Interaction of N-Nitroamines with Bincuelar Copper Complexs for Luminsecent Detection

Haosheng Feng, Shao-Xiong Lennon Luo, Robert G Croy, John M. Essigmann, Timothy M. Swager

https://doi.org/10.1039/D2DT03848J

Cu(I) from tetrakis(acetonitrile)copper(I) hexafluorophosphate ([Cu(MeCN)4]PF6) was complexed with five structurally related phosphines containing N-heterocycles. The interactions between the resulting complexes and some N-nitrosamines were studied using X-ray crystallography as well as emission spectroscopy. Upon complexation, three phosphine ligands bridge two Cu(I) centers to give paddlewheel type structures that displayed a range of emission wavelengths spanning the visible region. N-Nitrosodimethylamine (NDMA) was shown to coordinate to one of the two copper centers in some of the paddlewheel complexes in the solid state and this interaction also quenches their emissions in solution. The influence of the weakly coordinating anion on crystal and spectroscopic properties of one of the paddlewheel complexes was also examined using tetrakis(acetonitrile)copper(I) perchlorate ([Cu(MeCN)4]ClO4) as an alternative Cu(I) source. Similarly, copper(II) perchlorate hexahydrate (Cu(ClO4)2·6H2O) was used for complexation to observe the impact of metal oxidation state on the two aforementioned properties. Lastly, the spectroscopic properties of the complex between Ph2P(1-Isoquinoline) and Cu(I) was shown to exhibit solvent dependence when the counterion is ClO4−. These Cu(I) complexes are bench stable solids and may be useful materials for developing a fluorescence based detection method for N-nitrosamines.

DOI: None

Zenodo URL: None

Created at: 27th Mar 2023 at 20:01

Contents

Chemical Synthesis - Metadata

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CHM-samples-publish2023-03-16_10-12.xlsx

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P.SWA-230223-V1_synthesis-protocol

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Absorption and Emission Spectroscopy - Data Linked

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CHM-samples-publish2023-03-16_10-12.xlsx

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D.SPC-samples-publish2023-03-16_10-23.xlsx

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P.SWA-230302-V1_Fluorescence-and-XPS

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Nuclear Magnetic Resonance Spectroscopy - Data Linked

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D.NMR-samples-publish2023-03-16_11-23.xlsx

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P.SWA-230302-V1_NMR

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High Resolution Mass Spectra - Data Linked

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CHM-samples-publish2023-03-16_10-12.xlsx

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D.MSP-samples-publish2023-03-16_11-35.xlsx

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P.SWA-230302-V1_Mass-Spectrometry

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P.SWA-230302-V1_Jeol-Accu-ToF_05252022

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Crystallography - Data Linked

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X-ray Photoelectron Spectroscopy - Data Linked

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D.XRS-samples-publish2023-03-16_11-57.xlsx

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P.SWA-230302-V1_Fluorescence-and-XPS

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Electron Paramagnetic Resonance - Data Linked

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D.PRM-samples-publish2023-03-16_11-48.xlsx

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Absorption and Emission Spectroscopy Analysis - Data Linked

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D.SPC-samples-publish2023-03-16_10-23.xlsx

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A.SPC-samples-publish2023-03-16_10-25.xlsx

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Nuclear Magnetic Resonance Spectroscopy Analysis - Data Linked

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D.NMR-samples-publish2023-03-16_11-23.xlsx

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A.NMR-samples-publish2023-03-16_11-39.xlsx

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High Resolution Mass Spectra Analysis - Data Linked

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D.MSP-samples-publish2023-03-16_11-35.xlsx

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A.MSP-samples-publish2023-03-16_11-37.xlsx

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Created: 27th Mar 2023 at 20:01

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