Главная
→
Просмотр по теме

Просмотр по теме "Diels-Alder reaction"

Отображаемые элементы 1-12 из 12

Anomalies in the change of volumetric parameters of the Diels-Alder reaction in solution

Kiselev V.; Bolotov A.; Shakirova I.; Kashaeva H.; Potapova L.; Konovalov A. (2012)

In this article negative values of the activation volume in retro-Diels-Alder reactions are interpreted in terms of the different possibilities of penetration of the solvent molecules into the sterically branched structures ...
Diels-Alder reaction between naphthalene and N-phenylmaleimide under mild conditions

Kiselev V.; Kashaeva E.; Potapova L.; Iskhakova G. (2004)

The rate and equilibrium constants for the Diels-Alder reactions between benzene or naphthalene and several dienophiles at 25°C were calculated from the data on the ionization potentials of dienes and electron affinity ...
Diels-Alder reaction rate in the solid state and the evidence of the location of molecular complexes between the reagents on the reaction pathway

Kiselev V.D.; Kolesnikova A.O.; Dinikaev I.F.; Shulyatiev A.A.; Klimovitskii A.E.; Kornilov D.A. (2021)

The rate of reactions in the solid phase with uniform grinding of crystals of dienes, anthracene, and 9,10-dimethylanthracene, with dienophiles, tetracyanoethylene, N-phenylmaleimide, and 4-phenyl-1,2,4-triazoline-3,5-dione, ...
Diels-Alder reaction volumes in the solid state and solution

Kiselev V.; Iskhakova G.; Kashaeva E.; Potapova L.; Konovalov A. (2004)

The densities of anthracene, tetracyanoethylene, maleic anhydride, N-phenylmaleineimide, trans, trans-1,4-diphenylbuta-1,3-diene, and their Diels-Alder adducts were measured in the solid state and in solution at 25°C. The ...
Diffusion control of the Diels-Alder reaction rate at elevated pressures

Kiselev V.; Kashaeva E.; Shihab M.; Potapova L.; Iskhakova G. (2004)

The influence of the temperature and external pressure on the rate of the Diels-Alder reaction between 9,10-dimethylanthracene and maleic anhydride was studied in the series of solvents with wide intervals of viscosity ...
Dramatic solvent effect on the volume of the Diels-Alder reaction between tetracyanoethylene and cyclopentadiene

Kiselev V.; Kashaeva E.; Shihab M.; Medvedeva M.; Konovalov A. (2000)

The partial molar volumes (V) and the enthalpies of dissolution (ΔdisH) for tetracyanoethylene, cyclopentadiene, and their Diels-Alder adduct were determined at 25 °C. Eleven solvents of the π and n-donor type were used. ...
Features of the Diels-Alder reaction between 9,10-diphenylanthracene and 4-phenyl-1,2,4-triazoline-3,5-dione

Kiselev V.; Kornilov D.; Kashaeva E.; Potapova L.; Krivolapov D.; Litvinov I.; Konovalov A. (2014)

© 2014 Pleiades Publishing, Ltd. The Diels-Alder reaction between substituted anthracenes 1a-1j and 4-phenyl-1,2,4-triazoline-3,5 (2) is studied. In all cases except one, the reaction proceeds on the most active 9,10-atoms ...
High Pressure, Temperature, and Solvent Effects on the Rate of the Diels-Alder Reaction of Furan with N-Phenylmaleimide

Kornilov D.; Kiselev V.; Anikin O.; Kolesnikova A.; Shulyat’ev A. (2019)

© 2019, Pleiades Publishing, Ltd. The effects of temperature, solvent nature, and high pressure on the rate of the Diels-Alder reaction of furan with N-phenylmaleimide were studied. A weak acceleration of the title reaction ...
Internal and external factors influencing the Diels-Alder reaction

Kiselev V.; Konovalov A. (2009)

The internal and external key factors influencing the reaction rates were considered for the Diels-Alder reaction (DAR) with normal electron demand. A simple dependence lgk2= -28.81+316.3/(IPD=E A-69.9 R1-4/(IPD-EA)-0. ...
Internal and external factors promoting the Diels-Alder reaction

Kiselev V.; Shakirova I.; Konovalov A. (2013)

The basic chemical and physical factors determining the rate and equilibrium of the Diels-Alder reaction under standard and high hydrostatic pressures were considered. The search for favorable conditions for this process ...
Study of all stages of the Diels–Alder reaction of cyclopentadiene with 2,3-dicyano-1,4-benzoquinone and monoadducts: Kinetics, thermochemistry, and high pressure effect

Kolesnikova A.O.; Kornilov D.A.; Gubaidullin A.T.; Kiselev V.D. (2020)

© 2020 Wiley Periodicals, Inc. The kinetic parameters and enthalpies of the Diels–Alder reactions between cyclopentadiene and 2,3-dicyano-1,4-benzoquinone leading to the formation of two different monoadducts and bisadduct ...
Synthesis of benzothiazine sulfonamides via heteroatomic Diels-Alder reaction of para-fluoro-N-sulfinylaniline with bicyclo[2.2.1]heptenes

Veremeichik Y.; Shurpik D.; Lodochnikova O.; Plemenkov V. (2016)

© 2016 Pleiades Publishing, Ltd.Reaction of 4-fluoro-N-sulfinylaniline with norbornene and norbornadiene has afforded the Diels-Alder adducts of benzothiazine structure that have been oxidized into the corresponding ...

Отображаемые элементы 1-12 из 12

Поиск в электронном архиве

Расширенный поиск

Просмотр

Весь электронный архив

Просмотр по теме "Diels-Alder reaction"

Просмотр по теме "Diels-Alder reaction"

Поиск в электронном архиве

Просмотр

Весь электронный архив

Моя учетная запись