Research / 2022 / Article / Fig 3

Research Article

Click Modification for Polysaccharides via Novel Tunnel Transmission Phenomenon in Ionic Liquids

Figure 3

(a) Schematic diagram of the transmission of acylating reagents in RmimRCOO. (b) 1H-NMR spectra of acetic anhydride, EmimAc, and the mixture of acetic anhydride and EmimAc. (c) 13C-NMR spectra of acetic anhydride, EmimAc, and the mixture of acetic anhydride and EmimAc. (d) Comparison of FTIR spectra of EmimAc, acetyl chloride, acetic anhydride, acetic anhydride/EmimAc, entrance, and exit.