Beilstein J. Org. Chem.2022,18, 1518–1523, doi:10.3762/bjoc.18.160
three novel aryl diphosphonate esters which were subsequently transformed to phosphonic acids through silylation and hydrolysis.
Keywords: arylphosphonicacids; cross-coupling reaction; phosphonate esters; transition-metal catalysis; Introduction
Phosphonates and phosphonic acids are a very
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Graphical Abstract
Scheme 1:
Scheme showing the transformation of the Br-substrates to phosphonate esters and then to phosphonic...