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. 2024 Nov 14;12(47):17210–17221. doi: 10.1021/acssuschemeng.4c06206

Figure 6.

Figure 6

1H NMR of hydrogenated oil. 1H NMR of the monomeric oil obtained after hydrogenolysis of lignin (Klason, FA, boron) and sawdust is shown. The aromatic region (pink), a middle region where hydrogens neighboring oxygen centers appear (O–CHn region) (green), and aliphatic region (blue) are highlighted. The diagnostic methoxy peak (3.9 ppm) belonging to propyl guaiacol and the methyl peak attributed to methylated propyl guaiacol in FA lignin oil (2.2 ppm) are labeled. White pine sawdust was used for this analysis.