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Using the Ni-[(benzylprolyl)amino]benzophenone complex in the Glaser reaction for the synthesis of bis α-amino acids

Autor: Anna S. Tovmasyan, V. I. Maleev, Liana A. Hayriyan, Ani J. Karapetyan, Anna F. Mkrtchyan, Victor N. Khrustalev, Avetis H. Tsaturyan, Ashot S. Saghyan

Publikováno v: New Journal of Chemistry. 44:11927-11932

New different-structure enantiomerically enriched tailor-made (S)-α-amino acids were obtained through the cross-coupling reactions of Glaser. As the initial complexes, the Schiff base Ni(II) complexes of the chiral auxiliary (S)-BPB (BPB (N-benzyl p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ac4b6684b79c617e384aec33654ac6fe
https://doi.org/10.1039/d0nj02072a

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4-[18F]Fluoroglutamic Acid (BAY 85-8050), a New Amino Acid Radiotracer for PET Imaging of Tumors: Synthesis and in Vitro Characterization

Autor: P. August Schubiger, Luiz Lehmann, Mathias Berndt, Keith Graham, Ludger Dinkelborg, O. F. Kuznetsova, V. I. Maleev, Andre Mueller, Simon M. Ametamey, Matthias Friebe, Yuri N. Belokon, Linjing Mu, Raisa Krasikova, Norman Koglin, Olga S. Fedorova

Publikováno v: Journal of Medicinal Chemistry. 54:406-410

There is a high demand for tumor specific PET tracers in oncology imaging. Besides glucose, certain amino acids also serve as energy sources and anabolic precursors for tumors. Therefore, (18)F-labeled amino acids are interesting probes for tumor spe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28074931179215c0a385f919dd8eba75
https://doi.org/10.1021/jm101068q

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Synthesis of novel chiral NiII complexes of dehydroalanine Schiff bases and their reactivity in asymmetric nucleophilic addition reactions. Novel synthesis of (S)-2-carboxypiperazine

Autor: Luiza L. Manasyan, V. I. Maleev, Arpine V. Geolchanyan, Henry A. Panosyan, Tatiana F. Savel'eva, Lala A. Stepanyan, Hrant R. Ajvazyan, Ashot S. Saghiyan, Silva M. Djamgaryan

Publikováno v: Tetrahedron: Asymmetry. 21:2638-2645

New chiral NiII complexes of Schiff bases of dehydroalanine with modified chiral auxiliaries (S)-2-N-[N′-(3,4-dichlorobenzyl)prolyl]aminobenzophenone (3,4-DCBPB), (S)-2-N-[N′-(3,4-dimethylbenzyl)prolyl]aminobenzophenone (3,4-DMBPB), (S)-2-N-[N′

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::29b975fc4679814eb952055be040fde3
https://doi.org/10.1016/j.tetasy.2010.10.015

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Potassium and silver chiral cobaltate(III) complexes as precatalysts for asymmetric C–C bond formation

Autor: Dimitri A. Kataev, T. F. Savel'eva, Michael North, Ivan A. Godovikov, Yuri N. Belokon, Ilya. L. Mal’fanov, A. G. Bulychev, Konstantin A. Lyssenko, Margarita A. Moskalenko, V. I. Maleev, Tat’yana V. Skrupskaya

Publikováno v: Tetrahedron: Asymmetry. 19:822-831

Chiral, coordinatively-saturated cobaltate(III) complexes of Schiff bases obtained from salicylaldehyde and the optically active amino acids, ( S )-Val, ( S )-Thr, and ( S )-Trp, are formed as C 2 -symmetrical, octahedral, anionic Λ( S , S )-, and �

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dfc3e353e489134aa74316cd0faf4e1a
https://doi.org/10.1016/j.tetasy.2008.03.010

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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

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Novel modified chiral NiII complexes with the Schiff bases of (E)-and (Z)-2-aminobut-2-enoic acids: Synthesis and study

Autor: L. L. Manasyan, A. A. Petrosyan, Satenik G. Petrosyan, V. I. Maleev, Viktor N. Khrustalev, A. S. Saghiyan, Slavik A. Dadayan

Publikováno v: Russian Chemical Bulletin. 55:442-450

NiII complexes with the Schiff bases of (E)-and (Z)-2-aminobut-2-enoic acids were obtained with (S)-N-(2-benzoylphenyl)-1-(2-chlorobenzyl)pyrrolidine-2-carboxamide and (S)-N-(2-benzoylphenyl)-1-(3,4-dimethylbenzyl)pyrrolidine-2-carboxamide as new chi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::342b3a09f448bed826a3c7059dc1ece2
https://doi.org/10.1007/s11172-006-0276-1

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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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Asymmetric synthesis of (R)-S-(1,2,4-triazol-3-yl)cysteines by nucleophilic addition of triazolethiols to a NiIIcomplex with a chiral dehydroalanine Schiff base

Autor: T. V. Kochickyan, L. L. Manasyan, Slavik A. Dadayan, Yu. N. Belokon, Vitali I. Tararov, V. S. Harutyunyan, A. S. Saghiyan, N. R. Martirosyan, Arpine V. Geolchanyan, G. M. Mkrtchyan, V. I. Maleev, A. A. Avetisyan

Publikováno v: Russian Chemical Bulletin. 53:932-935

An efficient method was developed for the asymmetric synthesis of (R)-S-(1,2,4-triazol-3-yl)cysteines by the addition of 3,4-disubstituted 1,2,4-triazole-5-thiols at the electrophilic C=C bond in a NiII complex of a Schiff base of dehydroalanine with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::77a4c5ad68c12ff2c3682953b4fc6a50
https://doi.org/10.1023/b:rucb.0000037866.13065.c7

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[Untitled]

Autor: Viktor N. Khrustalev, A. S. Saghiyan, Yu. N. Belokon, A. A. Petrosyan, T. F. Savel\\'eva, Nikolai S. Ikonnikov, V. I. Maleev, A. S. Peregudov

Publikováno v: Russian Chemical Bulletin. 51:1593-1599

The synthesis of new chiral auxiliaries (S)-N-(2-benzoylphenyl)-1-(3,4-dichlorobenzyl)-pyrrolidine-2-carboxamide (1a), (S)-N-(2-benzoylphenyl)-1-(pentafluorobenzyl)pyrrolidine-2-carboxamide (1b), and (S)-N-(2-benzoylphenyl)-1-(4-isopropoxytetrafluoro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9af178fba069ece4e8f8fe94ab5b4338
https://doi.org/10.1023/a:1020952115556

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ChemInform Abstract: Synthesis of 2-Cyanoacryloyl Chloride and Its Interaction with O- and S-Nucleophiles

Autor: V. A. Dyatlov, I. R. Rustamov, V. I. Maleev, Yuri G. Gololobov, Vyacheslav V. Kireev, T. A. Grebeneva

Publikováno v: ChemInform. 45

Oxalyl chloride is shown to be the best chlorinating agent for the synthesis of title compound (II) which is used for the preparation of esters (VII) and (IX).

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a928a0a057df7132c9a75138292eb918
https://doi.org/10.1002/chin.201416058

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