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Effect of the Additional Carboxyl Group in Half-Sandwich Organometallic 2,4-Dipicolinate Complexes on Solution Speciation and Structure
dc.creator | Mészáros, János P. | |
dc.creator | Németi, Gábor | |
dc.creator | Poljarević, Jelena | |
dc.creator | Holczbauer, Tamás | |
dc.creator | May, Nóra V. | |
dc.creator | Enyedy, Éva A. | |
dc.date.accessioned | 2021-12-15T07:42:27Z | |
dc.date.available | 2021-12-15T07:42:27Z | |
dc.date.issued | 2021 | |
dc.identifier.issn | 1434-1948 | |
dc.identifier.uri | http://cherry.chem.bg.ac.rs/handle/123456789/4815 | |
dc.description.abstract | Solution speciation of Rh(η5-C5Me5), Ru(η6-p-cymene) and Ru(η6-toluene) complexes of 2,4-pyridinedicarboxylic acid (2,4-dipicH2) was studied and compared to that of 2-picolinic acid (picH) in addition to their reactivity towards chloride and bromide ions, 1-methylimidazole and guanosine. Structures of [Rh(η5-C5Me5)(2,4-dipicH)Cl] ⋅ 3H2O (1), 2[Ru(η6-toluene)(2,4-dipicH)Cl] ⋅ 3H2O (2) and [Ru(η6-toluene)(2,4-dipic)]3 ⋅ 7H2O (3) were analyzed by X-ray diffraction. 1 and 2 show typical piano stool geometry, while 3 is a triangular complex stabilized via the monodentate coordination of the second carboxylate group to the neighboring Ru(II) center. High stability [M(arene)L(H2O/Cl)] species predominate at pH 7.4. 2,4-Dipic forms more stable complexes with Ru(η6-arene) than pic, with this difference being minor in the case of the Rh(η5-C5Me5) complexes. A lower affinity of 2,4-dipic complexes to halide ions was found compared to the corresponding pic complexes due to the additional COO− moiety. | |
dc.language | en | |
dc.publisher | Wiley | |
dc.relation | NationalResearch,DevelopmentandInnovationOffice-NKFIA (FK124240,KH129588PD128504) | |
dc.relation | Ministry of Human Capacities (ÚNKP-20-3-SZTE-544, TKP-2020) | |
dc.relation | University of Szeged Open Access Fund (5302) | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.source | European Journal of Inorganic Chemistry | |
dc.subject | 2-picolinic acid | |
dc.subject | Halide affinity | |
dc.subject | Solution stability | |
dc.subject | Trinuclear complex | |
dc.subject | X-ray crystal structures | |
dc.title | Effect of the Additional Carboxyl Group in Half-Sandwich Organometallic 2,4-Dipicolinate Complexes on Solution Speciation and Structure | |
dc.type | article | en |
dc.rights.license | BY | |
dc.citation.volume | 2021 | |
dc.citation.issue | 19 | |
dc.citation.spage | 1858 | |
dc.citation.epage | 1868 | |
dc.identifier.wos | 000647914400001 | |
dc.identifier.doi | 10.1002/ejic.202100122 | |
dc.citation.rank | M22~ | |
dc.type.version | publishedVersion | |
dc.identifier.scopus | 2-s2.0-85105372805 | |
dc.identifier.fulltext | http://cherry.chem.bg.ac.rs/bitstream/id/28687/Effect_of_the_Additional_pub_2021.pdf |