Zobrazeno 1 - 10
of 45
pro vyhledávání: '"E. A. Rastorguev"'
Publikováno v:
Russian Journal of Physical Chemistry B. 8:953-957
A new method for the preparation of ionic phosphite ligands is developed. A first example of the use of this type of ligands in the hydroformylation catalyzed by rhodium complexes and conducted in organic solvents, an ionic liquid (IL), and supercrit
Publikováno v:
Russian Chemical Bulletin. 62:1210-1213
Activity of the complex containing both a phosphine and an amidophosphite ligand in the coordination sphere of rhodium was determined for the first time in the hydroformylation of styrene and oct-1-ene in supercritical carbon dioxide and benzene. The
Autor:
E. A. Rastorguev, Vadim A. Davankov, Pavel V. Petrovskii, T. A. Verbitskaya, Sergey E. Lyubimov, Valery N. Kalinin
Publikováno v:
Russian Journal of Physical Chemistry B. 6:883-887
New carborane-containing amidophosphites are synthesized. Their effectiveness as ligands in the Rh-catalyzed hydroformylation of alkenes in supercritical carbon dioxide (SC-CO2) is tested. It is shown that the use of carboranylamidophosphites makes i
Publikováno v:
Russian Chemical Bulletin. 61:2356-2359
Activity of pyrazole ligands in hydroformylation of a number of unsaturated terminal substrates in supercritical carbon dioxide (scCO2) in the presence of Rh-catalyst was studied. The ligands without free NH group at position 1 of the pyrazole ring w
Autor:
Vadim A. Davankov, Alexei A. Shiryaev, O. V. Potapova, I. V. Chuchelkin, I. M. Novikov, Konstantin N. Gavrilov, E. A. Rastorguev, Pavel V. Petrovskii, Sergey V. Zheglov
Publikováno v:
Russian Chemical Bulletin. 61:1925-1932
The synthesis of new P*-mono- and P*,N-bidentate diamidophosphites, containing 1,3,2-diazaphospholidine rings formed starting from (2S,3S)-N 2,3-dimethyl-N 1-phenylpentane-1,2-diamine, is described. Comparison of their efficiency in the Pd-catalyzed
Autor:
Vadim A. Davankov, E. A. Rastorguev, I. V. Chuchelkin, Sergey V. Zheglov, Konstantin N. Gavrilov, Alexei A. Shiryaev, Armin Börner
Publikováno v:
Tetrahedron: Asymmetry. 23:1052-1057
New P,P -bidentate diastereomeric diphosphoramidite chiral ligands with mixed stereogenic elements and a C 1 backbone symmetry have been prepared from ( S a )- and ( R a )-1,1′-binaphthyl-2,2′-diol (BINOL) and ( S )- N -benzyl-1-(pyrrolidin-2-yl)
Autor:
M. G. Maksimova, Vadim A. Davankov, Sergey V. Zheglov, M. N. Gavrilova, E. A. Rastorguev, Konstantin N. Gavrilov, I. M. Novikov, Nikolay N. Groshkin
Publikováno v:
Tetrahedron. 68:1581-1589
Novel P -monodentate phosphite-type ligands have been synthesized in one step from BINOL mono-tosylate and BINOL mono-(−)-menthylcarbonate. The use of these ligands provides up to 96% ee in Pd-catalyzed asymmetric allylic substitution of ( E )-1,3-
Autor:
Pavel V. Petrovskii, Vadim A. Davankov, T. A. Verbitskaya, E. A. Rastorguev, Sergey E. Lyubimov, Valery N. Kalinin
Publikováno v:
Russian Journal of Physical Chemistry B. 5:1130-1134
Allyl amination and alkylation catalyzed by a palladium complex-phosphite-type-ligand catalyst in a supercritical carbon dioxide (SC-CO2) medium is studied. It is demonstrated that that the Pd-containing catalysts dissolved in SC-CO2 provide a high r
Autor:
Nikolay N. Groshkin, M. N. Gavrilova, Vadim A. Davankov, Konstantin N. Gavrilov, I. V. Chuchelkin, E. A. Rastorguev, Sergey V. Zheglov
Publikováno v:
Tetrahedron Letters. 52:5706-5710
A small family of readily available phosphoramidite ligands, including compounds with P ∗ -stereocenters, has been prepared from phenyl-substituted 1,2-diols as simple and cheap starting materials. Using these ligands, up to 84% ee was achieved in
Autor:
I. V. Chuchelkin, Nikolay N. Groshkin, Sergey V. Zheglov, Vadim A. Davankov, Konstantin N. Gavrilov, E. A. Rastorguev, I. M. Novikov
Publikováno v:
Russian Chemical Bulletin. 60:2063-2067
New P,N-bidentate diastereomeric amidophosphite ligands were obtained by phosphorylation of (S)-2-[(phenylamino)methyl]pyrrolidine involving (4S,5S)- and (4R,5R)-2-chloro-4,5-diphenyl-1,3,2-dioxaphospholanes. Their efficiency in the Pd-catalyzed enan