Bis(1,1,1,3,3,3-hexafluoropropan-2-yl) [1,1′-biphenyl]-4,4′-dicarboxylate

The oxidative esterification of 4,4′-Biphenyldicarboxaldehyde with hexafluoroisopropanol is reported. The methodology, making a novel hexafluoroisopropyl ester uses a green, recyclable oxoammonium salt along with easily obtained sodium persulfate.