The majority of the published bio-based benzoxazine research has focused almost exclusively on different phenolic and amine compounds, while the aldehyde portion of the oxazine ring remains the same.
Three isomers of benzoxazine monomers based on m-alkoxyphenol and 4,4′-methylenedianiline were synthesized and successfully isolated by column chromatography.
Correction for ‘A truly bio-based benzoxazine derived from three natural reactants obtained under environmentally friendly conditions and its polymer properties’ by Irlaine Machado et al., Green Chem., 2021, 23, 4051–4064, DOI: 10.1039/D1GC00951F.
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