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Browsing by Author "Latypov S."

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1,3,2(1,4,2)-Dioxaphosphepins annelated with naphthalene fragment: Synthesis and steric structure

Burnaeva L.; Mironov V.; Abdrakhmanova L.; Gubaidullin A.; Musin R.; Ivkova G.; Litvinov I.; Latypov S.; Balandina A.; Konovalova I. (2007)

Reaction of hexafluoroacetone and chloral with 2-R-naphtho-1,3,2- dioxaphosphorin-4-ones yields 2-R-2,5-dioxo-4,4-bis(trifluoromethyl)naphthol-1, 3,2-and 2-R-2,5-dioxo-3-trichloromethylnaphtho-1,4,2λ5- dioxaphosphepins. ...
Aggregation in a mixture of cetyltrimethylammonium bromide and polyoxyethylene 600 monolaurate solutions

Kharlamov S.; Zhil'tsova E.; Gainanova G.; Kudryavtseva L.; Timosheva A.; Aganov A.; Latypov S. (2006)

Micellization in the cetyltrimethylammonium bromide (CTAB)-polyoxyethylene 600 monolaurate (PL)-chloroform system is studied with dielcometric titration, NMR self-diffusion (2D DOSY), 13C NMR spectroscopy, and light ...
Charge-Transfer Complexes of Linear Acenes with a New Acceptor Perfluoroanthraquinone. The Interplay of Charge-Transfer and F···F Interactions

Kataeva O.; Ivshin K.; Metlushka K.; Latypov S.; Nikitina K.; Zakharychev D.; Laskin A.; Alfonsov V.; Sinyashin O.; Mgeladze E.; Jäger A.; Krupskaya Y.; Büchner B.; Knupfer M. (2019)

© 2019 American Chemical Society. Two charge-transfer bicomponent 1:1 crystals of polycyclic aromatic hydrocarbons (anthracene and tetracene) with a new acceptor molecule (perfluoroanthraquinone) were grown by slow evaporation ...
Combined Use of 2-D NMR Correlation Experiments, GIAO DFT 13C Chemical Shifts and 1-D NOESY Methods in Regioisomeric and Conformational Structure Determination of Cyclophanes in Solution

Latypov S.; Epifanova N.; Popova E.; Vasilevsky S.; Solovieva S.; Antipin I.; Konovalov A. (2011)

The combined application of two-dimensional nuclear magnetic resonance (2-D NMR) correlation experiments and gauge-including atomic orbital (GIAO) 13C NMR chemical shift calculations allowed reliable and simple determination ...
Competitive Hydrogen Bonding and Unprecedented Polymorphism in Selected Chiral Phosphorylated Thioureas

Ivshin K.; Metlushka K.; Zinnatullin R.; Nikitina K.; Pashagin A.; Zakharychev D.V.; Efimova A.; Kiiamov A.; Latypov S.; Kataeva O. (2021)

New racemic and enantiopure N-phosphorylated thioureas bearing 1-phenylethyl or tetrahydronaphthalenyl fragments were synthesized. According to NMR data assisted by DFT calculations, the preferred conformation is stabilized ...
Conformational analysis of MNCB (MBNC) esters and amides: Promising chiral reagents for stereoselective applications

Latypov S.; Aganov A.; Tahara S.; Fukushi Y. (1999)

Calculations (MM, AM1/PM3, ab initio) and DNMR experiments indicate that 2-(2'methoxy-1'-naphthyl)-3,5-dichinrobenzoic acid (MNCB) and 2'-methoxy- 1,1'-binaphthyl-2-carboxylic acid (MBNC) esters and amides exist in solution ...
Conformational diversity and dynamics of distally disubstituted calix and thiacalix[4]arenes in solution

Latypov S.; Kharlamov S.; Muravev A.; Balandina A.; Solovieva S.; Antipin I.; Konovalov A. (2013)

According to the quantum chemical calculations and Dynamic NMR experiments in the distally disubstituted classical and thiacalix[4]arenes (CCA and TCA) in addition to the C2v symmetrical pinched cone (PC) conformation, the ...
Determination of the absolute stereochemistry of alcohols and amines by NMR of the group directly linked to the chiral derivatizing reagent

Latypov S.; Galiullina N.; Aganov A.; Kataev V.; Riguera R. (2001)

NMR experiments and calculations (PM3) indicate that the asymmetry of the substrate (alcohol or amine) leads to the redistribution of the conformer populations of their methoxyphenylacetic acid (MPA) or methoxytrifluorom ...
Determination of the effect of the medium on the thermodynamic parameters of the conformational transformations of 3-substituted 2,4-dithia-3,5-dihydro-1H-cycloocta[d,e]naphthalenes by double fitting of exchange-broadened PMR spectra

Latypov S.; Klochkov V.; Il'yasov A.; Aganov A. (1990)

The thermodynamic parameters of the conformational equilibrium for 3-substituted 2,4-dithia-3,5-dihydro-IH-cycloocta[d,e] naphthalenes in various solvents were obtained by the PMR method with temperature variation. The ...
Effect of solvent on the conformational equilibrium of 2-substituted 5,6-benz-1,3-dithiepins

Klochkov V.; Latypov S.; Yuldasheva L.; Aganov A.; Il'yasov A.; Arbuzov B. (1987)

From an analysis of the variation of1 H NMR spectra with temperature it has been shown that 2-substituted 5,6-benz-1,3-dithiepins exist in solution in the chair-e and boat-e conformations, the equilibrium between which ...
Influence of medium on thermodynamic parameters of conformational conversions of certain partially fixed seven-membered 1,3-heterocycles, as indicated by NMR data

Klochkov V.; Latypov S.; Il'yasov A.; Aganov A. (1990)

It has been shown that the observed differences in enthalpy and entropy between equilibrium states of seven-membered 1,3-heterocycles contained contributions from the temperature dependence of permittivity of the medium. ...
Influence of the solvent on the activation parameters of the conformational conversions of 2-substituted 1, 3-dithia-5,6-benzocycloheptenes

Latypov S.; Klochkov V.; Aganov A.; Il'yasov A.; Arbuzov B. (1989)

The enthalpy and entropy of activation of the chair(e)-boat(e) interconversion for 2-substituted 1,3-dithia-5,6-benzocycloheptenes depend significantly on the type of the solvent, whereby the changes in the enthalpy of ...
Novel self-assembling systems based on amphiphilic phosphonium salt and polyethylene glycol. Kinetic arguments for synergetic aggregation behavior

Vagapova G.; Valeeva F.; Gainanova G.; Syakaev V.; Galkina I.; Zakharova L.; Latypov S.; Konovalov A. (2013)

Structural behavior and catalytic activity toward basic hydrolysis of O-alkyl-O-p-nitrophenyl chloromethyl phosphonates (alkyl=ethyl (S1) and hexyl (S2)) of mixed cetyl triphenyl phosphonium bromide (TPPB)-polyethylene ...
pH-driven variation of the outer-sphere binding mode of cis-[Co(Ad)(en)2Cl]Cl (en-ethylendiamine, ad-adeninate) with p-sulfonatothiacalix[4]arene

Skripacheva V.; Mustafina A.; Burilov V.; Galiullina L.; Latypov S.; Solov'eva S.; Antipin I.; Konovalov A. (2006)

The non-symmetrical cobalt (III) complex cis-[Co(Ad)(en)2Cl]Cl (1Cl), possessing two flexible ethylendiaminate chelate rings (en) and monodentate N(9)-bound adeninate (Ad-) was chosen as the guest of p-sulfonatothiacalix[4]arene ...
Preferential protonation and methylation site of thiopyrimidine derivatives in solution: NMR data

Kozlov A.; Semenov V.; Mikhailov A.; Aganov A.; Smith M.; Reznik V.; Latypov S. (2008)

Protonation (alkylation) sites of several thiopyrimidine derivatives were directly determined by 1H-15N (1H- 13C) heteronuclear single quantum coherence/heteronuclear multiple bond correlation methods, and it was found ...
Quantitative evaluation of the effect of the medium on the thermodynamic parameters of conformational transitions of substituted 1,3-dioxanes in solutions and gases with PMR data

Latypov S.; Klochkov V.; Il'yasov A.; Aganov A. (1991)

It was shown that the reaction field model satisfactorily describes the thermodynamic parameters of conformational equilibrium of 2-acetyl-substituted 1,3-dioxanes both as a function of the properties of the solvent and ...
Self-assembling systems based on amphiphilic alkyltriphenylphosphonium bromides: Elucidation of the role of head group

Gainanova G.; Vagapova G.; Syakaev V.; Ibragimova A.; Valeeva F.; Tudriy E.; Galkina I.; Kataeva O.; Zakharova L.; Latypov S.; Konovalov A. (2012)

A systematic study of the aggregation behavior of alkyltriphenylphosphonium bromides (TPPB-n; n=8, 10, 12, 14, 16, 18; here n is the number of carbon atoms in alkyl groups) in aqueous solutions has been carried out and ...
Soft Nanocontainers Based on Hydroxyethylated Geminis: Role of Spacer in Self-Assembling, Solubilization, and Complexation with Oligonucleotide

Gabdrakhmanov D.; Vasilieva E.; Voronin M.; Kuznetsova D.; Valeeva F.; Mirgorodskaya A.; Lukashenko S.; Zakharov V.; Mukhitov A.; Faizullin D.; Salnikov V.; Syakaev V.; Latypov S.; Zuev Y.; Zakharova L. (2020)

Copyright © 2020 American Chemical Society. Self-organization of hydroxyethylated gemini surfactants with different spacer fragments 16-s-16(OH) (s = 4, 6, 10, and 12) was studied in single solutions and in binary ...
Solution structure and equilibrium of new calix[4]resorcinarene complexes - Prototype of molecular machines. NMR data

Kharlamov S.; Ziganshina A.; Aganov A.; Konovalov A.; Latypov S. (2007)

Association properties and molecular machine application of water soluble calix[4]resorcinarene (1) with two aromatic guests (2-naphthol (2) and 1,5-naphthalenediamine (3)) have been investigated by various NMR methods ...
Steric structure of heterocycles containing phosphorus - 51. Conformational heterogeneity of 4,5;7,8-dibenzo-2-thiono-1,3,2-dioxaphosphocenes

Arshinova R.; Latypov S.; Gnevashev S.; Shakirov I.; Kadyrova V.; Il'yasov A. (1990)

1H and31P dynamic NMR, vibrational spectroscopy, and consideration of dipole moments have shown that 2-chloro-2-thiono-4,5;7,8-dibenzo(4,4′-dimethyl-6,6′-di-tert-butyl)-1, 3,2-dioxaphosphocene and its 2-ethoxy derivative ...

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Browsing by Author "Latypov S."

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