Ni(II), Cu(II), Mn(II), and Fe(II) Metal Complexes Containing 1,3-Bis(diphenylphosphino)propane and Pyridine Derivative: Synthesis, Characterization, and Antimicrobial Activity

Table 1

Color, elemental analysis, and decomposition point of the mixed ligand complexes.

Complex	MF; MW	Color	Found (Calcd.%)
			C	H	N
[Ni(DPPP)(APY)(H2O)Cl2].H2O; 1	C32H36N2NiP2O2Cl2; 672.2	Pale brown	58.42; (57.17)	6.02; (5.39)	4.36; (4.16)
[Cu(DPPP)(APY)(H2O)Cl2]; 2	C32H34N2CuP2OCl2; 659.02	Light green	58.68; (58.31)	5.72; (5.19)	4.52; (4.24)
[Mn(DPPP)(APY)(H2O)Cl2]; 3	C32H34N2MnP2OCl2; 650.41	Dark brown	60.65; (59.08)	5.84; (5.26)	4.78; (4.30)
[Fe(DPPP)(APY)(H2O)Cl2].2H2O; 4	C32H38N2FeP2O3Cl2; 687.38	Light yellow	56.28; (55.91)	6.05; (5.57)	4.35; (4.07)