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<b>A convenient and efficient one-step method for the synthesis of dicompartmental ligands with hexa- and tetradentate coordination sites</b>


Hamid Golchoubian
Hamid Reza Mardani

Abstract

A convenient and more efficient method for the preparation of 1,6-bis(2-pyridyl)-2,5-bis(2-hydroxy-3-formyl-5-methyl benzyl)-2,5-diazahexane, L1H2 and 1,7-bis(2-pyridyl)-2,6-bis(2-hydroxy-3-formyl-5-methyl benzyl)-2,6-diazaheptane, L2H2 are described. The ligands were prepared by reaction of two moles of 3-(chloromethyl)-2-hydroxy-5-methyl benzaldehyde with a mole of N,N'-bis(2-pyridyl)dopamine in THF at ambient conditions in high yield (75-80%).


KEY WORDS: Dicompartmental ligand, Synthesis, Phenol-based ligand, Acyclic ligand


Bull. Chem. Soc. Ethiop. 2010, 24(1), 151-155.


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eISSN: 1726-801X
print ISSN: 1011-3924