N. Navaneetham, N. Rajasekar, R. Kalyanasundaram
Apr 22, 1987
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Journal
Inorganica Chimica Acta
Abstract
New lanthanide complexes of 4-chloroquinoline-1-oxide (CQNO) and 5-chloroisoquinoline-2-oxide (CIQNO) were synthesized. CQNO gave two sets of complexes, one set soluble in acetone with the formulae {[Ln(CQNO)_8](ClO_4)_3}, where Ln=Nd to Yb, and {[La(CQNO)_{10}]}{(ClO_4)_3}, and the other insoluble in acetone with the formulae {[Ln(CQNO)_7]- (ClO_4)_3} where Ln=La, Nd and Gd only. CIQNO gave complexes of the general composition {[Ln-(CIQNO)_8](ClO_4)_3} where Ln =La and Nd and {[Ln(CIQNO)_7](ClO_4)_3} where Ln=Gd to Yb. The isolated complexes CQNO and CIQNO were characterized by elemental analysis, electrolytic conductance, infrared, proton NMR and electronic spectral data.