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Molecular recognition of 2-alkylbenzimidazole: Photophysical and structural studies

Paper ID Volume ID Publish Year Pages File Format Full-Text
27681 44036 2010 9 PDF Available
Title
Molecular recognition of 2-alkylbenzimidazole: Photophysical and structural studies
Abstract

2-Alkylbenzimidazole (L1–3) forms organic salt co-crystals with several electron-deficient aromatic as well as aliphatic polycarboxylic acids. Electron-rich benzimidazole shows dramatic quenching of fluorescence in presence of electron-deficient acidic guest molecules. Higher selectivity was found towards pyromellitic acid. Substituted benzimidazole forms organic salt co-crystals with different acids of general composition [LnH+·A−] (where, A is the acid molecule). The non-covalent interactions between carboxylic acids and L1–3 were investigated by UV–vis, fluorescence and 1H NMR spectroscopic methods in solution and by single crystal X-ray diffraction in solid state.

Keywords
Organic salt; Co-crystal; Electron-deficient compound; Electron-rich compound; Supramolecular chemistry; Fluorescence
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Molecular recognition of 2-alkylbenzimidazole: Photophysical and structural studies
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 211, Issues 2–3, 15 April 2010, Pages 176–184
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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