Research Article
Synthesis, Characterization, and Photophysical Studies of Some Novel Ruthenium(II) Polypyridine Complexes Derived from Benzothiazolyl hydrazones
Table 1
Physical and analytical data of ligands and their complexes.
| CC | Yield (%) | Colour | MP (°C) | Empirical formula | Elemental analysis found (Calcd.) (%) | C | H | N | S | Ru |
| 3a | 90 | Pale brown | 225 | C15H11N3OSClI | 40.59 | 2.44 | 9.43 | 7.18 | | (40.63 | 2.48 | 9.48 | 7.22) | | 3b | 90 | Yellow | 185 | C15H13N3O2S | 60.16 | 4.29 | 14.01 | 10.67 | | (60.20 | 4.34 | 14.04 | 10.70) | | 3c | 85 | Dirty green | 160 | C15H13N3O2S | 60.15 | 4.29 | 13.98 | 10.68 | | (60.20 | 4.34 | 14.04 | 10.70) | | 3d | 90 | Dirty yellow | 220 | C15H12N3OSCl | 56.72 | 3.75 | 13.19 | 10.05 | | (56.78 | 3.78 | 13.24 | 10.09) | | 3e | 90 | Pale yellow | 210 | C16H14N3OSCl | 57.97 | 4.19 | 12.61 | 9.62 | | (58.00 | 4.22 | 12.65 | 9.66) | | 4a | 90 | Dirty yellow | 224 | RuC35H26N7OCl3SI | 45.29 | 2.76 | 10.54 | 3.41 | 10.84 | (45.35 | 2.80 | 10.58 | 3.45 | 10.90) | 4b | 90 | Black | 270 | RuC35H28N7O2Cl2S | 53.64 | 3.54 | 12.49 | 4.02 | 12.86 | (53.70 | 3.58 | 12.53 | 4.09 | 12.91) | 4c | 85 | Brown | 210 | RuC35H28N7O2Cl2S | 53.64 | 3.53 | 12.49 | 4.05 | 12.87 | (53.70 | 3.58 | 12.53 | 4.09 | 12.91) | 4d | 90 | Dark brown | 310 | RuC35H27N7OCl3S | 52.46 | 3.32 | 12.20 | 3.95 | 12.58 | (52.50 | 3.37 | 12.25 | 4.00 | 12.62) | 5a | 85 | Brown | 225 | RuC39H26N7OSCl3I | 47.98 | 2.61 | 10.01 | 3.24 | 10.30 | (48.04 | 2.66 | 10.06 | 3.28 | 10.36) | 5d | 90 | Dark brown | 290 | RuC39H27N7OSCl3 | 55.12 | 3.12 | 11.50 | 3.74 | 11.86 | (55.18 | 3.18 | 11.55 | 3.77 | 11.91) | 5e | 90 | Brown | 215 | RuC40H29N7OSCl3I | 48.49 | 2.89 | 9.84 | 3.18 | 10.16 | (48.53 | 2.93 | 9.90 | 3.23 | 10.21) |
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CC: compound code.
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