Mixedآ catechol- آ salicyladiminenate derivatives of antimony
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(III) and tin (IV) of the general formula M(cate)L"]X, [where:M= Sb, X= آ 0; آ M=Sn, آ X= آ Cl; آ cate=catechol; آ n=l, آ L=aniline, آ n=2, آ L=mآ bromo-aniline, n=3, L=p-bromoaniline] were prepared by the reaction of equimolar amount of [(cate)MCln], [where n=l آ or 2] with Nآ arylsalicylaldimines HOC6H4CH=NC6Hs (HL1آ , HOC6H4CH= NC6H4
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(HL1
and p-HOC6H4CH = NC6 Br (HL3)Ø¢ in methanol as a solvent.
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These new derivatives were characterised by elemental analysis and spectroscopic methods [(I.R), (U.V-Vis) and ctH, 13C NMR for HL2آ ] along with conductivity and melting point measurements.آ آ These studies آ revealed آ that آ the آ geometry about آ Sb آ (ill) آ and آ Sn آ (IV) is
tetrahedral.