Synthesis, spectral, structural characterization and biological investigation of m-Xylylenediaminium-bis (p-toluenesulfonate) monohydrate

• Molecular structure of the compound was confirmed by single crystal X-ray diffraction technique.
• The compound showed good antimicrobial activity.
• The compound interacts with CT-DNA, through intercalatively.
• The compound possesses valuable antioxidant property against DPPH, OH and ABTS radicals.
• The complex showed significant cytotoxicity activity against MCF-7 cancer cell line.

Novel organic charge transfer complex, m-xylylenediaminium-bis (p-toluenesulfonate) monohydrate (XDPTS) have been synthesized and crystallized to the triclinic system with space group P-1 and the lattice parameters obtained are a = 9.9265(7) Å, b = 9.9676(6) Å, c = 13.4948(10) Å, α = 71.95(6)°, β = 77.02(6)°, γ = 76.851(5)°. The synthesized complex structure was confirmed by IR, 1H NMR and 13C NMR spectral analysis. Pharmacology activities of charge transfer complex were evaluated through antimicrobial, DNA binding/cleavage, antioxidant and cytotoxicity studies. The results reveal that the compound shows good antimicrobial activity against various antibacterial and antifungal species. The DNA interaction indicated that the compound could interact with DNA through intercalation, which is further confirmed by viscosity measurements. The compound should have weak to moderate capacity of scavenging with DPPH, Hydroxyl and ABTS radicals. The cytotoxicity has been evaluated by MTT assay method against MCF-7 cancer cell line.

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