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Synthetic route for N-phthaloyl acylated chitosan and crosslinked N-phthaloyl acylated chitosan.
Reagents and conditions: (1) chitosan; (2) phthalic anhydride, DMF/water, 120 °C, 8 h; (3) dodecanoyl chloride, DMF/pyridine, 6 h; (4) suberoyl chloride, DMF/pyridine, 6 h.
