Keywords
alkylation
catalysis
cyclopentadienyl
N-heterocyclic carbene
nickel hydride complexes
Abstract
A new class of thermally activated nickel(ii) hydride precatalysts, (NHC)Ni(H)Cp, was employed in the C2-selective alkylation of furan derivatives with olefins. These well-defined complexes operated without external reducing agents such as sodium formate, thereby avoiding stoichiometric by-products. The use of optimal IMes-ligated complex afforded various alkylated furans in high to excellent yields with complete regioselectivity, broad substrate scope, and operational simplicity, representing a practical and sustainable alternative for biomass-derived furan functionalization.
Funders
Russian Science Foundation
24-43-00081
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