Journal
POLYMER JOURNAL
Volume 53, Issue 4, Pages 523-531Publisher
SPRINGERNATURE
DOI: 10.1038/s41428-020-00448-w
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Funding
- Leading Initiative for Excellent Young Researchers (LEADER)
- JSPS Bilateral Joint Research Project [JPJSBP 120208601]
- QST President's Strategic Grant Exploratory Research
- [19K05578]
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In this study, the reactivity of poly(methacrylated vanillin) (PMV) in Passerini three-component reaction (Passerini-3CR) was investigated, showing high conversion rates of aldehydes to alpha-acyloxy amides. Immobilizing PMV on cellulose fabric resulted in successful grafting of carboxylic acid and isocyanide components via Passerini-3CR, despite incomplete conversion of aldehydes.
In this work, poly(methacrylated vanillin) (PMV) was investigated for its reactivity in multicomponent reactions as a reactive polymer that can be sourced from lignin-based components. To achieve sustainable polymer chemistry, the PMV reactivity in a Passerini three-component reaction (Passerini-3CR) was investigated because the reactants in the Passerini-3CR can be abundantly sourced from biobased compounds. First, the Passerini-3CR of the PMV in solution phases revealed that the PMV pendant aldehydes can be converted into the corresponding alpha-acyloxy amides with >90% conversions under the optimized conditions. Taking advantage of this high reactivity of PMV, its immobilized cellulose fabric (Cell-g-PMV), a wood biomass-sourced organic hybrid, was subjected to the Passerini-3CR. Although the aldehydes were not completely converted, the PMV segments surrounding the fabric surfaces successfully reacted via the Passerini-3CR to engraft carboxylic acid and isocyanide components on the cellulose-based fabrics.
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