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Journal of the Mexican Chemical Society
versión impresa ISSN 1870-249X
Resumen
BARRERA-GUZMAN, Víctor Adán; RAMIREZ-TREJO, Raúl; RODRIGUEZ-HERNANDEZ, Edgar Omar y BARBA-BEHRENS, Noráh. 2D and 3D Supramolecular Structures of trans- and cis-Octahedral Coordination Compounds of Ethyl-5-methyl-4-imidazolecarboxylate with Transition Metal Ions. J. Mex. Chem. Soc [online]. 2012, vol.56, n.1, pp.51-57. ISSN 1870-249X.
Ethyl-5-methyl-4-imidazolecarboxylate (emizco) is an important intermediate in the synthesis of pharmacological active compounds. In this work, there were synthetized and characterized the following coordination compounds with emizco: trans-[Co(emizco)2(H2O)2](NO3)2 1, trans-[Ni(emizco)2(H2O)2](NO3)2 2, trans-[Cd(emizco)2(H2O)2](NO3)2 (3) and cis-[Cd(emizco)2Br2] (4). 2D or 3D supramolecular arrangements were stabilized. All nitrate trans octahedral compounds stabilized a 3D supramolecular arrangement via hydrogen bonding, throughout the nitrate anions, the ligand and the coordinated water molecules; the cis-octahedral halide complex formed a 2D pleated sheet arrangement, by intermolecular π stacking and halide-hydrogen bonding.
Palabras llave : Emizco, cobalt(II); nickel(II); cadmium(II); coordination compounds; supramoleular arrangements.