The formation of a Schiff base intermediate: a nickel(II) complex of an asymmetric tripodal ligand

Treatment of Ni(ClO4)(2) . 6H(2)O with the condensing product of 2-formylpy ridine N-oxide and 1,5-diamino-3-(8-methylquinolyl)azapentane (dmqa) has re sulted in the formation of an asymmetric tripodal nickel(II) complex, [C28H 32N6O3Ni] (ClO4)(2) . H2O, which has been crystallographically characterize d. Crystal data: triclinic, space group p (1) over bar, a = 10.384(2), b = 10.911(3), c = 16.6101(11) Angstrom, alpha = 95.62(2), beta = 105.04(2), ga mma = 112.954(11)degrees, D-c = 1.581 g/cm(3), Z = 2 and V = 1631.0(6) Angs trom(3). A quinoline moiety is first introduced into an arm in the complex of a tripodal ligand in which an ethylcarbinoxyamine group, the intermediat e of Schiff bases, exists.