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derivative. Guaiacol can be synthesized by the dimethylation of catechol followed by selective mono-demethylation.
:C₆H₄(OCH₃)₂ + C₂H₅SNa -> C₆H₄(OCH₃)(ONa) + C₂H₅SCH₃

Uses and chemical reactions

Syringyl/guaiacyl ratio

Lignin, comprising

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