Articles with "cobalt bis" as a keyword



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Remarkable aromaticity of cobalt bis(dicarbollide) derivatives: a NICS study

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Published in 2018 at "Theoretical Chemistry Accounts"

DOI: 10.1007/s00214-018-2272-6

Abstract: In this work, a novel study on aromaticity for a series of cobalt bis(dicarbollide) derivatives: $$[{\hbox {3-Co-}}({\hbox {1,2-C}}_{2}{\hbox {B}}_9{\hbox {H}}_9)_{2}{\hbox {RX}]^-}\, ({\hbox {R, X}}={\hbox {H}},{\hbox {NH}}_2,{\hbox {NO}}_2,{\hbox {CH}}_3, {\hbox {COH}},{\hbox {OCH}}_3,{\hbox {C}}_6{\hbox {H}}_5,{\hbox {Cl}}$$[3-Co-(1,2-C2B9H9)2RX]-(R, X=H,NH2,NO2,CH3,COH,OCH3,C6H5,Cl)… read more here.

Keywords: cobalt bis; aromaticity; hbox hbox; bis dicarbollide ... See more keywords
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Synthesis of cobalt bis(8-methylthio-1,2-dicarbollide)- pentacarbonyltungsten complexes

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Published in 2018 at "Russian Chemical Bulletin"

DOI: 10.1007/s11172-018-2112-9

Abstract: A reaction of Bu4N[8,8´-(MeS)2-3,3´-Co(1,2-C2B9H10)2] with (MeCN)3W(CO)3 in dichloromethane gave a mixture of Bu4N{(CO)5W[κ-8,8´-(MeS)2-3,3´-Co(1,2-C2B9H10)2]} and Bu4N{[(CO)5W]2[κ2-8,8´-(MeS)2-3,3´-Co(1,2-C2B9H10)2]}, which were separated by column chromatography on silica gel. read more here.

Keywords: cobalt bis; bu4n mes; methylthio dicarbollide; bis methylthio ... See more keywords
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Self-combustion synthesis of dilithium cobalt bis(tungstate) decorated with silver nanoparticles for high performance hybrid supercapacitors

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Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.131252

Abstract: Abstract Oxide materials LixMy(XO4)z (M = Ni, Co, Fe, Mn…) and (X = P, W, Mo, As) with an open frame structure are of great interest for electrochemical energy storage. In this work, a high energy density Hybrid supercapacitor… read more here.

Keywords: silver; density; bis tungstate; li2co wo4 ... See more keywords
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Electrochemistry of icosahedral cobalt bis(dicarbollide) ions and their carbon and boron substituted derivatives in aqueous phosphate buffers

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Published in 2020 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2020.136112

Abstract: Abstract Herein we present investigations of electrochemical behavior over a series of selected bisicosahedral cobalt bis(heteroborane)(1-) derivatives in aqueous phosphate buffers. This pilot study is focused on distinct effects connected with either exo-skeletal substitutions at… read more here.

Keywords: derivatives aqueous; cobalt bis; aqueous phosphate; electrochemistry ... See more keywords
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Cobalt bis(dicarbollide) anion and its derivatives

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Published in 2017 at "Journal of Organometallic Chemistry"

DOI: 10.1016/j.jorganchem.2017.04.006

Abstract: Abstract Owing to high chemical and thermal stability, ionic character, low nucleophilicity and peculiar solubility, cobalt bis(dicarbollide) anion occupies a unique position among the metallacarboranes. Derivatives of cobalt bis(dicarbollide) find applications in different areas such… read more here.

Keywords: cobalt bis; chemistry; dicarbollide anion; bis dicarbollide ... See more keywords
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Structurally rigidified cobalt bis(dicarbollide) derivatives, a chiral platform for labelling of biomolecules and new materials.

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Published in 2022 at "Chemical communications"

DOI: 10.1039/d1cc06979a

Abstract: We report the difunctional modification of an anionic cobalta bis(dicarbollide)(1-) cluster with a B(8,8')-oxygen bridging unit that provides structural rigidity and an organic alkylazide substituent(s) on the carbon atoms of the metallacarborane cage. These ions… read more here.

Keywords: bis dicarbollide; bis; structurally rigidified; rigidified cobalt ... See more keywords
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Crystal structure of tris(2,2′-bipyridine)cobalt(II) bis(1,1,3,3-tetracyano-2-ethoxypropenide)

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Published in 2019 at "Acta Crystallographica Section E: Crystallographic Communications"

DOI: 10.1107/s2056989018018261

Abstract: Polynitrile anions are known for their ability to combine with transition metals and co-ligands to form ternary systems. Here we report on the crystal structure of tris(2–2′-bipyridine)cobalt(II) bis(1,1,3,3-tetracyano-2-ethoxypropenide). read more here.

Keywords: bis tetracyano; bipyridine cobalt; tris bipyridine; structure tris ... See more keywords
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Synthesis of Boronated Amidines by Addition of Amines to Nitrilium Derivative of Cobalt Bis(Dicarbollide)

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Published in 2021 at "Molecules"

DOI: 10.3390/molecules26216544

Abstract: A series of novel cobalt bis(dicarbollide) based amidines were synthesized by the nucleophilic addition of primary and secondary amines to highly activated B-N+≡C–R triple bond of the propionitrilium derivative [8-EtC≡N-3,3′-Co(1,2-C2B9H10)(1′,2′-C2B9H11)]. The reactions with primary amines… read more here.

Keywords: cobalt bis; bis dicarbollide; c2b9h10 c2b9h11; addition ... See more keywords

Synthesis of Cobalt Bis(Dicarbollide)—Curcumin Conjugates for Potential Use in Boron Neutron Capture Therapy

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27144658

Abstract: A series of novel cobalt bis(dicarbollide)—curcumin conjugates were synthesized. Two conjugates were obtained through the nucleophilic ring-opening reaction of the 1,4-dioxane and tetrahydropyran derivatives of cobalt bis(dicarbollide) with the OH group of curcumin, and using… read more here.

Keywords: curcumin conjugates; bis dicarbollide; dicarbollide curcumin; cobalt bis ... See more keywords
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Metallacarborane Synthons for Molecular Construction—Oligofunctionalization of Cobalt Bis(1,2-dicarbollide) on Boron and Carbon Atoms with Extendable Ligands

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Published in 2023 at "Molecules"

DOI: 10.3390/molecules28104118

Abstract: The exploitation of metallacarboranes’ potential in various fields of research and practical applications requires the availability of convenient and versatile methods for their functionalization with various functional moieties and/or linkers of different types and lengths.… read more here.

Keywords: bis dicarbollide; carbon; carbon atoms; boron carbon ... See more keywords