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The reactions of ethoxides and isopropoxides of aluminium and titanium with bis (acetoacetates) in various molar ratios have been carried out. In all the cases, the treatment in the molar ratio 1 : 0.5 and 1 : 1.0 liberated one and two moles of alcohol respectively. The isopropoxy groups could be fully replaced only in the case of aluminium, when the reactions was carried out in higher molar ratio (1 : 1.5). However, even with excess of the ligand, the replacement of the fourth molecule of alcohol in case of titanium could not be accomplished.

Coordination Polymers of Some Trivalent and Tetravalent Metals