Air and moisture stable coordination compounds of some first transition metals such as Cr (III), Fe (II), Co(II), Ni(II) and Cu(II) with newly designed tri and tetra-dentate imine ligands ( bsap, npap, bsisnph, npisnph) were synthesized. Tridentate imine ligands (bsap, npap) were synthesized by reacting 5-bromosalicyaldehyde (bs) or 2-hydroxy-1-napthaldehyde (np) with 2-aminopyridine (ap), whereas tetra-dentate imine ligands (bsisnph, npisnph) were ...
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