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Browsing by Author "Fayzullin R.R."

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2,2,2-Trichloro-4-methoxy-1,3,2-benzodioxaphosphole in the reactions with terminal acetylenes

Nemtarev A.V.; Nasibullin I.O.; Fayzullin R.R.; Grigor'eva L.R.; Mironov V.F. (2020)

© 2020 2,2,2-Trichloro-4-methoxy-1,3,2-benzodioxaphosphole reacts with arylacetylenes or 3-chloropropyne to give 2,7-dichloro-5-methoxy-4-aryl(haloalkyl)-1,2-benzoxaphosphinine 2-oxides. Hydrolysis of the latter leads to ...
CHIRALITY-DEPENDENT HYDROGEN BONDING AND ENERGY OF 1-BENZYL-3-BROMO-5-HYDROXY- 4-[(4-METHYLPHENYL)SULFANYL]-1,5-DIHYDRO- 2Н-PYRROLE-2-ONE DIASTEREOMORPHS

Gerasimova D.P.; Saifina A.F.; Zakharychev D.V.; Zaripova A.R.; Fayzullin R.R.; Kurbangalieva A.R.; Lodochnikova O.A. (2021)

Abstract: Two crystalline diastereomorphs of rac-1-benzyl-3-bromo-5-hydroxy-4-[(4-methylphenyl)sulfanyl]-1,5-dihydro-2Н-pyrrole-2-one are obtained and characterized: the racemic compound (P21/c) and the normal conglomerate ...
Comparative analysis of spectral characteristics of signals with smooth envelopes

Fayzullin R.R.; Il'In G.I.; Il'In A.G.; Sychev A.; Il'In V.I. (2021)

This paper is devoted to the study of the issues of choise of envelope of differential binary phase shift keying signal. In this this study we examine three types of envelope: 1) formed by transient process on the output ...
Features of Capacity of Communication Channel with APSK-N signals, which Implements the Theory of Resolution Time

Lerner I.M.; Manerov M.A.; Fayzullin R.R.; Chernyvskii S.M.; Il'in V.I. (2020)

© 2020 IEEE. The paper analyzes the features that arise in the process of information transmition using a multi-position amplitude-phase-shift signal with N discrete states through a nonparametric, frequency-selective ...
Formation of a competency model in teaching students of technical universities with hearing impairment, which implements a conveyor-based approach to learning

Fayzullin R.R.; Lerner I.M.; Solodukho N.M.; Dymkova S.S.; Il’in V.I. (2021)

At that moment, modern pedagogy is faced with the need to ensure high-quality and affordable higher technical education in the face of new challenges (the need to obtain it through remote technologies; the growing shortage ...
Packing Polymorphism on the Example of 5-Hydroxy-1-(4-Methylbenzyl)-3-Chloro-4-[(4-Chlorophenyl)Sulfanyl]-1,5-Dihydro-2H-Pyrrol-2-One: A Crystallographic, Thermochemical, and Spectroscopic Study

Gerasimova D.P.; Saifina A.F.; Zakharychev D.V.; Vandyukova I.I.; Fayzullin R.R.; Kurbangalieva A.R.; Lodochnikova O.A. (2020)

© 2020, Pleiades Publishing, Ltd. Two packing polymorphs of 5-hydroxy-1-(4-methylbenzyl)-3-chloro-4-[(4-chlorophenyl)sulfanyl]-1,5-dihydro-2H-pyrrol-2-one are studied by single-crystal and powder X-ray diffraction, IR ...
Peculiarities of Instantaneous Frequency and Envelope of CFSKn-n-Signal in the Channel with Memory

Fayzullin R.R.; Lerner I.M.; Odintsov V.L.; Il'in V.I.; Garifullina G.A. (2021)

The article is dedicated to the study of peculiarities of the behavior of the envelope and instantaneous frequency of the CFSK-n-signal at the output of channel with memory caused by it frequency selective properties. New ...
Reaction of R-pulegone with P–H phosphonium salts

Shemakhina M.E.; Nemtarev A.V.; Fayzullin R.R.; Khasiyatullina N.R.; Grigor'eva L.R.; Mironov V.F. (2020)

© 2020 The reaction of the R-pulegone with P–H-phosphonium salts gives the corresponding 8-phosphonio-p-menthan-3-one salts with high regio- and stereoselectivity. The structure of salts was determined by NMR and IR ...
Synthesis of racemic P-chiral phosphine oxides and phosphonium salts by stepwise reaction of phosphacoumarins with organomagnesium compounds

Tatarinov D.A.; Kuznetsov D.M.; Fayzullin R.R.; Mironov V.F. (2020)

© 2020 Elsevier B.V. A new effective synthetic route to the racemic phosphine oxides and phosphonium salts with a P-asymmetric center was developed based on the stepwise reaction of phosphacoumarins with organomagnesium ...
The second example of doubly enantiophobic behavior during crystallization: a detailed crystallographic, thermochemical and spectroscopic study

Gerasimova D.P.; Saifina A.F.; Zakharychev D.V.; Fayzullin R.R.; Kurbangalieva A.R.; Lodochnikova O.A. (2021)

Herein we have found a second example of doubly enantiophobic behavior during the crystallization ofrac-1-benzyl-3-chloro-4-[(4-chlorophenyl)sulfanyl]-5-hydroxy-1,5-dihydro-2H-pyrrol-2-one,i.e., the formation of two ...
To software implementation of Sharapov's analytical method for estimating the parameters of a frequency mixture without combination frequencies and solving optimization problem

Lerner I.M.; Fayzullin R.R.; Falakhieva E.R.; Pankratov N.; Il'In V.I. (2021)

The paper presents key aspects that allow for the first time to algorithmize Sharapov's analytical method for evaluating the parameters of transformation zones taking into account the combinational interfering frequencies ...
To the formation of principles of symbol synchronization in ReDTS, implementing the principles of the theory of resolution time

Lerner I.M.; Il'In G.I.; Il'In A.G.; Fayzullin R.R.; Il'In V.I. (2021)

This paper is devoted to the study of the issues of symbol synchronization in communication systems that transmit the data at a rate faster than the Nyquist rate using principles of the theory of resolution time. The study ...
To the Matter of Implementation of Radio Engineering Data Transmission System with APSK-N-signal based on the Theory of Resolution Time

Lerner I.M.; Fayzullin R.R.; Il’in V.I.; Garifullina G.A. (2021)

The paper is dedicated to solution the problem related to the practical implementation of a radio engineering data transmission system which is based on the theory of resolution time, in which amplitude-phase shift signals ...

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Browsing by Author "Fayzullin R.R."

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