The results of a comprehensive investigation of the photophysical properties of the sunscreen analogue, N-acetyl menthyl anthranilate (NAMA), in various solvent systems are reported. Luminescence studies reveal that this compound is fluorescent (Φf=0.16±0.01) in toluene and has a solvent depen...

The FT-IR and FT-Raman spectra of 4,6-dichloro-2-(methylthio)pyrimidine (DMP) have been recorded and analyzed. The optimized geometry, intramolecular hydrogen bonding, and harmonic vibrational wave numbers of DMP have been investigated with the help of B3LYP density functional theory (DFT) metho...

At room temperature, 9-[(mesityloxy)carbonyl]-10-methylacridinium trifluoromethanesulphonate (1) and mesityl 9-methoxy-10-methyl-9,10-dihydroacridine-9-carboxylate (2) both form monoclinic crystals in space group P21/n with Z = 4. The crystal structure of 1 is stabilised by long-range electrosta...

The nitrogen atom of phenyl acridine-9-carboxylate was alkylated with several alkylating agents using thermal, photochemical and sonochemical techniques. Thermal reactions were only suitable for methylation and ethylation, but irradiation with UV light for ultrasound allowed the synthesis of n-p...

A new series of substituted ethyl 10-chloro-4-(3,4-dimethoxyphenyl)-2-hydroxy-12-phenyl-1,4,5,6-tetrahydrobenzo[a]acridine-3-carboxylates, 3a–e have been synthesized through NaOH base mediated cyclocondensation of (E)-7-chloro-2-(3,4-dimethoxybenzylidene)-9-phenyl-3,4-dihydroacridin-1(2H)-ones,...

Infrared spectra of phenyl acridine-9-carboxylates and their 10-methylated cationic derivatives were recorded and discussed. Experimental data were compared with theoretically predicted transitions at the DFT level of theory (using the B3LYP functional and 6-31G** basis set) for optimized geomet...

2,4-Disubstituted phenyl 10-methyl-10λ4-acridine-9-carboxylate derivatives were synthesized and the chemiluminescence of each was measured at pH 6–9. The introduction of electron-withdrawing groups at 2,4-positions in the phenyl moiety intensified chemiluminescence. 2,4-(Dimethoxycarbonyl)phen...

1-Methylcyclopropene (1-MCP) is a cyclopropene compound that is widely used as an ethylene antagonist to extend the storage life of fresh fruit but has a difficulty in its use due to its chemically unstable and physically volatile properties. A cyclopropene compound with a long chain substituent...

The titled compound, L-Phenylalaninium methanesulfonate (LPA-MS) was synthesized and grown into single crystals by slow solvent evaporation solution growth technique in aqueous solution containing equimolar concentrations of l-phenylalanine and methanesulfonic acid at room temperature. The grown...

The synthesis and characterization of a series of new phenyl/alkyl-substituted-3,5-dimethylpyrazolium ionic liquids ([PhpzR][X] R = CnH2n+1 n: 1,2,3,4,5,6,7 [X] = CH3SO3−, BF4−, PF6−) are described. Their melting points, thermal stabilities, electrochemical windows, and solubility properties in ...

Thermal analysis, X-ray diffraction and vibrational spectroscopy have been used to investigate pyridinium methanesulfonate in order to verify its crystal structure and to have insight into its anomalous dynamical properties. This compound undergoes a solid-solid, reversible phase transition at 2...

Phenyl methanesulfonate (PhMS) is chosen as a film forming electrolyte additive to improve the performance of the LiNi0.5Co0.2Mn0.3O2/graphite cells at low temperature. Meanwhile, the interfacial performance of cathode and anode is also investigated. Moreover, the cell with PhMS additive present...

Aliphatic methanesulfonates (mesylates) are obtained in high yields by reacting the corresponding alcohols with methanesulfonyl chloride. Reactions of mesylates proceed specifically and result in good yields. When working with unsaturated compounds, isomerization does not occur. Thus, mesylates ...

The challenging carbonylation of propargyl alcohol is effectively catalyzed by Pd(OAc)2 in combination with diphenyl-(6-methyl-pyridin-2-yl)phosphine and methanesulfonic acid. In dichloroethane at 20–50 °C, the reaction affords with almost complete regioselectivity alkyl 2-(hydroxymethyl)acryl...

In the present work, carbonyl pyridoquinolones 8–33 were synthesized and their ability to inhibit gram-positive stains Bacillus subtilis and Staphylococcus aureus, gram-negative stains Escherichia coli and Pseudomonas aeruginosa, and fungi Candida albicans was studied. Carbonyl piperazines atta...

A series of novel piperazine tethered biphenyl-3-oxo-1,2,4-triazine derivatives were designed, and synthesized. Amongst the synthesized analogs, compound 6g showed significant non-competitive inhibitory potential against acetylcholinesterase (AChE, IC50; 0.2 ± 0.01 μM) compared to standard don...

Utilizing molecular hybridization approach, a progression of novel pyrazolylpyrimidine based N-thioamide derivatives of piperazine were identified in an effort to develop newer antibacterial and antitubercular agents against the cumulative bacterial resistance. Spectral analysis using Mass, 1H N...

Urease is known to be one of the major causes of diseases induced by Helicobacter pylori, thus allow them to survive at low pH inside the stomach and thereby, play an important role in the pathogenesis of gastric and peptic ulcer, apart from cancer as well. Keeping in view the great importance o...

A thermally stable polymer-supported oxidant has been developed. Polymer-supported 2-benzenesulfonyl-3-(4-nitrophenyl)oxaziridine was applied to microwave-assisted reactions that occurred at high temperatures and was shown to oxidize alkenes, silyl enol ethers, and pyridines to the corresponding...

A simple and reliable reaction protocol for the clean, fast, and high-yielding synthesis of various N-arylated amines derived from reactions of aryl halides with various (also sterically hindered) amines under transition metal-free reaction conditions is presented. Dioxane and KN(Si(CH3)3)2 were...