Zobrazeno 1 - 10 of 11 pro vyhledávání: '"Andrey I, Konovalov"'
2
Diastereospecific Gold(I)‐Catalyzed Cyclization Cascade for the Controlled Preparation of N‐ and N,O‐Heterocycles
Autor: Antonio M. Echavarren, Michael E. Muratore, Helena Armengol-Relats, Andrey I. Konovalov
Publikováno v: RECERCAT (Dipòsit de la Recerca de Catalunya)
Recercat. Dipósit de la Recerca de Catalunya
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The reaction of oxime-tethered 1,6-enynes with a cationic gold(I) catalyst demonstrates a great potential for the synthesis of a range of heterocycles in a diastereospecific fashion. The control of the configuration of the oxime and the alkene of the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e491c4453f85c5e426e4c46281b448a9
https://doi.org/10.1002/chem.201802770
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3
On the Structure of [K(crypt-222)]+ CF3−
Autor: Vladimir V. Grushin, Eduardo C. Escudero-Adán, R. L. Harlow, Eddy Martin, William J. Marshall, Andrey I. Konovalov, Fedor M. Miloserdov, Anton Lishchynskyi, Jordi Benet-Buchholz
Publikováno v: Helvetica chimica acta, 101(4)
Helvetica chimica acta 101 (2018) 4
Due to disorder, [K(crypt-222)]+ CF-3 (1) is crystallographically indistinguishable from its isomer, a 1:1 fluoroform clathrate of deprotonated [K(crypt-222)]+, [K(crypt-222{-H+})]·CHF3 (2). In our preceding publications, 1 was characterized on the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::226a5cf99d2afe349daae2a00b29b6ef
https://research.wur.nl/en/publications/on-the-structure-of-kcrypt-222supsup-cf3
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4
Easy Access to the Copper(III) Anion [Cu(CF3)4]−
Autor: Jordi Benet-Buchholz, Andrey I. Konovalov, Andrew M. Romine, Noel Nebra, Eddy Martin, Vladimir V. Grushin
Publikováno v: Angewandte Chemie International Edition. 54:2745-2749
CuCl or pre-generated CuCF3 reacts with CF3 SiMe3 /KF in DMF in air to give [Cu(CF3 )4 ](-) quantitatively. [PPN](+) , [Me4 N](+) , [Bu4 N](+) , [PhCH2 NEt3 ](+) , and [Ph4 P](+) salts of [Cu(CF3 )4 ](-) were prepared and isolated spectroscopically a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a503ee22292c9961d19a3791b75505e1
https://doi.org/10.1002/anie.201411348
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5
Ruthenium-Catalyzed Peri- and Ortho-Alkynylation with Bromoalkynes via Insertion and Elimination
Autor: Antonio M. Echavarren, Eric Tan, Andrey I. Konovalov, Ruth Dorel, Gabriela Araceli Fernandez
Publikováno v: CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Organic Letters
RECERCAT (Dipòsit de la Recerca de Catalunya)
Recercat. Dipósit de la Recerca de Catalunya
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The alkynylation of naphthols takes place with total regiocontrol at the peri position of the hydroxyl group in the presence of [RuCl2(p-cymene)]2 as the catalyst. This reaction features high functional group tolerance. The related ortho-alkynylation
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98bff31cfbc5f7bfe72a7adbc8efb606
http://pubs.acs.org/doi/abs/10.1021/acs.orglett.7b02655
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6
Enantioselective Synthesis of Cyclobutenes by Intermolecular [2+2] Cycloaddition with Non-C
Autor: Cristina, García-Morales, Beatrice, Ranieri, Imma, Escofet, Laura, López-Suarez, Carla, Obradors, Andrey I, Konovalov, Antonio M, Echavarren
Publikováno v: Journal of the American Chemical Society
The enantioselective intermolecular gold(I)-catalyzed [2+2] cycloaddition of terminal alkynes and alkenes has been achieved using non-C2-chiral Josiphos digold(I) complexes as catalysts, by the formation of the monocationic complex. This new approach
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::b48d79c3dc38d1e011c7ee84d274c043
https://pubmed.ncbi.nlm.nih.gov/28922911
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7
Enantioselective Synthesis of Cyclobutenes by Intermolecular [2+2] Cycloaddition with Non‐C2 Symmetric Digold Catalysts
Autor: Carla Obradors, Andrey I. Konovalov, Beatrice Ranieri, Antonio M. Echavarren, Cristina García-Morales, Imma Escofet, Laura López-Suarez
Publikováno v: RECERCAT (Dipòsit de la Recerca de Catalunya)
Recercat. Dipósit de la Recerca de Catalunya
instname
The enantioselective intermolecular gold- (I)-catalyzed [2+2] cycloaddition of terminal alkynes and alkenes has been achieved using non-C2-chiral Josiphos digold(I) complexes as catalysts, by the formation of the monocationic complex. This new approa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::526e8f29434c8a8ab92ff4496b990a4e
https://hdl.handle.net/2072/335516
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8
The Trifluoromethyl Anion : Evidence for [K(crypt-222)]+ CF3−
Autor: Eddy Martin, Jordi Benet-Buchholz, Eduardo C. Escudero-Adán, Anton Lishchynskyi, Andrey I. Konovalov, Vladimir V. Grushin, Fedor M. Miloserdov
Publikováno v: Helvetica chimica acta, 100(4)
Helvetica chimica acta 100 (2017) 4
[K(crypt-222)]+ CF3- (1) and [K(crypt-222)]+ BF4- (3) are isostructural, displaying nearly identical unit cell parameters. The two structures are similar to the extent that the previously reported [K(crypt-222)]+ CF3- model can be refined against the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7f9014e065852d43da20701ed47e8f1
https://doi.org/10.1002/hlca.201700032
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9
The Critical Effect of the Countercation in the Direct Cupration of Fluoroform with [Cu(OR)2]−
Autor: Eddy Martin, Andrey I. Konovalov, Vladimir V. Grushin, Jordi Benet-Buchholz
Publikováno v: Angewandte Chemie. 125:11851-11855
Just a spectator or a key player? The alkali-metal counterion (K(+) ) plays a remarkable key role in the recently discovered cupration reaction of fluoroform with dialkoxycuprates. A total of eight Lewis acid and Lewis base centers synergistically in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12340e7d58bb86339f64bd11de53f091
https://doi.org/10.1002/ange.201306272
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10
The Trifluoromethyl Anion
Autor: Vladimir V. Grushin, Fedor M. Miloserdov, Anton Lishchynskyi, Eduardo C. Escudero-Adán, Eddy Martin, Andrey I. Konovalov, Jordi Benet-Buchholz
Publikováno v: Angewandte Chemie-International Edition 54 (2015) 50
Angewandte Chemie-International Edition, 54(50), 15289-15293
First evidence for the existence of free trifluoromethyl anion CF3 (-) has been obtained. The 3D-caged potassium cation in [K(crypt-222)](+) is inaccessible to CF3 (-) , thus rendering it uncoordinated ("naked"). Ionic [K(crypt-222)](+) CF3 (-) has b
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4d1b59e85a3652b3900c9275cedfaf2
https://research.wur.nl/en/publications/the-trifluoromethyl-anion
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