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Nickel-catalyzed cross-electrophile coupling of aryl bromides and cyclic secondary alkyl bromides with spiro-bidentate-pyox ligands†
Nanxing Gao,Yanshun Li,Guorui Cao,Dawei Teng
New Journal of Chemistry Pub Date : 08/04/2021 00:00:00 , DOI:10.1039/D1NJ02677A
Abstract

The cross-electrophile coupling of aryl bromides and cyclic secondary alkyl bromides catalyzed by nickel/spiro-bidentate-pyox ligands with lithium chloride as the additive for the Csp2–Csp3 bond formation was reported. The reaction could tolerate functional groups such as sulfonamide, ester, aldehyde, ketone, protected indolyl, tert-butoxycarbonyl, aryl nitriles and aryl chloride. Various aryl-cyclic secondary alkyl Csp2–Csp3 bond products were synthesized under optimal reaction conditions (19 examples).

Graphical abstract: Nickel-catalyzed cross-electrophile coupling of aryl bromides and cyclic secondary alkyl bromides with spiro-bidentate-pyox ligands
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