An alkynylboronic ester cycloaddition route to functionalised aromatic boronic esters.
A series of functionalised aromatic boronic esters have been prepared via the regioselective cycloaddition of 2-pyrones with alkynylboronates.
Delaney
Patrick M
PM
Department of Chemistry, University of Sheffield, Brook Hill, Sheffield S3 7HF, UK.
Moore
Jane E
JE
Harrity
Joseph P A
JP