Výsledky vyhledávání - "E. V. Vorontsov"

Akademický článek

Phenoxydifluoromethyl Substituted Nitrogen Heterocycles. Synthesis and Heterocyclization Reactions of Ethyl 4,4-Difluoro- 4-phenoxyacetoacetate

Autor: N. D. Chkanikov, E. V. Vorontsov, A. S. Peregudov, S. Yu. Solodukhin

Publikováno v: Molecules, Vol 9, Iss 3, Pp 164-169 (2004)

Ethyl 4,4-difluoro-4-phenoxyacetoacetate was obtained and studied as a precursor to new heterocyclic compounds. 6-Hydroxypyrimidine, 1,3-dihydro-1,5- benzodiazepin-2-one, quinolin-2-one and 6-hydroxypyrazolo[3,4-b]pyridine derivatives containing phen

Externí odkaz: https://doaj.org/article/f44d2ff730454c61b7f7d0df31068f27

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Planar chiral hydroxy derivatives of [2.2]paracyclophane as auxiliaries for asymmetric allylboration

Autor: Zoya A. Starikova, E. V. Vorontsov, N. V. Vorontsova, Valeria I. Rozenberg, R. P. Zhuravsky, Elena V. Sergeeva

Publikováno v: Russian Chemical Bulletin. 56:2225-2231

Allylboronic esters with various structures were synthesized for the first time based on [2.2]paracyclophane derivatives containing one or two hydroxy groups. It was demonstrated that these esters can be used as chiral inductors in the asymmetric all

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a373a4a921651d127100a216f8172e6d
https://doi.org/10.1007/s11172-007-0348-x

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Diastereoselective addition of an NiII complex of a Schiff base of glycine with (S)-2-[N-(N-benzylprolyl)amino]benzophenone to the C=C bond of ethyl α-bromoacrylate

Autor: Viktor N. Khrustalev, Margarita A. Moskalenko, A. S. Sagiyan, D. A. Pripadchev, E. V. Vorontsov, E. P. Babayan, V. I. Maleev, Yu. N. Belokon, T. F. Savel'eva

Publikováno v: Russian Chemical Bulletin. 54:981-987

Diastereoselective synthesis of new NiII complexes of Schiff bases of (S)-2-[N-(N-benzylprolyl)amino]benzophenone with (2S,4R)-4-bromoglutamic, (1S,2R)- and (1S,2S)-1-aminocyclopropane-1,2-dicarboxylic acid monoesters was performed.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::56cd5e752f18780445a6b7c27a1e4cda
https://doi.org/10.1007/s11172-005-0344-y

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Formation of closo-rhodacarboranes containing η2,η3-(CH2=CHC5H6) ligand in the reaction of μ-dichloro-bis[(η4-norbornadiene)rhodium] with nido-dicarbaundecaborates [K][nido-7-R1-8-R2-7,8-C2B9H10]

Autor: Igor T. Chizhevsky, E. V. Vorontsov, I. G. Barakovskaya, Alexander V. Safronov, M. N. Sokolova, Pavel V. Petrovskii

Publikováno v: Russian Chemical Bulletin. 53:1954-1957

The reactions of a complex [(η4-C7H8)RhCl]2 (C7H8 is norbornadiene) with salts of substituted nido-dicarbaundecaborates, [K][nido-7-R1-8-R2-7,8-C2B9H10] (R1 = R2 = H (a); R1 = R2 = Me (b); R1, R2 = 1′,2′-(CH2)2C6H4 (c); R1 = Me, R2 = Ph (d)), in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d454f31030f26aba353a03ddc085fd5d
https://doi.org/10.1007/s11172-005-0055-4

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Nucleophilic addition to an achiral dehydroalanine Schiff base Ni(II) complex as a route to amino acids. A case of stereodetermining asymmetric protonation in the presence of TADDOL

Autor: Albert K. Beck, Dieter Seebach, Ashot S. Sagyan, E. V. Vorontsov, Yuri N. Belokon, Dmitriy A. Pripadchev, Konstantin A. Kochetkov, Viktor N. Chrustalev, Syuzanna R. Harutyunyan, Alexander S. Peregudov

Publikováno v: Arkivoc, 2004(3), 132-150. ARKAT USA INC
ARKIVOC, Vol 2004, Iss 3, Pp 132-150 (2004)

We describe herein the elaboration of a new type of a substrate based on the Ni(II) complex of a Schiff base of dehydroalanine, 1, and Michael addition of nucleophiles to it, leading to the synthesis of racemic α-amino acids. We have also developed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b40465fb1f93366bebe40c558cf38076
https://doi.org/10.3998/ark.5550190.0005.313

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Unexpected formation of clusters with a nortricyclene-containing carborane ligand, 1-( 6-arene)-3-(C7H9CH2O)-isonido-1,2,4-RuC2B8H9, in the reaction of 1,1,3-(PPh3)3-1-H-1,2,4-RuC2B8H9with 2-(hydroxymethyl)norbornadiene in arene solvents

Autor: Vitalii E. Konoplev, F. M. Dolgushin, Dmitrii A. Lemenovskii, I. V. Pisareva, Igor T. Chizhevsky, E. V. Vorontsov

Publikováno v: Russian Chemical Bulletin. 52:2732-2739

Heating of 1,1,3-(PPh3)3-1-H-1,2,4-RuC2B8H9 with 2-(hydroxymethyl)bicyclo[2.2.1]hepta-2,5-diene in arene solvents (benzene, toluene, or mesitylene) unexpectedly afforded the ruthenium arene complexes 1-(η6-arene)-3-(C7H9CH2O)-isonido-1,2,4-RuC2B8H9

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::84683633e2d3a3bedeb336c60fd7fefe
https://doi.org/10.1023/b:rucb.0000019893.92029.55

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A novel class of bidentate ligands with a conformationally flexible biphenyl unit built into a planar chiral [2.2]paracyclophane backbone

Autor: E. V. Vorontsov, R. P. Zhuravsky, Zoya A. Starikova, D. Yu. Antonov, Valeria I. Rozenberg

Publikováno v: Tetrahedron Letters. 44:3801-3804

We report the synthesis of a novel class of planar chiral bidentate aryl[2.2]paracyclophane ligands. For the first time in the [2.2]paracyclophanyl series the Pd-catalyzed Suzuki cross-coupling was employed for the formation of the arylparacyclophany

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::155214de0294cc3545212c13886a98f4
https://doi.org/10.1016/s0040-4039(03)00711-1

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Synthesis, Characterization, and Interconversion of the Rhenium Polyhydrides [ReH3(η4-NP3)] and [ReH4(η4-NP3)]+ {NP3 = tris[2-(diphenylphosphanyl)ethyl]amine}

Autor: Isaac de los Rios, Lorenza Marvelli, Alberto Albinati, Vladimir I. Bakhmutov, E. V. Vorontsov, Evgenii I. Gutsul, Roberto A. Rossi, Claudio Bianchini, Elena S. Shubina, Natalia V. Belkova, Maurizio Peruzzini, Lina M. Epstein, Fabrizio Zanobini

Publikováno v: European Journal of Inorganic Chemistry. 2002:1530-1539

The rhenium(III) dichloride complex [ReCl2(η4-NP3)]Cl (1) was prepared from [ReCl3(CH3CN)(PPh3)2] by treatment with the tripodal tetradentate ligand N(CH2CH2PPh2)3 (NP3) in ethanol. The reaction of 1 with LiAIH4 in THF gave the rhenium(III) trihydri

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https://doi.org/10.1002/1099-0682(200206)2002:6<1530::aid-ejic1530>3.0.co

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[Untitled]

Autor: Yu. N. Bubnov, E. V. Vorontsov, Zoya A. Starikova, N. V. Vorontsova, D. Yu. Antonov, Valeria I. Rozenberg

Publikováno v: Russian Chemical Bulletin. 51:1483-1490

The nucleophilic addition of butyllithium, phenyllithium, methyllithium, and triallylborane to [2.2]paracyclophane-4,7-quinone (1) proceeded regio- and stereospecifically to give the corresponding cis-4,7-disubstituted 4,7-dihydroxy-4,7-dihydro[2.2]p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f5dc4f11821c09ebada514d3098761d9
https://doi.org/10.1023/a:1020915107378

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[Untitled]

Autor: Fedor E. Gostev, V. A. Nadtochenko, A. A. Titov, E. V. Vorontsov, Oleg M. Sarkisov, D. G. Tovbin, Nikolay M. Loim, N. V. Abramova, D. V. Khudyakov

Publikováno v: Russian Chemical Bulletin. 51:986-993

The relaxation of the Q1(π—π*) excited state of the nonprotonated Fc4PH2 and diprotonated Fc4PH4 2+ forms of meso-tetraferrocenylporphyrin was studied by femtosecond laser absorption spectroscopy. Transition from the Q1(π—π*) state to the cha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f3681a48e4e7ea35e3d2514bc073bf10
https://doi.org/10.1023/a:1019657517542

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