Abstract
A new type of chemiluminescence catalytic conversion in which the lanthanide(III) ion is a luminescent and highly efficient catalytically active center was found. Chemiluminescence (CL) is generated in the condensation reaction of aniline with butyraldehyde in DMF to form 3-ethyl-2-propylquinoline. The reaction is catalyzed by LnCl3·6H2O (Ln = Eu, Tb, and Ho). When EuCl3·6H2O and TbCl3·6H2O salts are used as catalysts, the CL emitters are the Eu3+* and Tb3+* excited ions. In the case of HoCl3·6H2O, the emitter is 3-ethyl-2-propylquinoline in the triplet-excited state.
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