Výsledky vyhledávání - "Yu. N. Belokon"

A novel type of catalysts for asymmetric oxidative coupling of 2-naphthol

Autor: Yu. N. Belokon, Vladimir A. Larionov, Victor I. Maleev, Svetlana M. Peregudova

Publikováno v: Russian Chemical Bulletin. 65:685-688

Stereochemically inert, positively charged chiral octahedral complexes of CoIII and CrIII were used as catalysts for asymmetric oxidative coupling of 2-naphthol. The reaction product 1,1´-bi-2-naphthol was produced with a yield of up to 74% and enan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c3a40cca368928c5a25dfb557e355dd
https://doi.org/10.1007/s11172-016-1356-5

Zobrazit plný text záznamu

An approach to the asymmetric synthesis of 18F-labeled analog of l-threo-3,4-dihydroxyphenylserine (6-l-threo-[18F]FDOPS) — a new radiotracer for visualization of norepinephrine transporters by positron emission tomography

Autor: Raisa Krasikova, Ch. V. Chang, Viktoriya Orlovskaya, Ch. L. Chen, Yu. N. Belokon, R. Sh. Liu, T. F. Savel'eva, Olga S. Fedorova, Victor I. Maleev

Publikováno v: Russian Chemical Bulletin. 63:1169-1177

An asymmetric synthesis method has been suggested as a feasible approach for the preparation of fluorine-18-labeled (T1/2 110 min) analog of l-threo-3,4-dihydroxyphenylserine, i.e., 6-l-threo-[18F]FDOPS ((2S,3R)-2-amino-3-(2-[18F]fluoro-4,5-dihydroxy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::234fb89664fb6f909f89039697abf6cc
https://doi.org/10.1007/s11172-014-0567-x

Zobrazit plný text záznamu

Asymmetric opening of styrene oxide with p-toluidine catalyzed by BINOL polyols and their lithium complexes

Autor: Alexander S. Peregudov, M. A. Moskalenko, Victor I. Maleev, Yuri V. Samoilichenko, A. T. Tsaloev, Yu. N. Belokon

Publikováno v: Russian Chemical Bulletin. 62:1371-1376

Opening of racemic styrene oxide with p-toluidine catalyzed by chiral BINOL-derived polyols proceeded regioselectively mainly with the formation of 2-phenyl-2-(p-tolylamino)-ethanol with low ee values.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6dfe4cfdaaa88d435fd228cd3d0cbe33
https://doi.org/10.1007/s11172-013-0195-x

Zobrazit plný text záznamu

Phase-transfer enantioselective monoalkylation of prochiral nickel(ii) complexes catalyzed by 3,3′-bis[hydroxy(diphenyl)methyl]-1,1′-binaphthyl-2,23′-diol (BIMBOL) as a route to α-amino acids

Autor: Yu. N. Belokon, M. A. Moskalenko, Ashot S. Saghyan, Victor I. Maleev, Karine V. Hakobyan, Yuri V. Samoilichenko

Publikováno v: Russian Chemical Bulletin. 61:2344-2349

An achiral nickel complex with a Schiff base derived from glycine was alkylated with alkyl halides under conditions of asymmetric phase-transfer catalysis. The chiral tetraol (R)-BIMBOL was employed as a catalyst. The enantiomeric purity of the alkyl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7dded8bededb36e3d3cae678d75116f5
https://doi.org/10.1007/s11172-012-0329-6

Zobrazit plný text záznamu

A novel type of catalysts for the asymmetric C-C bond formation based on chiral stereochemically inert cationic Co-III complexes

Autor: Yu. N. Belokon, Aike Nijland, Ashot S. Saghyan, K. K. Babievsky, Alexander S. Peregudov, Vladimir A. Larionov, Anna F. Mkrtchyan, Victor I. Maleev, N. S. Ikonnikov, Victor N. Khrustalev, Ivan A. Godovikov

Publikováno v: Russian chemical bulletin, 61(12), 2252-2260

Schiff bases derived from (1R,2R)-1,2-diaminocyclohexane and 1 eq. of salycylic (or substituted salycylic) aldehyde form stereochemically inert positively charged chiral octahedral Co iii complexes of Δ-configuration with the stereoselectivity appro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::311853da8fe6a48c8e6b5305900b43d0
https://research.rug.nl/en/publications/6ee64dec-50ef-4599-a619-919a7c38fa9c

Zobrazit plný text záznamu

Asymmetric synthesis of 6-18F-L-FDOPA using chiral Nickel(II) complexes

Autor: T. F. Savel'eva, O. F. Kuznetsova, I. K. Mosevich, Olga S. Fedorova, Yu. N. Belokon, Raisa Krasikova, A. S. Sagiyan, A. A. Petrosyan, Slavik A. Dadayan, V. I. Maleev

Publikováno v: Radiochemistry. 49:512-518

A new procedure was suggested for asymmetric synthesis of of 6-[18F]fluoro-3,4-L-dihydroxyphenylalanine (6-18F-L-FDOPA), an important radiotracer for studies of the dopaminergic system by positron emission tomography (PET). The key step of the synthe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fe23fac18526cc7e8437cfac8b7f7f6c
https://doi.org/10.1134/s1066362207050128

Zobrazit plný text záznamu

Tetraaryl-1,3-dioxolane-4,5-dimethanols as catalysts for the addition of trimethylsilyl cyanide to benzaldehyde and the oxirane ring

Autor: M. A. Moskalenko, Konstantin A. Lyssenko, Yu. N. Belokon, S. Ch. Gagieva, Alexander S. Peregudov, Victor N. Khrustalev, A. T. Tsaloev, Zalina T. Gugkaeva, Victor I. Maleev, A. V. Grachev

Publikováno v: Russian Chemical Bulletin. 56:1507-1514

The synthesis of 1,2-, 1,3-, and 1,4-phenylene-bis[(4R,5R)-4,5-di(hydroxydiphenylmethyl)-1,3-dioxolane]s (ortho-, meta-, and para-bis-(R,R)-TADDOLs) and bis[4-{[(4R, 5R)-4,5-di(hydroxydiphenylmethyl)]-1,3-dioxolan-2-yl}phenyl]methane was carried out.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dcccf4a4d904fcaf15f1c648347c7d54
https://doi.org/10.1007/s11172-007-0233-7

Zobrazit plný text záznamu

Titanium(IV) chloride complexes with chiral tetraaryl-1,3-dioxolane-4,5-dimethanol ligands as a new type of catalysts of ethylene polymerization

Autor: S. Ch. Gagieva, D. Seebach, T. A. Sukhova, Yu. N. Belokon, A. B. Dmitriev, Boris M. Bulychev, N. M. Bravaya, Konstantin A. Lyssenko

Publikováno v: Russian Chemical Bulletin. 54:2348-2353

Titanium complexes of chiral ligands, (4R,5R)-2,2-dimethyl-α,α,α′,α′-tetraphenyl-1,3-dioxolane-4,5-dimethanol and its structural analogs, activated by polymethylalumoxane catalyze ethylene polymerization with an activity from 3 to 530 (kg pol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48ae59c425efda9d6e7df2c75ade8462
https://doi.org/10.1007/s11172-006-0121-6

Zobrazit plný text záznamu

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

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání