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    Synthesis and characterization of a new group of Exo-coordinating o2n2-donor macrocycles

    , Article Australian Journal of Chemistry ; Volume 69, Issue 3 , 2016 , Pages 273-278 ; 00049425 (ISSN) Ghanbari, B ; Safarkoopayeh, B ; Kia, R ; Raithby, P.R ; Sharif University of Technology
    CSIRO  2016
    Abstract
    The reaction of 15-18 membered benzodiazacrown ethers with salicylaldehyde afforded n-membered O2N2-donor macrocyclic ligands mounted with 1,3-diazacyclohexane subrings (1-4) in high yields. The products were characterized by FT-IR, 1H, 13C NMR spectroscopy, elemental analyses, and single crystal X-ray studies. The solid state structures revealed strong intramolecular hydrogen bonding between the pendant phenolic group and the tertiary nitrogen of the corresponding macroring