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. 2024 Nov 8;25(22):11992. doi: 10.3390/ijms252211992

Figure 8.

Figure 8

Catalytic mechanism of metal oxide in the upgrading of furfural to MF. (a) Cleavage of the C-OH bond leading to the formation of MF. (b) Activation of aromatic ring resulting in the formation of MF. The numbers indicate the serial numbers of carbon atoms in the compound, while the blue box highlights the primary reaction site.