Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Alexander V. Astakhov"'
Autor:
Alexander V. Astakhov, Andrey Yu. Chernenko, Vadim V. Kutyrev, Gleb S. Ranny, Mikhail E. Minyaev, Victor M. Chernyshev, Valentine P. Ananikov
Publikováno v:
Inorganic Chemistry Frontiers. 10:218-239
A facile method for selective N-(hetero)arylation of coordinating 3(5)-amino-1,2,4-triazoles under Pd/NHC catalysis using TPEDO as a new efficient Pd(ii) to Pd(0) reductant has been developed.
Autor:
Alexander V. Astakhov, Zoya A. Starikova, E. V. Tarasova, Victor M. Chernyshev, Victor B. Rybakov, A. V. Chernysheva
Publikováno v:
Russian Chemical Bulletin. 70:1509-1522
The acid-base properties, structures, and tautomerism of protonated and free forms of carboxylic acid guanyl hydrazides (acylaminoguanidines) were studied using experimental and theoretical methods. According to the experimental data, guanyl hydrazid
Autor:
Evgeniy G. Gordeev, Victor N. Khrustalev, Alexander V. Astakhov, Victor M. Chernyshev, Valentine P. Ananikov, Vadim V. Kutyrev, Andrey Yu. Chernenko, Mikhail E. Minyaev, Julia V. Burykina
Publikováno v:
Inorganic Chemistry Frontiers. 8:3382-3401
Complexes of Pd(II) with NHC ligands can suffer facile decomposition in the presence of alkali metal hydroxides, alkoxydes and other strong oxygen-containing bases via the reductive elimination of the NHC and Pd-coordinated base anion, the so-called
Publikováno v:
Russian Chemical Bulletin. 69:2073-2081
A DFT study was carried out of how the nature of metal, the oxidation state of the metal (0 and +2), as well as the structures of N-heterocyclic carbene (NHC) and other ligands influence the heterolytic dissociation energies of the metal-ligand bond
Publikováno v:
Russian Chemical Bulletin. 69:683-690
Catalytic activity of nickel(ii) and palladium(ii) N-heterocyclic carbene (NHC) complexes derived from imidazole, benzimidazole, and 1,2,4-triazole was comparatively evaluated in the cross-coupling reactions of aryl halides with arylboronic acids. Re
Autor:
Alexander V. Astakhov, Victor M. Chernyshev, Victor A. Tafeenko, Dmitry V. Pasyukov, Maxim A. Shevchenko, Oleg V. Khazipov, Andrey Yu. Chernenko, Valentine P. Ananikov
Publikováno v:
Catalysis Science & Technology. 10:1228-1247
Many reactions catalyzed by Pd complexes with N-heterocyclic carbene (NHC) ligands are performed in the presence of amines which usually act as coupling reagents or mild bases. However, amines can react with Pd/NHC complexes in a number of ways: enha
Autor:
Victor M. Chernyshev, Gleb S. Ranny, Il’ya E. Chikunov, Roman V. Tyurin, Victor N. Khrustalev, Alexander V. Astakhov, Valentine P. Ananikov, Dmitry B. Eremin
Publikováno v:
ACS Catalysis. 9:2984-2995
The mercury test is a rapid and widely used method for distinguishing truly homogeneous molecular catalysis from nanoparticle metal catalysis. In the current work, using various M0 and MII complexe...
Autor:
Victor M. Chernyshev, Alexander V. Astakhov, G. S. Ranny, Il’ya E. Chikunov, Viktor A. Tafeenko
Publikováno v:
Russian Chemical Bulletin. 67:2003-2009
A new method for the synthesis of complexes PtIV(NHC)X4L (NHC is N-heterocyclic carbene of imidazole or benzimidazole series; X = Cl, Br; L is N-coordinated pyridine or NHC) based on mechanochemical oxidation of complexes PtII(NHC)X2L with dichloroio
Autor:
M. A. Shevchenko, Alexander V. Astakhov, R. V. Tyurin, Yu. N. Tkachenko, Victor A. Tafeenko, Dmitry V. Pasyukov, O. A. Kravchenko, O. V. Khazipov, Victor M. Chernyshev
Publikováno v:
Russian Chemical Bulletin. 67:1684-1694
Representatives of the new heterocyclic system, pyrimido[5’,4’:3,4]pyrrolo[1,2-f]phenanthridine, were obtained via the intramolecular C–H-arylation of 6-aryl-5-(2-bromophenyl) pyrrolo[3,4-d]pyrimidine-2,4-diones catalyzed by palladium complexes
Autor:
Dmitry V. Pasyukov, Victor M. Chernyshev, A. Yu. Chernenko, Alexander V. Astakhov, Victor A. Tafeenko
Publikováno v:
Russian Chemical Bulletin. 67:1196-1201
The Pd-PEPPSI complexes widely used to catalyze numerous reactions eliminate the pyridine ligand on treatment with protic acids to give binuclear complexes [Pd(NHC)X2]2 with the Pd–X–Pd (X = Cl, Br, I) bridging bonds. The reaction proceeds with h