Abstract
Condensation of 1,3-diaminopropan-2-ol with 9-ethyl-9H-carbazole-3-carbaldehyde in absolute ethanol under stirring condition resulted in the formation of 1,3-bis{[(E)-(9-ethyl-9H-carbazol-3-yl)methylidene]amino}propan-2-ol within 0.5 in an excellent yield. The structure of the desired Schiff base was physically analyzed via CHN-elemental analysis, TOF-MS, UV-vis, FT-IR, and 1H & 13C-NMR. Computational studies of the structure were performed at the DFT/B3LYP/6-311++G(d) level of theory. Molecular electrostatic potential (MEP), Mulliken charge, IR-B3LYP, and structure optimization were performed.
Highlights
Schiff base (SB) (>C=N-) preparation, reported first by Hugo Schiff (1915–1834) [1], is considered a broad branch in the organic field of natural science
Regardless of the number of SB ligands and their complexes, there remains a need for new SBs and SB
°C), the desired SBinproduct precipitated in high yield
Summary
Schiff base (SB) (>C=N-) preparation, reported first by Hugo Schiff (1915–1834) [1], is considered a broad branch in the organic field of natural science. Considerable biological activity in antifungal, anti-apoptotic, anti-inflammatory, antiviral, and antibiotic agents has been documented for the above-mentioned compounds [4]. These compounds are of interest for their electroluminescent [5] and fluorescence properties [6] and hold promise as sensors [7], corrosion inhibitors [8], organic photovoltaic materials [9], and catalysts [10]. Due to the lone pair electrons on nitrogen, SBs are considered good metal complexing agents. In connection with previous work [2,16,17,18], 1,3-bis{[(E)-(9-ethyl-9H-carbazol-3-yl)methylidene]amino}propan-2-ol was prepared and analyzed, spectrally and DFT-computationally, in this study
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