Article (Scientific journals)
Synthesis and characterization of cationic manganese–carbonyl complexes bearing imidazol(in)ium-2-dithiocarboxylate ligands
Beltran Alvarez, Tomás Francisco; Zaragoza, Guillermo; Delaude, Lionel
2021In Polyhedron, 197, p. 115055
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Keywords :
Carbonyl compounds; Chelates; Mass spectrometry; N-Heterocyclic carbenes; Zwitterions
Abstract :
[en] Four cationic manganese–tetracarbonyl complexes with the generic formula [Mn(CO)4(S2C·NHC)]PF6 that featured chelating imidazol(in)ium-2-dithiocarboxylate ligands derived from common N-heterocyclic carbenes bearing mesityl or 2,6-diisopropylphenyl substituents on their nitrogen atoms were readily synthesized by reacting the corresponding [MnBr(CO)3(S2C·NHC)] precursors with silver hexafluorophosphate in dichloromethane at room temperature in the presence or absence of added carbon monoxide. All the products were fully characterized by various analytical techniques and their most striking features on IR, NMR, and XRD spectroscopies were compared with those exhibited by related compounds. Their fragmentation in the gas phase was probed by using advanced mass spectrometry techniques. Upon CID, a clean decarbonylation of the parent [Mn(CO)4(S2C·NHC)]+ cations led to the formation of [Mn(CO)3(S2C·NHC)]+, [MnO2(S2C·NHC)]+, and [Mn(OH2)(S2C·NHC)]+ species.
Disciplines :
Chemistry
Author, co-author :
Beltran Alvarez, Tomás Francisco ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie organométallique et catalyse homogène
Zaragoza, Guillermo
Delaude, Lionel  ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie organométallique et catalyse homogène
Language :
English
Title :
Synthesis and characterization of cationic manganese–carbonyl complexes bearing imidazol(in)ium-2-dithiocarboxylate ligands
Publication date :
2021
Journal title :
Polyhedron
ISSN :
0277-5387
Publisher :
Elsevier, United Kingdom
Volume :
197
Pages :
115055
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 03 February 2021

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