Established reprocessable polybenzoxazines with high thermomechanical properties incorporate boronic ester bond and transesterification exchange chemistry . The synthesis of the benzoxazine vitrimer crosslinked with boronic ester bond involves the use of toluene as solvent in a time-consuming three-pot strategy that includes a purification step. The synthesis of established benzoxazine vitrimers based on transesterification involves two distinct steps: esterification of a phenolic precursor using an acid, followed by the synthesis of benzoxazine using the esterified phenolic. This strategy has been applied to synthesise formulations involving the purification of the esterified precursor prior for use in benzoxazine synthesis , yielding moderate to high glass transition temperature (𝑇 𝑔 ) systems, with transesterification bond exchange catalysed by the benzoxazine tertiary amine. Other reprocessable polybenzoxazines featuring dynamic covalent bond exchanges incorporate dioxaborolane metathesis and transcarbamoylation , with low glass transition temperatures of 29°C and 55°C respectively, and formulations involving more than one-pot method; whilst, the former is synthesised by mixing a cardanol-based benzoxazine thermoset with 1,4-phenylenebisboronic acid and water at ambient temperature followed by treatment with magnesium sulphate, introducing boronic bond into the monomer, the latter involves reacting hexamethylene diisocyanate with crude benzoxazine monomer made from tyrosol, dodecylamine, and paraformaldehyde in the presence of dibutyltin dilaurate catalyst, producing a hybrid polybenzoxazine-polyurethane vitrimer system. Similarly, self-healability of polybenzoxazine main chain is achieved by mixing benzoxazine with phenyl boronic acid in chloroform prior to curing; this has been successfully applied in synthesising a low temperature system .