Novel heterocyclic chitosan derivatives and their derived nanoparticles: Catalytic and antibacterial properties.

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ID: 87261
2020
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Ranked #12 of 200 articles by views in International journal of biological macromolecules

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Abstract
The metal-assisted nitrone-nitrile cycloaddition reaction is apply to empower chitosan chemistry. The ultrasonic irradiation has proven to efficiently accelerate the cycloaddition affording new heterocyclic (1,2,4-oxadiazoline) chitosan derivatives and avoiding ultrasonic degradation of the chitosan macromolecules. By varying the nitrone nature, both water- and toluene-soluble chitosan derivatives were successfully synthesized. Relying on the ionic gelation approach nanoparticles of heterocyclic chitosan derivatives were prepared. Water-soluble chitosan derivative demonstrated a high antibacterial activity coupled with low toxicity. The toxicity of the synthesized heterocyclic chitosan derivatives and their based nanoparticles are comparable with those of the starting chitosan, while their antibacterial activity is superior. Toluene-soluble derivatives are shown to be efficient homogeneous catalysts towards monoglyceride synthesis via the epoxide ring opening. They efficiently catalyze selective conversion of fatty acids and glycidol into corresponding monoglycerides allowing one to simplify significantly the procedure for separating the reaction product from the catalyst for its recovery and reusage.
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kritchenkov2020novelinternational Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Kritchenkov, Andreii S;Egorov, Anton R;Artemjev, Alexey A;Kritchenkov, Ilya S;Volkova, Olga V;Kiprushkina, Elena I;Zabodalova, Ludmila A;Suchkova, Elena P;Yagafarov, Niyaz Z;Tskhovrebov, Alexander G;Kurliuk, Aleh V;Shakola, Tatsiana V;Khrustalev, Victor N;
Journal International journal of biological macromolecules
Year 2020
DOI
S0141-8130(19)38769-0
URL
Keywords
polysaccharides chitosan antibacterial activity catalytic activity heterocycles cycloaddition

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