Table 1: Analytical data for the complexes.

Compound No. Color Rfa Yield Analysis calc. (found) (%)b C (%) H (%) N (%) Ru(III)ClL1 1 Green 0.69 42 40.25 (40.56) 2.90 (3.09) 5.87 (6.09) Ru(III)ClL2 2 Green 0.70 40 42.77 (43.10) 3.56 (3.85) 5.54 (5.83) Ru(III)ClL3 3 Green 0.78 45 31.22 (31.48) 1.62 (1.78) 4.55 (4.79)

aRetarding factor; noted Rf (TLC), bbased on mol number of starting material diaminoethane