Novel methylene bridged ethylenediamine-type ligands: synthesis and spectral characterization
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The synthesis of two new organic compounds, diisobutyl- and diisopentyl (S,S)-alpha(1),alpha(3)-bis(cyclohexylmethyl-1,3-imidazolidinediacetate is reported herein. The one-pot procedure was realized by the addition of the reducing agent and carbonyl compound into a methanolic solution of the parent compounds (isobutyl and isopentyl esters of (S,S)-alpha,alpha '-(1,2-ethanediyldiimino)bis[cyclohexanepropanoic acid] in appropriate stoichiometric ratios. The compounds were fully characterized by infrared, ESI-MS, 1D (H-1 and C-13) and 2D (COSY, HSQC and HMBC) NMR spectroscopy and elemental analysis. The spectral data confirmed the presence of the -CH2- group introduced between the nitrogen atoms of the ethylenediamine moiety, revealing a neutral form of the potential bidentate ligand.
Ključne reči:cyclohexyl derivatives / ethylenediamine / amine ligands / potential drugs
Izvor:Journal of the Serbian Chemical Society, 2014, 79, 10, 1199-1204
- Serbian Chemical Soc, Belgrade