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A new approach to the synthesis of phosphoranes based on the reaction of benzo[d]-1,3,2-dioxaphospholes, having β- or γ-unsaturated group in a substituent, with compounds containing multiple bonds

Mironov V.; Abdrakhmanova L.; Dimukhametov M.; Burnaeva L.; Kotorova Y.; Konovalova I. (2008)

We developed a new approach to the synthesis of phosphoranes and carba phosphatranes on the basis of the reaction of benzo[d]-1,3,2-dioxaphospholes, having β- or γ-unsaturated group in a substituent, with such compounds ...
Complexation of thiacalix[4]arene methylphosphonic and sulphonic acids with amino acids

Kalchenko O.; Drapailo A.; Shishkina S.; Shishkin O.; Kharchenko S.; Gorbatchuk V.; Kalchenko V. (2013)

In this paper, host-guest complexation process of thiacalix[4]arene tetrakis-methylphosphonic and tetrakis-sulphonic acids with amino acids by HPLC and molecular modelling methods has been studied. It was shown that ...
Evaluation of angularly condensed diquinothiazines as potential anticancer agents

Jeleń M.; Pluta K.; Latocha M.; Morak-Młodawska B.; Suwińska K.; Kuśmierz D. (2019)

© 2019 We present efficient synthesis of isomeric types of angularly fused diquinothiazines in the reactions of 2,2′-dichloro-3,3′-diquinolinyl disulfide and diquinodithiin with 3-, 5-, 6- and 8-aminoquinolines. The ...
Highly efficient phosphine-catalyzed routes to α-imidoacrylates and 2,3-diimidopropanoates

Il’in A.V.; Gubaev A.F.; Islamov D.R.; Islamov K.R.; Galkin V.I. (2021)

[Figure not available: see fulltext.] The highly efficient α- and vicinal bis-addition of cyclic imides to methyl propiolate in high yields and β-addition of these imides to α-imidoacrylates in quantitative yields is ...
Mineral indicators of percolation effects in production of oil-saturated reservoir

Krinari G.; Eskin A.; Korolev E.; Eskina G. (2016)

In the simultaneous filtration of the water and oil in a reservoir each of the phases is moved on the microlevel by their local channels. Herewith, percolation effects can begin when blocking of traffic through various ...
Mixed-Layer clay minerals as indicator of diagenesis processes in oil bearing rocs

Krinari G. (2014)

To optimize oil production technologies must take account of the extent and causes of secondary changes of structures of illite-smectite phase in oil bearing rocs as result of diagenesis processes, but ordinary relation ...
Mononuclear Mn(II), Co(II), and Cu(II) pivalates

Fursova E.; Romanenko G.; Sagdeev R.; Ovcharenko V. (2014)

Mononuclear Mn(II), Co(II), and Cu(II) pivalates were synthesized for the first time. They were isolated as salts with a composition NBu 4[MPiv3], where Piv is the pivalate anion. In the structure of the [MnPiv3] and ...
Phosphine-catalyzed addition of P(O)-H compounds to ethyl phenylpropiolate

Salin A.; Il'in A.; Shamsutdinova F.; Fatkhutdinov A.; Galkin V.; Islamov D.; Kataeva O. (2015)

© 2015 Elsevier Ltd. An efficient PBu3-catalyzed α-addition of the P(O)-H bond to ethyl phenylpropiolate has been developed. This strategy offers a facile method for the preparation of synthetically useful alkenyl phosphonates ...
Study of the reactivity of organonickel sigma-complexes towards nitriles

Gafurov Z.; Sakhapov I.; Babaev V.; Dobrynin A.; Kurmaz V.; Metlushka K.; Rizvanov I.; Shaikhutdinova G.; Sinyashin O.; Yakhvarov D. (2017)

© 2017, Springer Science+Business Media, LLC. The reactivity of organonickel sigma-complexes of type [NiBr(Ar)(bpy)], where Ar = 2,6-dimethylphenyl (Xyl), 2,4,6-trimethylphenyl (Mes), 2,4,6-triisopropylphenyl (Tipp), ...
The double Smiles rearrangement in neutral conditions leading to one of 10-(nitropyridinyl)dipyridothiazine isomers

Morak-Młodawska B.; Pluta K.; Suwińska K.; Jeleń M. (2017)

© 2016 Elsevier B.V.Phenothiazines are reported to exhibit very promising anticancer, antibacterial, antifungal, anti-inflammatory activities, reversal of multidrug resistance and many other actions. Synthesis of phenotiazines ...
The effect of N-substituent on the relative thermodynamic stability of unionized and zwitterionic forms of α-diphenylphosphino-α-amino acids

Soficheva O.S.; Nesterova A.A.; Dobrynin A.B.; Zueva E.M.; Heinicke J.W.; Sinyashin O.G.; Yakhvarov D.G. (2020)

© 2020 The relative thermodynamic stability of unionized and zwitterionic forms of α-phosphino-α-amino acids is governed by the substituent R at the nitrogen atom, namely, (het)aryl substituents favour the formation of the ...
The pudovik reaction catalyzed by tertiary phosphines

Salin A.; Il'in A.; Shamsutdinova F.; Fatkhutdinov A.; Islamov D.; Kataeva O.; Galkin V. (2016)

© 2016 Bentham Science Publishers.Conjugate addition of dialkyl phosphites and ethyl phenylphosphinate to electron-deficient alkenes containing ester, nitrile or amide group under PBu3 catalysis afforded corresponding ...
The solid-state structures of organic salts formed by calix[4]arene dihydroxyphosphonic acid with nucleic bases cations: adeninium, cytosinium, guaninium and uracilium

Shkurenko A.; Lazar A.; Collard D.; Navaza A.; Kim B.; Tauran Y.; Perret F.; Journet-Gautier C.; Coleman A.; Suwinska K. (2018)

© 2018 Informa UK Limited, trading as Taylor & Francis Group. Calix[4]arene dihydroxyphosphonic acid has been demonstrated to possess an interesting range of biological properties, including atypical anti-cancer activity. ...
Tributylphosphine catalyzed addition of diphenylphosphine oxide to unsubstituted and substituted electron-deficient alkenes

Неизвестный автор (2018)

© 2018 Elsevier Ltd The PBu3-catalyzed conjugate addition of diphenylphosphine oxide to unsubstituted and substituted electron-deficient alkenes is reported. β-Substituted α,β-unsaturated esters, trans-methyl crotonate and ...

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