198 ChemInform Abstract The 12-membered macrocyclic triamine (III) is synthesized from coumarin (I) and the triamine (II). Reaction of methyl cinnamate (IV) with (II) gives the macrocycle (V), a homologue of some macrocyclic spermidine alkaloids. The 1:1 complexation constants of (III) with Cu2+, Zn2+, Ni2+ and Co2+ are determined.
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