Articles with "bis imidazole" as a keyword



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Construction, Structural Diversity and Properties of Five Coordination Polymers Based on 5-Nitroisophthalate and Bis(imidazole) Linkers

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Published in 2018 at "Journal of Solid State Chemistry"

DOI: 10.1016/j.jssc.2018.03.013

Abstract: Abstract Five coordination polymers, namely, [Cd(µ3–5-nip)(µ-obix)]n (1), [Co(µ3–5-nip)(µ-obix)]n (2), [Zn(µ−5-nip)(µ-obix)]n (3 and 4) and [Cd(µ−5-nip)(µ-bisobix)]n (5) (5-nip: 5-nitroisophthalate, obix: 1,2-bis(imidazol-1ylmethyl)benzene, bisobix: 1,2-bis(2-isopropylimidazol-1ylmethyl)benzene) were hydrothermally synthesized and characterized by IR spectroscopy, elemental analysis, single crystal and… read more here.

Keywords: bis imidazole; structural diversity; coordination polymers; imidazole linkers ... See more keywords
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Syntheses, structures, and properties of three mixed-ligand complexes based on 3,6-bis(imidazole-1-yl)pyridazine

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Published in 2019 at "Journal of Molecular Structure"

DOI: 10.1016/j.molstruc.2018.08.043

Abstract: Abstract Three new coordination polymers [Co(L)(1,2,4,5-BTC)0.5(H2O)]n (1), {[Ni(L)(1,2-BDC)(H2O)3]·H2O}n (2) and {[Zn3(L)2(1,3,5-BTC)2(H2O)2]·3H2O}n (3) [L = 3,6-bis(imidazole-1-yl)pyridazine, H4BTC = 1,2,4,5-Benzenetetracarboxylic acid, H2BDC = 1,2-Benzenedicarboxylic acid, H3BTC = 1,3,5-Benzenetricarboxylic acid] were synthesized based on a rigid ligand L and different aromatic carboxylic acid ligands under solvothermal… read more here.

Keywords: imidazole pyridazine; bis imidazole; ligand; syntheses structures ... See more keywords
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Effect of substituent groups on the structures of two semi-flexible bis(imidazole) directed Zn(II)-5-sulfoisophthalate coordination polymers: Syntheses, structures and photoluminescent properties

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Published in 2018 at "Polyhedron"

DOI: 10.1016/j.poly.2017.09.049

Abstract: Abstract Two new metal organic architectures, formulated as {(pbetixH 2 ) 0.5 [Zn(µ-sip)(µ-pbetix) 0.5 ]} n ( 1 ) and {[Zn 2 (µ-sip) 2 (pbisopix)(pbisopixH) 2 ]·4H 2 O} n ( 2 ), were synthesized… read more here.

Keywords: bis imidazole; photoluminescent properties; coordination polymers; bis ... See more keywords
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Metal-organic frameworks based on flexible bis(imidazole) and dicarboxylic ligands and their applications as selective sensors for magnesium nitrate

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Published in 2020 at "Polyhedron"

DOI: 10.1016/j.poly.2020.114349

Abstract: Abstract Three new MOFs, namely {Co2(Bbi)2(A)2·H2O}n (1), {Co(Bbi) (B)2·4H2O)}n (2) and {Cd6(Bbi)1.5(L)6·5H2O}n (3) [Bbi = 1,1′-(1,4-butanediyl)bis(imidazole), H2L = (anthracene-9,10-endo-succinic acid), H2A = (benzopheno-4,4-dicarboxylic acid), H2B = (1,2-diethyl ether-4,4′-dibenzoic acid)], have been constructed through hydrothermal synthesis. 1 exhibits a double interpenetrating 3D to 3D… read more here.

Keywords: bis imidazole; topology; metal organic; magnesium nitrate ... See more keywords
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Bis-Imidazole Methane Ligated Ruthenium(II) Complexes: Synthesis, Characterization, and Catalytic Activity for Hydrogen Production from Formic Acid in Water.

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Published in 2021 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.1c01784

Abstract: A series of half sandwich arene-ruthenium complexes [(η6-arene)RuCl(κ2-L)]+ ([Ru]-1-[Ru]-10) containing bis-imidazole methane-based ligands {4,4'-(phenylmethylene)bis(2-ethyl-5-methyl-1H-imidazole)} (L1), {4,4'-((4-methoxyphenyl)methylene)bis(2-ethyl-5-methyl-1H-imidazole)} (L2), {4,4'-((2-methoxyphenyl)methylene)bis(2-ethyl-5-methyl-1H-imidazole)} (L3), {4,4'-((4-chlorophenyl)methylene)bis(2-ethyl-5-methyl-1H-imidazole)} (L4), and {4,4'-((2-chlorophenyl)methylene)bis(2-ethyl-5-methyl-1H-imidazole)} (L5) are synthesized. The synthesized and purified complexes ([Ru]-1-[Ru]-10) are further employed… read more here.

Keywords: bis imidazole; ethyl methyl; bis; methyl imidazole ... See more keywords
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Three 3D Co(ii) cluster-based MOFs constructed from polycarboxylate acids and bis(imidazole) ligands and their derivatives: magnetic properties and catalytic performance for the ORR.

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Published in 2019 at "Dalton transactions"

DOI: 10.1039/c9dt02278c

Abstract: Three 3D polymeric complexes containing polynuclear Co(ii) units, [Co3(bpda)3(bib)2]·H2O (1), [Co5(OH)2(H2O)2(bpda)4(bib)2]·2H2O (2), and [Co2(OH)(bib)(bpt)]·H2O (3) (H2bpda = biphenyl-2,4'-dicarboxylic acid, H3bpt = biphenyl-3,4',5-tricarboxylic acid, bib = 1,4-bis(1-imidazolyl)benzene), have been prepared by urothermal synthesis. Complex 1 exhibits… read more here.

Keywords: based mofs; bis imidazole; polycarboxylate acids; cluster based ... See more keywords
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Carbazole-based bis-imidazole ligand-involved synthesis of inorganic–organic hybrid polyoxometalates as electrochemical sensors for detecting bromate and efficient catalysts for selective oxidation of thioether

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Published in 2022 at "RSC Advances"

DOI: 10.1039/d1ra08861k

Abstract: Considering the potential application on preparing electrode and catalyst materials of inorganic–organic hybrid polyoxometalates, a bis-imidazole ligand with carbazole as a connector, 3,6-di(1H-imidazol-1-yl)-9H-carbazole (L), was used for preparing inorganic–organic hybrid polyoxometalates. As a result, three… read more here.

Keywords: bis imidazole; imidazole ligand; organic hybrid; selective oxidation ... See more keywords

Five 3D Co(II)-MOFs constructed from 5-(2-methylimidazol-1-yl) isophthalic acid and different bis(imidazole) ligands and one of their derivatives as an efficient electrocatalyst for ORR.

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Published in 2022 at "Dalton transactions"

DOI: 10.1039/d2dt02383k

Abstract: In this work, four different bis(imidazole) ligands, namely 1,4-bis(1-imidazolyl)benzene (bib), 4,4'-bis(1-imidazolyl)biphenyl (bibp), 1,4-bis (imidazol-1-ylmethylene)benzene) (bimb) and 4,4'-bis(imidazol-1-yl)diphenyl ether (bidpe), were used as the second ligand to give rise to the structural diversity of a coordination… read more here.

Keywords: different bis; isophthalic acid; bis imidazole; imidazole ligands ... See more keywords
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Three Cu(II) Complexes Constructed by Flexible bis-Imidazole and Different Anions: From 0D Architecture to 2D Layer

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Published in 2019 at "Crystallography Reports"

DOI: 10.1134/s1063774519070095

Abstract: Three new Cu(II) complexes, Cu(1,3-bip)(Ac)2 (I), {[Cu(H2O)2(1,3-bip)2] · (NO3)2}n (II), {[Cu(1,3-bip)(1,4-bdc)]2 · H2O · MeOH}n (III), where 1,3-bip is 1,3-bis(imidazole)propane and 1,4-bdc is terephthalic acid, have been synthesized and characterized by single crystal and powder… read more here.

Keywords: flexible bis; imidazole different; bis imidazole; complexes constructed ... See more keywords
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Bis-(imidazole/benzimidazole)-pyridine derivatives: synthesis, structure and antimycobacterial activity

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Published in 2020 at "Future Medicinal Chemistry"

DOI: 10.4155/fmc-2019-0063

Abstract: Aim: Over the last decades, few significant achievements have been made in tuberculosis (TB) therapy. As a result, there is an urgent need for new anti-TB drugs. Results: Two new classes of bis-(imidazole/benzimidazole)-pyridine derivatives were… read more here.

Keywords: antimycobacterial activity; bis imidazole; benzimidazole pyridine; imidazole benzimidazole ... See more keywords