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Autor:
Abdel Majid A. Adam, Moamen S. Refat, Ivo Grabchev, Hosam A. Saad, Tariq Altalhi, R. A. Althobaiti, Samy M. El-Megharbel
Publikováno v:
Russian Journal of General Chemistry. 90:2394-2399
The increased use of benzanthrone-based fluorescent dyes in industry and medicine, has stimulated our attempts to extend the scope of these dyes to capturing environmentally hazardous metal ions. For this purpose, a 3-azomethine benzanthrone-based fl
Publikováno v:
Russian Journal of General Chemistry. 90:994-1001
The kinetics of redox isomerization of ferrocenylcarbenium ions obtained via protonation of ferrocene derivatives with perchloric acid in dioxane has been studied by means of electron absorption spectroscopy method from accumulation of ferrocenium ca
Publikováno v:
Russian Journal of General Chemistry. 89:619-625
Types of dimers of aluminum and cobalt complexes of tetraanthraquinoneporphyrazines were identified. Thermodynamic characteristics of dissociation of the dimers in aqueous media were obtained. The kinetics of the deactivation of the triplet state of
Autor:
R. S. Shamsiev, F. O. Danilov
Publikováno v:
Kinetics and Catalysis. 59:333-338
A quantum chemical study of the possible routes of the phenylacetylene (PA) hydrogenation to styrene on a Pd(111) surface is carried out by the DFT-PBE method in the scalar-relativistic approximation. It is shown that the routes associated with the f
Autor:
Tatyana V. Tyumkina, Leonard M. Khalilov, Leila O. Khafizova, L. I. Khusainova, Usein M. Dzhemilev, S. M. Idrisova
Publikováno v:
Kinetics and Catalysis. 58:549-555
A theoretically justified mechanism of transmetalation of 2-alkyl substituted titanacyclopropanes with BCl3 is proposed based on the DFT calculations of the thermodynamic and activation parameters of possible reaction pathways. Based on the data obta
Publikováno v:
Russian Journal of General Chemistry. 87:1782-1785
Features of pyrene fluorescence in a perfluorosulfonic membrane modified by silver confirm the presence of two forms of the metal in it. Fixation of isolated pyrene molecules in the membrane proceeds on planar “near-wall” silver species. The pres
Autor:
E. Yu. Ladilina, Nina N. Peskova, Irina V. Balalaeva, L. G. Klapshina, V. P. Boyarskii, S. A. Lermontova, I. S. Grigor’ev
Publikováno v:
Russian Journal of General Chemistry. 87:479-484
New porphyrazine bases containing peripheral benzyloxyphenyl groups have been synthesized by the template method. The procedure includes condensation of aromatic aldehydes with malononitrile, transformation of arylmethylidenemalononitriles to aryleth
Publikováno v:
Russian Journal of General Chemistry. 86:2301-2306
The composition of coupling products in reaction of arenes with aryl iodides catalyzed with Pt(phen)Cl2, Pt(bipy)Cl2, Pt(py)2Cl2 and K2PtCl4 complexes was studied. Based on quantum-chemical calculations of the charges on platinum atoms, the energies
Autor:
I. V. Eremeev
Publikováno v:
Russian Journal of General Chemistry. 86:1558-1562
Selectivity of action of binary systems based on an organometallic compound and a transition metal compound in a direct synthesis of organometallic compounds via alkylation of metals with organic halides has been considered. Study of the side reactio
Publikováno v:
Russian Journal of General Chemistry. 86:1077-1083
Two types of transformations (the metal complex protonation and oxidation) have been revealed in the ferrocenylmethanol–Н2О2–НХ system (HX = HClO4, CF3COOH) by means of electronic spectroscopy. The efficiency of protonation has been determine