly enantioselective hydrogenation of the CC bond of exocyclic α,β-unsaturated carbonyl compounds to afford α-chiral cyclic ketones, lactones and lactams was developed.
通过使用膦-
恶唑啉
配体的
铱配合物和未固定轴
联苯骨架,开发了环外α,β-不饱和羰基化合物的CC键的高度对映选择性
氢化,从而提供了α-手性环
酮,内
酯和内
酰胺。