Photocatalyzed alkoxycarbonylmethylation of pyridines with α-diazoacetates?

Organic Chemistry Frontiers Pub Date: 2023-01-24 DOI: 10.1039/D2QO01818G

Abstract

A photocatalyzed regioselective alkoxycarbonylmethylation of 2-aminopyridines with α-diazoacetates has been developed. This method provides a metal-free strategy to assemble 2-aryl-2-pyridylacetic esters via a direct pyridyl Csp2–H bond carbenoid insertion under mild conditions.

Graphical abstract: Photocatalyzed alkoxycarbonylmethylation of pyridines with α-diazoacetates
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