Synthesis of new allylidene amino phenol-containing Schiff bases and metal complex formation using trimethinium salts

An efficient route for the synthesis of novel Schiff bases from the condensation reaction of 2-substituted 1,3-bis(dimethylamino)-trimethinium salts with diverse aminophenols in the presence of triethylamine in EtOH at reflux is described. Complexes of transition metals with Schiff base ligand (L) 3...

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Bibliographic Details
Published in:RSC advances 2021-06, Vol.11 (35), p.21695-2171
Main Authors: Rafiee Samani, Ziba, Mehranpour, Abdolmohammad
Format: Article
Language:English
Subjects:
Aminophenol
Base metal
Chemical analysis
Chemistry
Complex formation
Coordination compounds
Imines
Mass spectra
NMR
Nuclear magnetic resonance
Transition metals
Triethylamine
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Summary:An efficient route for the synthesis of novel Schiff bases from the condensation reaction of 2-substituted 1,3-bis(dimethylamino)-trimethinium salts with diverse aminophenols in the presence of triethylamine in EtOH at reflux is described. Complexes of transition metals with Schiff base ligand (L) 3c , having the donor atom set N 2 O 2 , were studied. The ultraviolet spectral behavior of the complexes in DMSO was investigated and the λ max of these compounds was examined. The structure of the new compounds was confirmed based on their spectral data from IR, 1 H NMR and 13 C NMR, mass spectra, and elemental analysis. An efficient route for the synthesis of novel Schiff bases from the condensation reaction of 2-substituted 1,3-bis(dimethylamino)-trimethinium salts with diverse aminophenols in the presence of triethylamine in EtOH at reflux is described.
ISSN:2046-2069
2046-2069
DOI:10.1039/d1ra04214a