Abstract
Reported herein is the efficient and atroposelective construction of two categories of C-N atropisomers via rhodium(III)-catalyzed C-H activation of sulfoxonium ylides en route to [4+2] annulation with sterically hindered, electron-rich alkynes. This reaction proceeds with high regio- and enantioselectivity under redox-neutral conditions via a double-substrate activation strategy, providing a novel entry to C-N axially chiral 4-functionalized 1-naphthols.
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