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. 2020 Sep 1;5(36):23322–23333. doi: 10.1021/acsomega.0c03169

Table 4. Structure Character of the Soluble Compounds Formed from Furfuryl Alcohol.

no tR/min formula molecular mass core structure functional group DBE DBE/C (H-2O)/C
1 10.53 C4H6O4 118.03 chain hydroxy, carbonyl, carboxyl 2 0.5 –0.5
2 12.99 C5H8O3 116.05 chain carbonyl, carboxyl 2 0.4 0.4
3 13.45 C5H6O2 98.04 furanic hydroxy 3 0.6 0.4
4 15.46 C8H10O3 154.06 carbocyclic hydroxy, carbonyl 4 0.5 0.5
5 16.03 C10H12O4 196.07 carbocyclic hydroxy, carbonyl, carboxyl 5 0.5 0.4
6 16.53 C8H10O3 154.06 carbocyclic hydroxy, carbonyl 4 0.5 0.5
7 17.20 C10H12O4 196.07 carbocyclic hydroxy, carbonyl, carboxyl 5 0.5 0.4
8 18.01 C10H12O4 196.07 carbocyclic hydroxy, carbonyl, carboxyl 5 0.5 0.4
9 18.71 C9H14O3 170.09 carbocyclic hydroxy, carbonyl 3 0.33 0.89
10 19.40 C10H12O4 196.07 carbocyclic hydroxy, carbonyl 5 0.5 0.4
11 19.98 C10H10O3 178.06 carbocyclic hydroxy, carbonyl 6 0.6 0.4
12 21.12 C15H14O4 258.09 carbocyclic hydroxy, carbonyl 9 0.6 0.4
13 21.42 C11H12O3 192.08 carbocyclic hydroxy, carbonyl, carboxyl 6 0.55 0.55
14 22.87 C14H12O2 212.08 carbocyclic hydroxy, carbonyl 9 0.64 0.57
15 26.37 C10H10O3 178.06 carbocyclic hydroxy, carbonyl 6 0.6 0.4
16 27.29 C11H14O4 210.09 carbocyclic hydroxy, carbonyl 5 0.45 0.55
17 27.86 C14H16O3 232.11 carbocyclic hydroxy, carbonyl 7 0.5 0.71