Novel Cationic Esters derived from Cellulose and Dextran

Novel Cationic Esters derived from Cellulose and Dextran

Synthesis, Structure Analysis and Properties

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The synthesis of novel water-soluble cationic amino esters based on cellulose and dextran under homogeneous conditions is presented in this work. Products are synthesized via the ring-opening reaction of N-methyl-2-pyrrolidone in the presence of p-toluenesulfonyl chloride: cellulose-4-[N-methylammonium]butyrate chloride, hydroxyethyl cellulose-4-[N-methylammonium]butyrate chloride and dextran-4-[N-methylammonium]butyrate chloride. Cellulose-4-[N,N,N-trimethylammonium]butyrate chloride is obtained by conversion of cellulose with (3-carboxypropyl)trimethyl ammonium chloride activated with N,N'-c...