2D and 3D supramolecular structures of trans-and cis-octahedral coordination compounds of ethyl-5-methyl-4-imidazolecarboxylate with transition metal ions
Por:
Barrera-Guzmán V.A., Ramírez-Trejo R., Rodríguez-Hernández E.O., Barba-Behrens N.
Publicada:
1 ene 2012
Categoría:
Chemistry (miscellaneous)
Resumen:
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(H 2O) 2](NO 3) 2 1, trans-[Ni(emizco) 2(H 2O) 2](NO 3) 2 2, trans-[Cd(emizco) 2(H 2O) 2](NO 3) 2 (3) and cis-[Cd(emizco) 2Br 2] (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 p stacking and halide-hydrogen bonding. © 2012, Sociedad Química de México.
Filiaciones:
Barrera-Guzmán V.A.:
Departamento de Química Inorgánica, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, México, D.F. 04510, Mexico
Ramírez-Trejo R.:
Departamento de Química Inorgánica, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, México, D.F. 04510, Mexico
Rodríguez-Hernández E.O.:
Departamento de Química Inorgánica, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, México, D.F. 04510, Mexico
Barba-Behrens N.:
Departamento de Química Inorgánica, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, México, D.F. 04510, Mexico
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