From: Synthesis of metal anthranilate complexes: catalytic and antipathogenic studies
Metal source | Complex number | Molecular Formula | Color of complex | % Yield | Color change on heating (°C) | λ max DMSO (nm) | Magnetic moment (B.M) | IR stretch (cm−1) | |
---|---|---|---|---|---|---|---|---|---|
NH: | C=O | ||||||||
ZnCl2 | 1 | [ZnL2] | Beige | 83 | 287 °C to light gray | 332.5 | 0 | 3297/3129 | 1600 |
Bi (NO3)3.5H2O | 2 | [BiL3]. H2O | Flax yellow | 67 | 279 °C to brown | 338.5 | 0 | 3305/3124 | 1614 |
AgNO3 | 3 | [Ag2L2] | Metallic gray | 89 | 187 °C to black | 326.0 | 0 | 3423/3322 | 1608 |
FeSO4.7H2O | 4 | [FeL2] | Lemon green | 78 | 269 °C to dark gray | 337.0 | 5.1 | 3307/3135 | 1535 |
CoCl2.6H2O | 5 | [CoL2] | Pink | 42 | 292 °C to brown | 339.0 | 4.6 | 3297/3129 | 1597 |
CuSO4. 5H2O | 6 | [CuL2] | Green | 77 | 280 °C to black | 339.5 | 1.3 | 3270/3120 | 1593 |
MnCl2. 4H2O | 7 | [MnL2] | Beige | 93 | 272 °C to yellowish | 329.0 | 5.9 | 3305/3139 | 1585 |
Al2(SO4)3. 18H2O | 8 | [AlL3].3H2O | Off white | 92 | 284 °C to brown | 339.0 | 0 | 3484/3378 | 1618 |
Ni (NO3)2.6H2O | 9 | [NiL2] | Baby blue | 78 | 290 °C to light brown | 337.0 | 1.31 | 3305/3124 | 1614 |
Cr (NO3)3.9H2O | 10 | [CrL2. 4H2O]. NO3 | Purple | 79 | 178 °C to green, | 340.0 | 3.5 | – | 1616 |
Anthranilic acid ligand (L) | – | – | – | – | – | 340.5 | – | 3322/3236 | 1662 |