Stereochemistry of low-spin cobalt porphyrins. 9. Molecular stereochemistry of two picket fence cobalt(II) derivatives.

Porphyrins / chemistry Stereoisomerism Cobalt / chemistry Ligands Imidazoles / chemistry
Cobalt(II) porphyrinates Imidazole ligands Steric hindrance effects X-ray structures

Journal

Journal of inorganic biochemistry
ISSN: 1873-3344
Titre abrégé: J Inorg Biochem
Pays: United States
ID NLM: 7905788

Informations de publication

Date de publication:
04 2023
Historique:
received: 06 11 2022
revised: 12 01 2023
accepted: 14 01 2023
pmc-release: 01 04 2024
pubmed: 29 1 2023
medline: 8 3 2023
entrez: 28 1 2023
Statut: ppublish

Résumé

The preparation and molecular structures of two five-coordinate cobalt(II) picket fence porphyrinates with imidazole ligands are described, [Co(TpivPP)(L)] (TpivPP, dianion of picket fence porphyrin). The ligands are the unhindered imidazole, 1-ethylimidazole, and the sterically hindered imidazole, 1,2-dimethylimidazole. Although the equatorial aspects of the geometry are quite equivalent, the axial coordination group geometry strongly reflects the differing steric requirements of the axial ligand. The hindering methyl group in 1,2-dimethylimidazole, adjacent to the coordinated imidazole nitrogen atom, leads to an increased CoN

Identifiants

DOI: 10.1016/j.jinorgbio.2023.112130 PMID: 36708627 PMC: PMC9992090
pubmed: 36708627
pii: S0162-0134(23)00012-0
doi: 10.1016/j.jinorgbio.2023.112130
pmc: PMC9992090
mid: NIHMS1868706
pii:
doi:

Substances chimiques

iron (III) alpha, alpha, alpha, alpha-tetrakis(2-pivalamidophenyl)porphyrin bromide 52215-70-0
Porphyrins 0
Cobalt 3G0H8C9362
Ligands 0
Imidazoles 0

Types de publication

Journal Article Research Support, N.I.H., Extramural

Langues

eng

Sous-ensembles de citation

IM

Pagination

112130

Subventions

Organisme : NIGMS NIH HHS
ID : R01 GM038401
Pays : United States

Informations de copyright

Copyright © 2023 Elsevier Inc. All rights reserved.

Déclaration de conflit d'intérêts

Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Références

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Auteurs

W Robert Scheidt (WR)

The Department of Chemistry and Biochemistry, 251 Nieuwland Science Hall, University of Notre Dame, Notre Dame, IN 46556, USA. Electronic address: scheidt@nd.edu.

Allen G Oliver (AG)

The Department of Chemistry and Biochemistry, 251 Nieuwland Science Hall, University of Notre Dame, Notre Dame, IN 46556, USA.

Dehui Yu (D)

College of Materials Science and Opto-electronic Technology, University of Chinese Academy of Science, Yanqi Lake, Huairou District, Beijing 101408, China.

Jianfeng Li (J)

The Department of Chemistry and Biochemistry, 251 Nieuwland Science Hall, University of Notre Dame, Notre Dame, IN 46556, USA; College of Materials Science and Opto-electronic Technology, University of Chinese Academy of Science, Yanqi Lake, Huairou District, Beijing 101408, China.

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Classifications MeSH

questionsmedicales.fr › Facteurs biologiques › Pigments biologiques › Porphyrines › Stereochemistry of low-spin cobalt porphyrins....
questionsmedicales.fr › Phénomènes chimiques › Phénomènes de chimie organique › Isomérie › Stéréoisomérie › Stereochemistry of low-spin cobalt porphyrins....
questionsmedicales.fr › Produits chimiques inorganiques › Métaux › Métaux lourds › Cobalt › Stereochemistry of low-spin cobalt porphyrins....
questionsmedicales.fr › Actions chimiques et utilisations › Utilisations spécialisées de produits chimiques › Produits chimiques de laboratoire › Ligands › Stereochemistry of low-spin cobalt porphyrins....
questionsmedicales.fr › Composés hétérocycliques › Composés hétéromonocycliques › Azoles › Imidazoles › Stereochemistry of low-spin cobalt porphyrins....