Extended Data Figure 7: Additional NMR spectra for H/D exchange between furan-2-carboxylate and deuterated acetate in the presence of Cs2CO3.
From: Carbon dioxide utilization via carbonate-promoted C–H carboxylation
a, 13C NMR (75 MHz) and b, 2H NMR (92 MHz) in D2O of the crude product mixture after the reaction of a 1:1 mixture of caesium furan-2-carboxylate and CD3CO2Cs with 0.55 equivalents Cs2CO3 at 200 °C under 2 bar N2 for 1 h.
