The reaction was followed by acquiring 1D NMR experiments at 15-min intervals over 24 h. All 1D NMR experiments were performed using a Bruker Advance I 500-MHz spectrometer with a 5-mm PATXI 1H/D-13C/15N Z-GRD probe at 293 K. If you liked this article therefore you would like to be given more info regarding sialic acid powder factory nicely visit our web sit...