Synthesis, Characterization, Antioxidant, and Antibacterial Studies of Some Metal(II) Complexes of Tetradentate Schiff Base Ligand: (4E)-4-[(2-<svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-2.8905pt" id="M1" height="15.1511pt" version="1.1" viewBox="-0.0657574 -12.2606 6.33228 15.1511" width="6.33228pt"><g transform="matrix(.017,0,0,-0.017,0,0)"><path id="g50-124" d="M300 -169V-136C225 -126 216 -88 216 -42C216 19 230 84 230 152C230 207 206 255 147 268V272C206 286 230 333 230 388C230 453 216 523 216 586C216 630 225 667 300 677V710C239 710 151 696 151 579C152 514 160 438 160 373C160 338 157 293 68 287V253C157 247 160 202 160 168C159 106 151 32 151 -41C151 -157 239 -169 300 -169ZM181 710H180H181ZM181 -186H180H181Z"/></g></svg>(E)-[1-(2,4-Dihydroxyphenyl)ethylidene]amino<svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-2.8905pt" id="M2" height="15.1511pt" version="1.1" viewBox="-0.0657574 -12.2606 6.33228 15.1511" width="6.33228pt"><g transform="matrix(.017,0,0,-0.017,0,0)"><path id="g50-126" d="M292 253V287C203 293 200 339 200 376C201 435 209 507 209 582C209 697 123 710 60 710V677C133 667 144 631 144 586C144 523 130 452 130 388C130 334 154 286 214 272V268C154 254 130 206 130 152C130 89 144 17 144 -45C144 -89 133 -126 60 -136V-169C121 -169 209 -154 209 -42C208 33 200 106 200 164C200 201 203 247 292 253Z"/></g></svg>ethyl)imino]pentan-2-one

<div>Electronic absorption spectra of H<sub>2</sub>LL, Cu(II), and Ni(II) complexes in DMF.</div>

Bioinorganic Chemistry and Applications

fig3

Figure 3

Figure 3: Synthesis, Characterization, Antioxidant, and Antibacterial Studies of Some Metal(II) Complexes of Tetradentate Schiff Base Ligand: (4E)-4-[(2-<svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-2.8905pt" id="M1" height="15.1511pt" version="1.1" viewBox="-0.0657574 -12.2606 6.33228 15.1511" width="6.33228pt"><g transform="matrix(.017,0,0,-0.017,0,0)"><path id="g50-124" d="M300 -169V-136C225 -126 216 -88 216 -42C216 19 230 84 230 152C230 207 206 255 147 268V272C206 286 230 333 230 388C230 453 216 523 216 586C216 630 225 667 300 677V710C239 710 151 696 151 579C152 514 160 438 160 373C160 338 157 293 68 287V253C157 247 160 202 160 168C159 106 151 32 151 -41C151 -157 239 -169 300 -169ZM181 710H180H181ZM181 -186H180H181Z"/></g></svg>(E)-[1-(2,4-Dihydroxyphenyl)ethylidene]amino<svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-2.8905pt" id="M2" height="15.1511pt" version="1.1" viewBox="-0.0657574 -12.2606 6.33228 15.1511" width="6.33228pt"><g transform="matrix(.017,0,0,-0.017,0,0)"><path id="g50-126" d="M292 253V287C203 293 200 339 200 376C201 435 209 507 209 582C209 697 123 710 60 710V677C133 667 144 631 144 586C144 523 130 452 130 388C130 334 154 286 214 272V268C154 254 130 206 130 152C130 89 144 17 144 -45C144 -89 133 -126 60 -136V-169C121 -169 209 -154 209 -42C208 33 200 106 200 164C200 201 203 247 292 253Z"/></g></svg>ethyl)imino]pentan-2-one 

Figure 3 | Synthesis, Characterization, Antioxidant, and Antibacterial Studies of Some Metal(II) Complexes of Tetradentate Schiff Base Ligand: (4E)-4-[(2-(E)-[1-(2,4-Dihydroxyphenyl)ethylidene]aminoethyl)imino]pentan-2-one 