Dichloro(η6-p-cymene)(P,P-diphenyl-N-propyl-phosphinous amide-κP)ruthenium(II)

The title compound, i.e., [RuCl2(η6-p-cymene)(PPh2NHnPr)] (2), was obtained in a 71% yield by reacting a toluene solution of the chlorophosphine complex [RuCl2(η6-p-cymene)(PPh2Cl)] (1) with two equivalents of n-propylamine at room temperature. The aminophosphine complex 2 was characterized by elemental analysis, multinuclear NMR (31P{1H}, 1H and 13C{1H}) and IR spectroscopy. In addition, its catalytic behavior in the hydration of benzonitrile was briefly explored.

The synthesis and characterization of the octahedral CoIII complex of a pyrrolopyrrolizine derivative formed with dicyanovinylene-bis-(meso-aryl)dipyrrin

A low spin state, diamagnetic, and hexa-coordinating CoIII complex of two pyrrolopyrrolizine ligands was synthesized by thermally treating the toluene solution of dicyanovinylene-bis(meso-aryl)dipyrrin and CoCl2.

Macrocycle- and metal-centered reduction of metal tetraphenylporphyrins where metal is copper(II), nickel(II) and iron(II)

Reduction of metal(II) tetraphenylporphyrins, where metal(II) is copper, nickel or iron, has been performed in toluene solution using cesium anthracenide as a reductant in the presence of cryptand. Crystalline salts...

Acridine form IX

We report a new polymorph of acridine, C13H9N, denoted form IX, obtained as thin needles by slow evaporation of a toluene solution. The structure was solved and refined from powder X-ray data. The structures of five unsolvated forms were previously known, but this is only the second with one molecule in the asymmetric unit. The melting point [differential scanning calorimetry (DSC) onset] and heat of fusion are 108.8 (3) °C and 19.2 (4) kJ mol−1, respectively.

Влияние условий кристаллизации на спектральные характеристики тонких пленок тетрафенилпорфирина

The goal of this work is to study the processes of self-organization in tetraphenylporphyrin (H_2TPP) films made by condensation under various conditions. Experimental studies of the spectral characteristics of H_2TPP thin films obtained by the liquid method from a H_2TPP toluene solution and by vacuum deposition on different substrates are carried out. It is shown that the structure of the H_2TPP samples changes depending on the technique of synthesis on different substrates, which shows itself in changes (“red” shift) in the photoluminescence and absorption spectra. The changes are caused by a different degree of crystallinity depending on the homogeneity of the surface of the substrates and their temperature.

Hydrotreating of Light Cycle Oil over Supported on Porous Aromatic Framework Catalysts

The hydroprocessing of substituted naphthalenes and light cycle oil (LCO) over bimetallic Ni-W-S and Ni-Mo-S catalysts that were obtained by decomposition of [N(n-Bu)4]2[Ni(MeS4)2] (Me = W, Mo) complexes in situ in the pores of mesoporous aromatic frameworks (PAFs) during the reaction, was studied. The promotion of acid-catalyzed processes by PAF-AlCl3, synthesized by impregnation of a PAF with AlCl3 from its toluene solution, was investigated. It has been found that Ni-W-S catalytic systems were more active in the hydrodearomatization reactions, while Ni-Mo-S catalytic systems were more active in hydrodesulfurization and hydrocracking reactions. The introduction of sulfur into the reaction medium enhanced the activity of the catalysts and the presence of PAF-AlCl3 led to an acceleration of the hydrocracking processes.

pH-Dependent chromogenic properties of an orthogonal metal-C (aryl) bonded azobenzene-rhodium(III) porphyrin conjugate

An orthogonally arranged conjugate comprised of two rhodium(III) tetrakis-4-tolyporphyrins linked with an azobenzene moiety through a covalent Rh-C (aryl) bond has been facilely synthesized and characterized. Although photochemical isomerization of the azobenzene component was not observed, addition of trifluoroacetic acid (TFA) to the conjugate in a toluene solution causes significant colorimetric changes. UV-vis absorption, resonance light scattering (RLS), [Formula: see text]H-NMR and IM-MS spectra were employed to investigate the pH-dependent chromogenic behavior of the triad, which gives a new pathway for construction of pH-dependent assemblies of porphyrin-azobenzene complexes.