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Showing 1 to 12 of 44 entries
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A one-step synthesis of fused pentathiepins.

Chemical communications (Cambridge, England)

Konstantinova LS, Rakitin OA, Rees CW.
PMID: 12109083
Chem Commun (Camb). 2002 Jun 07;(11):1204-5. doi: 10.1039/b203349f.

Treatment of nucleophilic heterocycles like pyrroles and thiophene, and their tetrahydro derivatives, with S2Cl2 and a base in chloroform at room temperature provides a simple one-pot synthesis of heterocyclic fused mono and bis pentathiepins such as 2, 3, 4,...

Abnormally mild synthesis of bis(dithiolo)pyrroles from 2,5-dimethylpyrroles.

Organic letters

Amelichev SA, Aysin RR, Konstantinova LS, Obruchnikova NV, Rakitin OA, Rees CW.
PMID: 16321032
Org Lett. 2005 Dec 08;7(25):5725-7. doi: 10.1021/ol052557v.

[chemical reaction: see text]. Treatment of N-substituted 2,5-dimethylpyrroles 2 with an equilibrated mixture of disulfur dichloride and DABCO in chloroform at 0 degrees C gives pentathiepinopyrroles 3 in moderate yields; further reaction of 3 with the same mixture at...

New genus and species of flea beetles (Coleoptera, Chrysomelidae, Galerucinae, Alticini) from Puerto Rico, with comments on flea beetle diversity in the West Indies and a key to the West Indian Monoplatini genera.

ZooKeys

Konstantinov AS, Konstantinova AA.
PMID: 22291512
Zookeys. 2011;(155):61-87. doi: 10.3897/zookeys.155.2124. Epub 2011 Dec 15.

A new genus (Borinken) and five new species (Borinken elyunque, Distigmoptera chamorrae, Kiskeya elyunque, Ulrica eltoro, and Ulrica iviei) from Puerto Rico are described and illustrated. A keyto all West Indian Monoplatini genera is provided, as are keys to...

New Charge-Transfer Complexes with 1,2,5-Thiadiazoles as Both Electron Acceptors and Donors Featuring an Unprecedented Addition Reaction.

Chemistry (Weinheim an der Bergstrasse, Germany)

Chulanova EA, Pritchina EA, Malaspina LA, Grabowsky S, Mostaghimi F, Beckmann J, Bagryanskaya IY, Shakhova MV, Konstantinova LS, Rakitin OA, Gritsan NP, Zibarev AV.
PMID: 27958639
Chemistry. 2017 Jan 18;23(4):852-864. doi: 10.1002/chem.201604121. Epub 2016 Dec 13.

The design and synthesis of novel charge-transfer (CT) complexes are of interest for fundamental chemistry and applications to materials science. In addition to the recently described first CT complex with both electron acceptor (A) and donor (D) groups belonging...

Antimicrobial and Antifungal Activity of Rare Substituted 1,2,3-Thiaselenazoles and Corresponding Matched Pair 1,2,3-Dithiazoles.

Antibiotics (Basel, Switzerland)

Laitinen T, Baranovsky IV, Konstantinova LS, Poso A, Rakitin OA, Asquith CRM.
PMID: 32630252
Antibiotics (Basel). 2020 Jul 01;9(7). doi: 10.3390/antibiotics9070369.

We report our investigations into the underlying differences between 1,2,3-dithiazole and their ultra-rare counterpart, 1,2,3-thiaselenazole. This rare 1,2,3-thiaselenazole chemotype was afforded by sulfur extrusion and selenium insertion into the preconstructed 1,2,3-dithiazoles. We built a library of matched paired compounds...

Pollution impact on microbial communities composition in natural and anthropogenically modified soils of Southern Russia.

Microbiological research

Sazykina MA, Minkina TM, Konstantinova EY, Khmelevtsova LE, Azhogina TN, Antonenko EM, Karchava SK, Klimova MV, Sushkova SN, Polienko EA, Birukova OA, Mandzhieva SS, Kudeevskaya EM, Khammami MI, Rakin AV, Sazykin IS.
PMID: 34798540
Microbiol Res. 2022 Jan;254:126913. doi: 10.1016/j.micres.2021.126913. Epub 2021 Nov 02.

Metagenomic studies of soil microbocenoses are extremely relevant nowadays. The study of pollution impact on soil microbiomes is of particular interest. The structure of microbial communities in soils with different levels of pollution by polycyclic aromatic hydrocarbons (PAHs) and...

Pentathiepins.

Chemical reviews

Konstantinova LS, Rakitin OA, Rees CW.
PMID: 15137802
Chem Rev. 2004 May;104(5):2617-30. doi: 10.1021/cr0200926.

No abstract available.

Synthesis and Identification of Pentathiepin-Based Inhibitors of .

Antibiotics (Basel, Switzerland)

Asquith CRM, Machado ACS, de Miranda LHM, Konstantinova LS, Almeida-Paes R, Rakitin OA, Pereira SA.
PMID: 31816950
Antibiotics (Basel). 2019 Dec 03;8(4). doi: 10.3390/antibiotics8040249.

No abstract available.

The comparative analysis of the properties and structures of purine nucleoside phosphorylases from thermophilic bacterium .

Journal of biomolecular structure & dynamics

Timofeev VI, Fateev IV, Kostromina MA, Abramchik YA, Konstantinova ID, Volkov VV, Lykoshin DD, Mikheeva OO, Muravieva TI, Esipov RS, Kuranova IP.
PMID: 33225840
J Biomol Struct Dyn. 2020 Nov 23;1-16. doi: 10.1080/07391102.2020.1848628. Epub 2020 Nov 23.

Two recombinant purine nucleoside phosphorylases from thermophilic bacterium

Melamine-Barbiturate Supramolecular Assembly as a pH-Dependent Organic Radical Trap Material.

Chemistry (Weinheim an der Bergstrasse, Germany)

Shilovskikh VV, Timralieva AA, Nesterov PV, Novikov AS, Sitnikov PA, Konstantinova EA, Kokorin AI, Skorb EV.
PMID: 32770588
Chemistry. 2020 Dec 15;26(70):16603-16610. doi: 10.1002/chem.202002947. Epub 2020 Nov 19.

In the last two decades, a large number of self-assembled materials were synthesized and they have already found their way into large-scale industry and science. Hydrogen-bond-based supramolecular adducts are found to have unique properties and to be perfect host...

Anion exchange resins in phosphate form as versatile carriers for the reactions catalyzed by nucleoside phosphorylases.

Beilstein journal of organic chemistry

Artsemyeva JN, Remeeva EA, Buravskaya TN, Konstantinova ID, Esipov RS, Miroshnikov AI, Litvinko NM, Mikhailopulo IA.
PMID: 33133292
Beilstein J Org Chem. 2020 Oct 22;16:2607-2622. doi: 10.3762/bjoc.16.212. eCollection 2020.

In the present work, we suggested anion exchange resins in the phosphate form as a source of phosphate, one of the substrates of the phosphorolysis of uridine, thymidine, and 1-(β-ᴅ-arabinofuranosyl)uracil (Ara-U) catalyzed by recombinant

Complex of Natural Cytokines Regulate Post-Burn Regeneration in Cornea.

Russian journal of immunology : RJI : official journal of Russian Society of Immunology

Gankovskaya LV, Kovalchuk LV, Choroshilova-Maslova IV, Raduigina TV, Ilatovskaya LV, Bachtulova ME, Konstantinova NA.
PMID: 12687086
Russ J Immunol. 1998 Apr;3(1):53-60.

Cytokines form a kind of regulatory net which normal functioning is critical for development of inflammation and regeneration in eye, namely cornea. In connection with this, we studied effects of complex of natural cytokine obtained from pig and comprising...

Showing 1 to 12 of 44 entries