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This research is focused on a synthesis of copper-cellulose phosphates antimicrobial complexes. Vapor-phase phosphorylations of cellulose were achieved by exposing microcrystalline cellulose to phosphorus trichloride (PCl 3 ) vapors. The cellulose- O -dichlorophosphines (Cell- O -PCl 2 ) formed were hydrolyzed to cellulose- O -hydrogenphosphate (P(III)) (Cell- O -P(O)(H)(OH)), which, in turn, were converted into corresponding copper(II) complexes (Cell- O -P(O)(H)(OH)∙Cu 2+ ). The analysis of the complexes Cell- O -P(O)(H)(OH)∙Cu 2+ covered: scanning electron microscopy (SEM), attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR), atomic absorption spectrometry with flame excitation (FAAS), and bioactivity tests against representative Gram-negative bacteria ( Escherichia coli ) and Gram-positive bacteria ( Staphylococcus aureus ). The antimicrobial tests of synthesized Cell- O -P(O)(H)(OH)∙Cu 2+ revealed their potential applications as an antibacterial material.

antibiotics

Vapor Phosphorylation of Cellulose by Phosphorus Trichlo-Ride: Selective Phosphorylation of 6-Hydroxyl Function—The Synthesis of New Antimicrobial Cellulose 6-Phosphate(III)-Copper Complexes