1-Butyl-4-methylpyridinium lauryl sulfate was synthesized and a number of spectroscopic techniques were used for the characterization. The surface active property was explored in different ways. The Host Guest inclusion complex formation with the synthesized compound inside the β-Cyclodextrin h...

The preparation and anion exchange properties of 3-n-propyl(4-methylpyridinium) silsesquioxane chloride polymer are described. This new polymer was prepared by the sol-gel processing method and is designated as SiPic+Cl−. It is insoluble in water and showed an anion exchange capacity of 1.46×10...

Ionic liquids (ILs) have attracted much attention for their unique physicochemical properties, which can be designed as needed by altering the ion combinations. Besides experimental work, numerous computational studies have been concerned with prediction of physical properties of ILs. The result...

Crystal structures of 1,1′,1″-trimethyl-4,4′,4″-(1,3,5-triazin-2,4,6-triyl)tripyridinium trisiodide (m.p. 383 °C) and 4-cyano-1-methylpyridinium triiodide (m.p. 118 °C) are described. These red salts were obtained unexpectedly from yellow 4-cyano-1-methylpyridinium iodide in either water o...

Viscosity (η) and molar conductivity (Λ) of aqueous solutions of sodium polystyrene sulfonate (NaPSS) in the presence of some 4-methylpyridinium based ionic liquids (1-Butyl-4-methylpyridinium bromide [BMPyr]Br, 1-Hexyl-4-methylpyridinium bromide [HMPyr]Br and 1-Octyl-4-methylpyridinium bromid...

Electric, thermic and spectral data of di(2-methylpyridinium)tetrachloromanganate(II) has been analyzed in terms of the structural properties of this salt. The dependence of the conductance on the absence or presence of the hydrogen bonding, as detected by the spectral studies for pyridinium sal...

A noncentrosymmetric, organic single crystal, 2-amino 4-methylpyridinium tartrate monohydrate was synthesized and grown by slow evaporation solution technique at room temperature using methanol as a solvent. The cell parameters of the grown crystal were determined by single crystal X-ray diffrac...

The complex chloride (2-methylpyridinium)2[TbCl4(H2O)3]Cl has been prepared for the first time. (2-Methylpyridinium)2[TbCl4(H2O)3]Cl crystallizes monoclinically in the space group P21/n (Z=4) with a=1327.0 pm, b=886.3 pm, c=1911.3 pm and β=105.52°. The coordination polyhedron containing terbiu...

The crystal and molecular structure of a new 4-methylpyridinium tetrachloroferrate(III) of molecular formula [4-Me(Py)H][FeCl4] was determined. The iron cation is four coordinated by chlorine anions, and it adopts a slightly distorted tetrahedral coordination with two angles smaller, three equal...

A new Ni(dmit)2-based organic magnetic charge-transfer (CT) salt, (m-PO-CONH-N-methylpyridinium)[Ni(dmit)2]·CH3CN, where PO = 2,2,5,5-Tetramethyl-3-pyrrolin-1-oxyl free radical and dmit = 2-Thioxo-1,3-dithiole-4,5-dithiolate, was obtained, the crystal structure and magnetic properties of which ...

The standard (p∘=0.1MPa) molar enthalpies of formation in the condensed phase, ΔfHm∘(cr,l), for 2′,4′-, 2′,5′-, and 3′,4′-dichloroacetophenones were derived from the standard molar energies of combustion, ΔcUm∘ in oxygen, to yield CO2(g) and HCl · 600H2O(l), at T = 298.15 K, measured...

2,4,5-Tribromophenol (2,4,5-TBP) and 3,4-dibromophenol (3,4-DBP) have the minimum number of Br atoms needed to form 2,3,7,8-PBDD/Fs, which are the most toxic among all 210 PBDD/F isomers. A mechanistic understanding of the formation of PBDD/Fs is a prerequisite for minimizing their emissions. In...

Nitration of p-chloro-, p-fluoro-, and p-bromo-phenol or the corresponding p-halophenyl acetates at t-40 °C and below gives the 4-halo-4-nitrocyclohexa-2, 5-dienones in addition to the 4-halo-2-nitrophenols. The dienones isomerize to the nitrophenols at temperatures between −40 °C and 0°C. Ni...

2-Bromo-6-nitrophenyl MOM and SEM ethers from stable lithio compounds on treatment with phenyllithium. Reaction of the lithio species with a variety of electrophiles allows the preparation of 2-substituted-6-nitrophenols. The intramolecular trapping of (2′,3′-epoxypropyloxy)-2-lithio-4-methyl-...

Three new salen-type copper (II) and nickel (II) complexes viz. [Cu(L)2] (1); [Ni(L)2] (2); [Ni(L1) (DMF)] (3), where HL = 2-((E)-(4-bromo-2-chlorophenylimino) methyl)-6-bromo-4-nitrophenol and HL1= (E)-1-(3,5-dichloro-2-hydroxybenzylidene)-4,4-dimethylthiosemicarbazide; DMF = N, N-dimethylforma...

Synthesized 4-nitro-N-(2,4-dinitrophenyl) benzenamine (NDPBA) molecule was confirmed applying the tool of NMR. Theoretical prediction addressed the NMR chemical shifts and correlated well with the experimental data. The molecule subjected to theoretical DFT at 6–311++G** level unraveled the spe...

In this work, the structural parameters of the title molecule (MTT) have been obtained at the B3LYP/6-311++G** level of theory. The two phenyl rings and the two heterocyclic rings are found in four different planes. The tetrazolium ring was connected with other three rings and their distances ar...

The effect of carvacrol and methyl cinnamate vapors incorporated into strawberry puree edible films on the postharvest quality of strawberry fruit (Fragaria × ananassa) was investigated. Fresh strawberries were packed in clamshells and kept at 10 °C for 10 days with 90% RH. Strawberry puree ed...

Two new sesquiterpene dialdehydes, cinnamate 7 and coumarate 8, were isolated from the fruits of Pseudowintera colorata. The known sesquiterpene dialdehydes polygodial 1 and 9-deoxymuzigadial 2 were also found in these fruits, at 5% w/w compared to 0.5% in the leaves. Fruits of Pseudowintera axi...

Brassinosteroids (BRs) are steroid hormones regulating various aspects of plant metabolism, including growth, development and stress responses. However, little is known about the mechanism of their impact on antioxidant systems and phospholipid turnover. Using tobacco plants overexpressing H+/Ca...