Research Article
Metal Complexes of Macrocyclic Schiff-Base Ligand: Preparation, Characterisation, and Biological Activity
Table 1
Colours, yields, elemental analyses, and molar conductance values.
| | Compound | Colour | Yield (%) | m.p. | Found (calcd.) (%) | (cm2Ω−1mol−1) | | C | H | N | M | Cl |
| | Na4L | Pale yellow | 47 | 178 | 60.4 (61.6) | 4.52 (4.9) | 17.7 (18.4) | — | — | | | (L)Cl4 | Brown | 44 | 285 | 46.6 (47.4) | 3.4 (3.7) | 13.6 (13.8) | 17.6 (18.1) | 10.7 (11.7) | 294.01 | | (L)Cl4 | Red-brown | 50 | 320 | 46.2 (46.9) | 3.4 (3.6) | 13.4 (13.7) | 18.1 (19.2) | 10.9 (11.5) | 295.58 | | (L)Cl4 | Green | 46 | 305 | 46.36 (46.9) | 3.33 (3.6) | 13.39 (13.7) | 18.14 (19.1) | 10.88 (11.5) | 292.71 | | (L)Cl4 | Green | 42 | 270 | 45.9 (46.2) | 3.3 (3.6) | 13.2 (13.5) | 19.8 (20.4) | 10.9 (10.3) | 291.08 | | (L)Cl4 | Yellow | 42 | 265 | 44.86 (45.8) | 3.4 (3.5) | 13.2 (13.4) | 19.9 (20.8) | 10.1 (9.3) | 297.14 |
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