Luminescent, low-toxic P,P-bischelate copper(i) complexes with N-alkylaryl-substituted 1,5-diaza-3,7-diphosphacyclooctanes

The interaction of 2-(thiophen-2′-yl)ethylphosphine, paraformaldehyde, and benzhydrylamine or 1-methylbenzylamine resulted in 1,5-diaza-3,7-diphosphacyclooctanes, which were used for the synthesis of P,P-bischelate copper( i ) complexes. The obtained compounds were characterized by NMR spectroscopy,...

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Published inRussian chemical bulletin Vol. 73; no. 6; pp. 1811 - 1817
Main Authors Dayanova, I. R., Sabirova, Z. R., Lyubina, A. P., Voloshina, A. D., Shmelev, A. G., Musina, E. I., Strelnik, I. D., Karasik, A. A.
Format Journal Article
LanguageEnglish
Published New York Springer US 01.06.2024
Springer Nature B.V
Subjects
Biological activity
Chemical analysis
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Copper
Full Articles
Inorganic Chemistry
Mass spectrometry
NMR spectroscopy
Optical properties
Organic Chemistry
P
aminomethylphosphines
biological activity
rings
fluorescence
copper
N
complexes
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Summary:The interaction of 2-(thiophen-2′-yl)ethylphosphine, paraformaldehyde, and benzhydrylamine or 1-methylbenzylamine resulted in 1,5-diaza-3,7-diphosphacyclooctanes, which were used for the synthesis of P,P-bischelate copper( i ) complexes. The obtained compounds were characterized by NMR spectroscopy, mass spectrometry, and elemental analysis. The study of the luminescent properties of the copper( i ) complexes demonstrated that they are solid-state singlet luminophores. Their biological activity was investigated. They were shown to be inactive against gram-positive and gram-negative bacteria and exhibited a low cytotoxicity, which determined their potential use as luminescent sensors for biological applications.
ISSN:1066-5285
1573-9171
DOI:10.1007/s11172-024-4298-3