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Chiral benzene backbone-based sulfoxide-olefin ligands for highly enantioselective Rh-catalyzed addition of arylboronic acids to N-tosylarylimines†
Feng Xue,Qibin Liu,Yong Zhu,Yunfei Qing,Boshun Wan
RSC Advances Pub Date : 08/14/2019 00:00:00 , DOI:10.1039/C9RA04836G
Abstract

An efficient Rh-catalyzed addition of arylboronic acids to N-tosylarylimines has been developed with chiral benzene backbone-based sulfoxide-olefin ligands, where 2-methoxy-1-naphthyl sulfinyl functionalized olefin ligands have shown to be more effective. The versatile method tolerates a wide range of functional groups and shows broad scope without regard to electronic or steric substitution pattern, allowing access to a broad range of chiral diarylmethylamines in high yields (up to 99%) with excellent enantioselectivities (up to 99% ee).

Graphical abstract: Chiral benzene backbone-based sulfoxide-olefin ligands for highly enantioselective Rh-catalyzed addition of arylboronic acids to N-tosylarylimines
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