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Naphthyridine–BF2 complexes with an amide-containing di-2-picolylamine receptor: Synthesis, structures and photo-induced electron transfer

Paper ID Volume ID Publish Year Pages File Format Full-Text
26817 43980 2013 7 PDF Available
Title
Naphthyridine–BF2 complexes with an amide-containing di-2-picolylamine receptor: Synthesis, structures and photo-induced electron transfer
Abstract

•Two novel naphthyridine–BF2 compounds with an amide-containing di-2-picolylamine (DPA) receptor were synthesized.•The photophysical properties were elucidated which are in line with the results of CV measurements and DFT calculations.•Fluorescence increase was realized by coordination of DPA with a second BF2 unit or metal ions.

Two novel naphthyridine–BF2 compounds with an amide-containing di-2-picolylamine (DPA) receptor, namely 4 and 5, were synthesized and structurally characterized by various spectroscopic techniques and X-ray diffraction crystallography. The crystal structures of both mononuclear 4 and dinuclear 5 possessed a N,O-chelated naphthyridine–BF2 core, and the second BF2 unit in 5 was ligated to a basic amido N-atom together with a tertiary amine in the DPA part. The spectroscopic properties of 4 and 5 were investigated in various solvents and the difference between them was rationalized by the intramolecular charge transfer (ICT) and photo-induced electron transfer (PET) mechanism. Cyclic voltammetry measurements and theoretical calculations were carried out, and the results were in agreement with their spectral data.

Graphical abstractTwo novel naphthyridine−BF2 compounds with an amide-containing di-2-picolylamine receptor were synthesized and structurally characterized, which displayed various fluorescent properties due to photo-induced electron transfer as evidenced by both cyclic voltammetry measures and theoretical calculations.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Naphthyridine; BF2 complex; Photophysical; Charge transfer; Electron transfer
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Naphthyridine–BF2 complexes with an amide-containing di-2-picolylamine receptor: Synthesis, structures and photo-induced electron transfer
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 272, 15 November 2013, Pages 73–79
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
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