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Four series of 1-(pyridyl)-3-(alkyloxyphenyl)propane-1,3-dione type ligands, named L2N1, L2N2, L4N1 and L4N2, have been prepared and their thermal behaviour studied. These compounds have been classified on the basis of the position of the pyridinic nitrogen atom (2- or 4-position, 2N or 4N) and the number of alkyl chains at the phenyl substituent (one or two). In each family the alkyl chains are increased...
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