Synthesis, characterization and catecholase biomimetic activity of novel cobalt(II), copper(II), and iron(II) complexes bearing phenylene-bisbenzimidazole ligand

Autor: Oswaldo Larreal, Juan Chirinos, Jeannette Zárraga, Teresa González, Ángel Morillo, Mayamarú Guerra, Darmenia Ibarra, Ligia Llovera

Publikováno v: Polyhedron, Volume 203, 2021.
Repositorio Institucional UTB
Universidad Tecnológica de Bolívar
instacron:Universidad Tecnológica de Bolívar

Transition metal complexes of Co(II), Cu(II), and Fe(II) bearing a rigid symmetrical 2,2′-(1,2-phenylene)bis(1H-benzimidazole) ligand, PhBIm2, were synthesized and fully characterized by ESI-MS, FT-IR, 1H NMR (for paramagnetic species), UV–Vis sp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07692fdd32e3be70f535c74a45c757d6

Ethylene polymerization using metallocenes supported on MgCl2/SiCl4−n (n-C6H13O)n

Autor: Darmenia Ibarra, Alvaro Parada, Elisa Passaglia, Tamara Rajmankina, Ángel Morillo, José Arévalo

Publikováno v: Designed monomers and polymers (Online) 10 (2007): 507–516.
info:cnr-pdr/source/autori:Angel Morillo, Alvaro Parada, Darmenia Ibarra, Elisa Passaglia, Josè Arévalo, Tamara Rajmankina/titolo:Ethylene polymerization using metallocenes supported on MgCl2%2FSiCl4-n(n-C6H13O)n/doi:/rivista:Designed monomers and polymers (Online)/anno:2007/pagina_da:507/pagina_a:516/intervallo_pagine:507–516/volume:10

Metallocene complexes Cp2TiCl2, Cp2ZrCl2, Cp2Zr(N n Bu2)2, Cp2Ti(? 1-OC(O)C6H5)2 and Cp2Zr(? 1-OC(O)C6H5)2 were supported on MgCl2/SiCl4-n (n-C6H13O) n carrier and used for ethylene polymerization. The supported complexes result in highly active cata

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4cd1db167d8d9b10e8072e7b85aaa08e
https://doi.org/10.1163/156855507782401187

Synthesis and catalytic behavior in ethene polymerization of half-sandwich amido complexes activated with MAO

Autor: Juan Chirinos, Darmenia Ibarra, Ángel Morillo, Tamara Rajmankina, José Arévalo, Alvaro Parada

Publikováno v: Macromolecular Chemistry and Physics. 203:1501-1505

The half-sandwich complexes, [η 1 :η 5 -C 9 H 6 - (CH 2 ) 2 NEt]Ti(NEt 2 ) 2 and [η 1 :η 5 -C 13 H 8 (CH 2 ) 2 NEt]Ti(NEt 2 ) 2 , were synthesized and characterized by spectroscopy techniques. These compounds were activated by methylaluminoxane (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0b669db71bbdecfdfb70df8a9294c6dc
https://doi.org/10.1002/1521-3935(200207)203:10/11<1501::aid-macp1501>3.0.co

Ethene Polymerisation with Titanium Half-Sandwich Amido-Complexes

Autor: Darmenia Ibarra, Ángel Morillo, Alvaro Parada, José Arévalo, Juan Chirinos, Tamara Rajmankina

Publikováno v: Journal of Chemical Research. 2003:238-239

Aminegroups directly linked to the metal atom may affect both thecatalytic activity and polymer properties through their stericand/or electronic influence, as well as playing a fundamentalrole in the stability of active species during polymerisation.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a61d6a252af7d3fbdd2ae9f43fb118b6
https://doi.org/10.3184/030823403103173633

SÍNTESIS Y CARACTERIZACIÓN DE POLIETILENOS OBTENIDOS A PARTIR DE CATALIZADORES DEL TIPO ZIEGLER-NATTA (ZN) BASADOS EN ESPECIES MONO Y BIMETÁLICAS SOPORTADOS EN UN ADUCTO DEL TIPO MGCL2/SICL4-N(OHEX)N.

Autor: Tenía, Rita^1,2 rtenia@udo.edu.ve, Morrillo, Ángel³, Chirinos, Juan³, Ibarra, Darmenia³, Sánchez, Yanixia⁴, de Gáscue, Blanca Rojas²

Publikováno v: La Revista Latinoamericana de Metalurgia y Materiales, RLMM. 2019, Vol. 39 Issue 2, p146-155. 10p.