Search Results - "Shumeiko, A. E."

Reactivity of co-micellar systems based on dimeric functionalized tetraalkylammonium surfactant in phosphoryl and sulfonyl group transfer processes by Prokop’eva, T. M., Kapitanov, I. V., Belousova, I. A., Shumeiko, A. E., Kostrikin, M. L., Serdyuk, A. A., Turovskaya, M. K., Razumova, N. G.

“…The reactivity of co-micellar systems based on dimeric functionalized tetraalkylammonium surfactant in phosphoryl and sulfonyl group transfer processes is…”
Get full text

CALCIUM CHANNEL BLOCKADE AND FUNCTIONAL MICROCIRCULATION CHANGES IN HYPERTENSIVE PATIENTS WITH DIFFERENT INDIVIDUAL AND TYPOLOGICAL CHARACTERISTICS by Vasiliev, A. P., Streltsova, N. N., Shumeiko, E. A.

“…Aim. To identify individual and typological functional features of peripheral blood flow and assess microcirculation (MC) dynamics after a single-dose…”
Get full text

Synthesis of some electron-rich aryl(hetaryl)oxiranes under phase-transfer and homogeneous conditions by Afon’kin, A. A., Kostrikin, M. L., Shumeiko, A. E., Popov, A. F.

“…Reactions of mono-, di-, and trimethoxybenzaldehydes with trimethylsulfonium methyl sulfate readily occur under mild homogeneous and heterogeneous…”
Get full text

Development of a numerical algorithm for solving the problem of processing and determining the basic velocity model by Shumeyko, Alexander E., Tsygankov, Vadim A.

“…This work is devoted to development of an automatic algorithm for determining the velocity model from the data of the field seismic profile. First of all total…”
Get full text

Regioselectivity in azoles alkylation. Benzylation of indazole under conditions of the phase-transfer catalysis by Shumeiko, A. E., Afon’kin, A. A., Pazumova, N. G., Kostrikin, M. L.

Get full text

Variability of the response of the microvascular bed to medicamental vasodilation in patients with arterial hypertension by Vasil'ev, A P, Strel'tsova, N N, Sekisova, M A, Shumeĭko, E A

“…The aim of the work was to estimate changes of microcirculation (MC) in patients with arterial hypertension (AH) with different types of peripheral…”
Get more information

Supernucleophilic systems based on functionalized surfactants in the decomposition of 4-nitrophenyl esters derived from phosphorus and sulfur acids. III. Reactivity of mixed micellar systems based on tetraalkylammonium and imidazolium surfactants by Prokop’eva, T. M., Kapitanov, I. V., Belousova, I. A., Shumeiko, A. E., Kostrikin, M. L., Turovskaya, M. K., Razumova, N. G., Popov, A. F.

“…Reactivity of mixed micellar systems based on the functionalized imidazolium and tetraalkylammonium surfactanats in the reaction of cleavage of 4-nitrophenyl…”
Get full text

Supernucleophilic systems based on functionalized surfactants in the decomposition of 4-nitrophenyl esters derived from phosphorus and sulfur acids: II. Influence of the length of hydrophobic alkyl substituents on micellar effects of functionalized monomeric and dimeric imidazolium surfactants by Kapitanov, I. V., Belousova, I. A., Shumeiko, A. E., Kostrikin, M. L., Prokop’eva, T. M., Popov, A. F.

“…New dimeric functionalized surfactants, 3,3′-[2-(hydroxyimino)propan-1,3-diyl]bis(1-alkyl-1 H -imidazol-3-ium) dichlorides (Alk = C 12 H 25 , C 14 H 29 , C 16…”
Get full text

6,7-Dimethoxy-3,4-dihydroisoquinolin-1(2H)-ylidenoacetonitrile in some fusion reactions by Afon’kin, A. A., Kostrikin, M. L., Shumeiko, A. E., Popov, A. F.

“…6,7-Dimethoxy-3,4-dihydroisoquinolin-1-ylacetonitrile in the enamine form readily reacts with acyl iso(thio)cyanates affording in high yields 1,2-fused oxo-…”
Get full text

Supernucleophilic systems based on functionalized surfactants in the decomposition of 4-nitrophenyl esters derived from phosphorus and sulfur acids: I. Reactivity of a hydroxyimino derivative of gemini imidazolium surfactant by Kapitanov, I. V., Belousova, I. A., Shumeiko, A. E., Kostrikin, M. L., Prokop’eva, T. M., Popov, A. F.

“…A new functionalized gemini surfactant, 3,3′-[2-(hydroxyimino)propane-1,3-diyl]bis(1-dodecyl-1 H -imidazol-3-ium) dichloride, and its non-micelle-forming…”
Get full text

Regio- and stereoselective methods for the conversion of (2S,3R)-β-phenylglycidic acid esters to taxoids and other enantiopure (2R,3S)-phenylisoserine esters by Afon’kin, A. A., Kostrikin, L. M., Shumeiko, A. E., Popov, A. F., Matveev, A. A., Matvienko, V. N., Zabudkin, A. F.

“…A novel efficient method was proposed for the synthesis of enantiopure precursors of taxane-containing cytostatics, i.e. , methyl esters of (2 R ,3 S )- and (2…”
Get full text

Change of topology of the chemical interaction stage as a tool for the stereoselectivity control of PTC reactions by Afon'kin, A. A., Shumeiko, A. E., Popov, A. F.

Get full text

Reactivity of functional detergents with a pyridine ring and an α-nucleophile fragment in the head group by Belousova, I. A., Kapitanov, I. V., Shumeiko, A. E., Mikhailov, V. A., Razumova, N. G., Prokop’eva, T. M., Popov, A. F.

“…Functional detergents (FD) based on pyridine and containing aldoximate, ketoximate, and hydroxamate groups were synthesized. Their reactivity in FD/CTAB…”
Get full text

Role of the hydrophobic properties of functional detergents on micellar effects in the dissociation of environmental toxicants by Belousova, I. A., Kapitanov, I. V., Shumeiko, A. E., Anikeev, A. V., Turovskaya, M. K., Zubareva, T. M., Panchenko, B. V., Prokop’eva, T. M., Popov, A. F.

“…1-Alkyl-3-(2-oximinopropyl)imidazolium chlorides were prepared with different alkyl chain lengths (Alk = C 12 H 25 , C 14 H 29 ). Some physicochemical indices…”
Get full text

Characteristic features of the change in reactivity of supernucleophilic functional surfactants in acyl group transfer processes by Prokop’eva, T. M., Karpichev, E. A., Belousova, I. A., Turovskaya, M. K., Shumeiko, A. E., Kostrikin, M. L., Razumova, N. G., Kapitanov, I. V., Popov, A. F.

“…We consider the factors responsible for the nucleophilicity and micellar effects of surfactants based on imidazole and pyridine, functionalized by an oximate…”
Get full text

Reactivity of micelle-forming 1-alkyl-3(1-oximinoethyl)pyridinium bromides in acyl group transfer reactions by Turovskaya, M. K., Kapitanov, I. V., Belousova, I. A., Tuchinskaya, K. K., Shumeiko, A. E., Kostrikin, M. L., Razumova, N. G., Prokop’eva, T. M., Popov, A. F.

“…The reactivity of a series of micelle-forming 1-alkyl-3-(1-oximinoethyl)pyridinium bromides in the cleavage of typical acyl substrates was studied and…”
Get full text

Structure of the head group, nucleophilicity, and micellar effects of functional detergents in acyl transfer reactions by Belousova, I. A., Kapitanov, I. V., Shumeiko, A. E., Turovskaya, M. K., Prokop’eva, T. M., Popov, A. F.

“…The micellar effects of 1-cetyl-2-methyl-3-(2-hydroxyiminopropyl)imidazolium and 1-cetyl-3-hydroxyiminomethylpyridinium halides in acyl transfer reactions…”
Get full text

Nucleophilicity of functional surface active substances in the transfer of phosphoryl groups by Turovskaya, M. K., Prokop’eva, T. M., Karpichev, E. A., Shumeiko, A. E., Kostrikin, M. L., Savelova, V. A., Kapitanov, I. V., Popov, A. F.

Get full text