Abstract
A transition metal‐free synthesis of enantioenriched biaryls from aryllithium species has been developed. This approach relies on atropoenantioselective nucleophilic aromatic substitution (SNAr) reaction of unprotected naphthoic acids. The ability of a diverse set of chiral ligands to mediate this transformation has been investigated. 1,2‐diether ligands outperform their diamine counterparts and the best enantiocontrol was obtained with readily accessible enantiopure trans‐1,2‐dimethoxycyclohexane. This SNAr reaction offers an efficient and rapid access to enantioenriched binaphthalenes, phenylnaphthalene, and phenanthrylnaphthalenes (up to 94:6 er).
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