Rearrangement of Imidazolidine to Piperazine Rings in the Presence of DyIII

The formation of imidazolidines from secondary amines and aldehydes is well known. This small cycle can act as a nitrogen donor, and it is usually stable when it coordinates to metal ions. Sometimes, imidazolidines acting as ligands undergo breaking of the C-N bond when coordinating to the metal cen...

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Vydáno v:Chemistry Proceedings Ročník 12; číslo 1; s. 30
Hlavní autoři: Julio Corredoira-Vázquez, Paula Oreiro-Martínez, Ana M. García Deibe, Jesús Sanmartín-Matalobos, Matilde Fondo
Médium: Journal Article
Jazyk:angličtina
Vydáno: MDPI AG 01.11.2022
Témata:
dysprosium(III)
imidazolidine
piperazine
ISSN:2673-4583
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Shrnutí:The formation of imidazolidines from secondary amines and aldehydes is well known. This small cycle can act as a nitrogen donor, and it is usually stable when it coordinates to metal ions. Sometimes, imidazolidines acting as ligands undergo breaking of the C-N bond when coordinating to the metal center, yielding related amines. However, the reorganization of the imidazolidine into a piperazine ring is quite an unusual process. In this work, we describe the transformation of a zinc complex with a ligand containing two imidazolidine moieties into a zinc complex with a piperazine fragment as donor, in the presence of a dysprosium salt.
ISSN:2673-4583
DOI:10.3390/ecsoc-26-13547