Topic
Benzaldehyde
About: Benzaldehyde is a research topic. Over the lifetime, 8049 publications have been published within this topic receiving 114520 citations. The topic is also known as: Benzoic acid aldehyde & Ethereal oil of bitter almonds.
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TL;DR: Schiff bases of benzene sulfonyl hydrazide (SBSZ) (1a-e) were prepared by using various benzaldehyde derivatives and the obtained resultant 2-thiazolidinone derivatives were then condensed with 5-nitro-2furfuralidine derivatives as mentioned in this paper .
Abstract: Schiff bases of Benzene sulfonyl hydrazide (SBSZ) (1a-e) were prepared by using various benzaldehyde derivatives. (1a-e) SBSZ were then condensed with mercapto acetic acid. The obtained resultant 2-thiazolidinone derivatives (2a-e) were then condensed with 5-nitro-2furfuralidine derivatives i.e. (Z)-N-(5-((5-nitrofuran-2-yl) methylene)-4-oxo-2-substitutedthiazolidin-3-yl) benzenesulfonamide (3a-e). These derivatives were further condensed with phenyl urea to yield fused heterocyclic derivatives i.e. N-(2-substituted-7-(5-nitrofuran-2-yl)-5-(phenylamino)-2H-thiazolo[5,4-e] [1,3]oxazin-3(3aH)-yl) benzene sulfonamide (4a-e). All the derivatives were characterised by C, H, N elemental analyser and IR-NMR-Mass Spectra. The antimicrobial properties of all the derivatives were studied for selected common microbes. The results of antibacterial activity of all three series (i.e. 2a-e, 3a-e, and 4a-e) of compounds indicate that all compounds are toxic for bacteria. However, the chlorine containing compounds are more toxic than others.
TL;DR: In this paper , a liquid phase catalytic oxidation of toluene was carried out under solvent-free conditions, and highly selective synthesis of benzaldehyde (BAL) and benzyl alcohol (BOL) and benzoic acid (BAC) in the presence of [email protected] calcined material as catalyst with oxygen molecules.
TL;DR: A simple thiophene based chalcone as fluorescent receptor (ADC) was synthesized by Claisen Schmidt condensation method upon linking 2-acetyl thiophenes and N,N-dimethylamino benzaldehyde as mentioned in this paper .
Abstract: A simple thiophene based chalcone as fluorescent receptor (ADC) was synthesized by Claisen Schmidt condensation method upon linking 2-acetyl thiophene (1) and N,N-dimethylamino benzaldehyde (2). The synthesized receptor is well characterized by NMR, IR, and mass spectroscopic techniques. The ADC receptor was examined for the detection of metal ions, in which it had a noticeable blue shifted fluorescence enhancement for Ag+ ions. Upon binding towards Ag+ ions, the photoinduced electron transfer (PET) process is inhibited via intramolecular charge transfer (ICT) process taking place. The binding stoichiometry of ADC+Ag+ complexation ratio is noted to be 2:1, which was further confirmed by jobs plot method, 1H NMR titration, IR spectral analysis, and DFT studies. The limit of detection (LOD) and limit of quantification (LOQ) was found to be 4.98 µm and 6.36 µm respectively. Additionally, ADC showed color changes upon binding with Ag+ ions in strip paper, cotton swab test through UV-365nm illumination. Moreover, ADC was successfully utilized for the practical applications of Ag+ ion detection in water samples, ointment and bacterial cell lines.