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Showing 1 to 12 of 51 entries
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Six-membered cyclic nitronates as 1,3-dipoles in formal [3 + 3]-cycloaddition with donor-acceptor cyclopropanes. Synthesis of new type of bicyclic nitrosoacetals.

Organic letters

Gorbacheva EO, Tabolin AA, Novikov RA, Khomutova YA, Nelyubina YV, Tomilov YV, Ioffe SL.
PMID: 23293920
Org Lett. 2013 Jan 18;15(2):350-3. doi: 10.1021/ol303292c. Epub 2013 Jan 07.

The first formal [3 + 3]-cycloaddition of nitronates with donor-acceptor cyclopropanes is reported. The reaction is catalyzed by ytterbium trifluoromethanesulfonate and leads to hitherto unknown bicyclic nitrosoacetals, possessing two annelated six-membered rings.

Hexokinase as a versatile molecular genetic marker for Microsporidia.

Parasitology

Tokarev YS, Timofeev SA, Malysh JM, Tsarev AA, Ignatieva AN, Tomilova OG, Dolgikh VV.
PMID: 30319087
Parasitology. 2019 Apr;146(4):472-478. doi: 10.1017/S0031182018001737. Epub 2018 Oct 15.

Hexokinase (HK) is a core glycolytic enzyme of Microsporidia which regulates host cell metabolic processes. The goal of the present study was to test for the utility of HK for molecular phylogenetics, species identification and molecular detection of microsporidia...

Cascade Cleavage of Three-Membered Rings in the Reaction of D-A Cyclopropanes with 4,5-Diazaspiro[2.4]hept-4-enes: A Route to Highly Functionalized Pyrazolines.

The Journal of organic chemistry

Novikov RA, Borisov DD, Zotova MA, Denisov DA, Tkachev YV, Korolev VA, Shulishov EV, Tomilov YV.
PMID: 29873492
J Org Chem. 2018 Aug 03;83(15):7836-7851. doi: 10.1021/acs.joc.8b00725. Epub 2018 Jun 22.

A new cascade process for reactions of donor-acceptor cyclopropanes (DACs) with spiro[cyclopropanepyrazolines] in the presence of EtAlCl

GaCl.

The Journal of organic chemistry

Zotova MA, Novikov RA, Shulishov EV, Tomilov YV.
PMID: 29961314
J Org Chem. 2018 Aug 03;83(15):8193-8207. doi: 10.1021/acs.joc.8b00959. Epub 2018 Jul 10.

A new process of "inverted" formal [3 + 2]-cycloaddition of donor-acceptor cyclopropanes (DACs) to allylic systems to give polyfunctionalized cyclopentanes has been developed. Unlike the classical version of formal [3 + 2]-cycloaddition, a DAC acts in this process as...

The Role of Stem Cells in the Therapy of Stroke.

Current neuropharmacology

Ejma M, Madetko N, Brzecka A, Alster P, Budrewicz S, Koszewicz M, Misiuk-Hojło M, Tomilova IK, Somasundaram SG, Kirkland CE, Aliev G.
PMID: 34365923
Curr Neuropharmacol. 2021 Aug 06; doi: 10.2174/1570159X19666210806163352. Epub 2021 Aug 06.

BACKGROUND: Stroke is a major challenge in neurology due to its multifactorial genesis and irreversible consequences. Processes of endogenous post-stroke neurogenesis, although insufficient, may indicate possible direction of future therapy. Multiple research considers stem-cell-based approaches in order to maximize...

Three-Component Gallium(III)-Promoted Addition of Halide Anions and Acetylenes to Donor-Acceptor Cyclopropanes.

Angewandte Chemie (International ed. in English)

Novikov RA, Borisov DD, Tarasova AV, Tkachev YV, Tomilov YV.
PMID: 29897640
Angew Chem Int Ed Engl. 2018 Aug 06;57(32):10293-10298. doi: 10.1002/anie.201803541. Epub 2018 Jul 17.

A new strategy for the three-component addition of halide anions and acetylenes to donor-acceptor cyclopropanes (DACs) is presented. This reaction, which occurs with high E selectivity, is promoted by gallium(III) salts and based on the 1,2-zwitterionic reactivity of DACs....

(2-Fluoroallyl)boration of Ketones with (2-Fluoroallyl)boronates.

The Journal of organic chemistry

Novikov MA, Bobrova AY, Mezentsev IA, Medvedev MG, Tomilov YV.
PMID: 32309945
J Org Chem. 2020 May 15;85(10):6295-6308. doi: 10.1021/acs.joc.9b03445. Epub 2020 May 05.

Efficient routes toward activation of

GaCl3 -Mediated Reactions of Donor-Acceptor Cyclopropanes with Aromatic Aldehydes.

Angewandte Chemie (International ed. in English)

Borisov DD, Novikov RA, Tomilov YV.
PMID: 27573178
Angew Chem Int Ed Engl. 2016 Sep 26;55(40):12233-7. doi: 10.1002/anie.201603927. Epub 2016 Aug 30.

A new strategy for cascade assembly of substituted indenes and polycyclic lactones based on reactions of donor-acceptor cyclopropanes and styrylmalonates with aromatic aldehydes in the presence of GaCl3 has been developed. The use of GaCl3 makes it possible to...

Interplay between Fungal Infection and Bacterial Associates in the Wax Moth .

Journal of fungi (Basel, Switzerland)

Kryukov VY, Kosman E, Tomilova O, Polenogova O, Rotskaya U, Tyurin M, Alikina T, Yaroslavtseva O, Kabilov M, Glupov V.
PMID: 32927906
J Fungi (Basel). 2020 Sep 10;6(3). doi: 10.3390/jof6030170.

Various insect bacterial associates are involved in pathogeneses caused by entomopathogenic fungi. The outcome of infection (fungal growth or decomposition) may depend on environmental factors such as temperature. The aim of this study was to analyze the bacterial communities...

An example of a possible leech-bryozoan association in freshwater.

ZooKeys

Klass AL, Sokolova SE, Kondakov AV, Bespalaya YV, Gofarov MY, Tomilova AA, Vikhrev IV, Bolotov IN.
PMID: 30416338
Zookeys. 2018 Nov 01;(794):23-30. doi: 10.3897/zookeys.794.28088. eCollection 2018.

Associations of various invertebrate species with bryozoans and sponges are a well-known marine phenomenon but such epizooic communities are far less diverse in freshwater environments. Here an occurrence of numerous leeches Alboglossiphoniacf.papillosa (Braun, 1805), in interstitial spaces between zooids...

Optical readout of controlled monomer-dimer self-assembly.

Dalton transactions (Cambridge, England : 2003)

Tarakanov PA, Tarakanova EN, Dorovatovskii PV, Zubavichus YV, Khrustalev VN, Trashin SA, De Wael K, Neganova ME, Mischenko DV, Sessler JL, Stuzhin PA, Pushkarev VE, Tomilova LG.
PMID: 29664072
Dalton Trans. 2018 Oct 16;47(40):14169-14173. doi: 10.1039/c8dt00384j.

5,7-Substituted 1,4-diazepinoporphyrazine magnesium(ii) complexes were synthesized via Mg(ii)-alkoxide templated macrocyclization. A single crystal growth synchrotron diffraction analysis permitted what is to our knowledge the first structural characterization of a 1,4-diazepinoporphyrazine. It exists as a dimer in the solid state....

Styrylmalonates as an Alternative to Donor-Acceptor Cyclopropanes in the Reactions with Aldehydes: A Route to 5,6-Dihydropyran-2-ones.

Organic letters

Borisov DD, Novikov RA, Eltysheva AS, Tkachev YV, Tomilov YV.
PMID: 28661160
Org Lett. 2017 Jul 21;19(14):3731-3734. doi: 10.1021/acs.orglett.7b01556. Epub 2017 Jun 29.

A new strategy for modifying the reactivity of donor-acceptor cyclopropanes (DAC) has been suggested. It involves the use of isomeric styrylmalonates as alternative sources of reactive intermediates. The efficiency of the approach has been demonstrated in reactions with aromatic...

Showing 1 to 12 of 51 entries