Výsledky vyhledávání - "Nikita M. Ankudinov"

Asymmetric cyclopropanation of electron-rich alkenes by the racemic diene rhodium catalyst: the chiral poisoning approach

Autor: Evgeniya A. Trifonova, Nikita M. Ankudinov, Denis A. Chusov, Yulia V. Nelyubina, Dmitry S. Perekalin

Publikováno v: Chemical Communications. 58:6709-6712

Asymmetric cyclopropanation of alkenes by aryldiazoacetates was achieved using the readily-available racemic (diene)rhodium complex in combination with the chiral oxazoline-phenol ligand, which acts as the chiral poison and selectively inhibits one o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b1ccca2d137c0a106ca8314af013c76
https://doi.org/10.1039/d2cc01648f

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Synthesis of Rhodium Complexes with Chiral Diene Ligands via Diastereoselective Coordination and Their Application in the Asymmetric Insertion of Diazo Compounds into E−H Bonds

Autor: Denis Chusov, Dmitry S. Perekalin, Nikita M. Ankudinov, Yulia V. Nelyubina

Publikováno v: Angewandte Chemie. 133:18860-18868

A new method for the synthesis of chiral diene rhodium catalysts is introduced. The readily available racemic tetrafluorobenzobarrelene complexes [(R2 -TFB)RhCl]2 were separated into two enantiomers via selective coordination of one of them with the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0c99ec673cc553fe356ddc11bc6d06d
https://doi.org/10.1002/ange.202105179

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Planar Chiral Rhodium Complexes of 1,4-Benzoquinones

Autor: Nikita M. Ankudinov, Yulia V. Nelyubina, Dmitry S. Perekalin

Publikováno v: Chemistry (Weinheim an der Bergstrasse, Germany). 28(18)

Diene rhodium complexes are important catalysts in modern organic synthesis. Herein, we report a new approach to such complexes with the uncommon planar chirality. The synthesis is achieved by face-selective coordination of the prochiral 2,5-disubsti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1cd23460743a29e60412db4a84f190b9
https://pubmed.ncbi.nlm.nih.gov/35176185

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Rhodium(III) Complex with a Bulky Cyclopentadienyl Ligand as a Catalyst for Regioselective Synthesis of Dihydroisoquinolones through C−H Activation of Arylhydroxamic Acids

Autor: Dmitry S. Perekalin, Evgeniya A. Trifonova, Mikhail Yu. Sharipov, Yulia V. Nelyubina, Maxim Kozlov, Nikita M. Ankudinov

Publikováno v: Chemistry - A European Journal. 24:16570-16575

Catalytic reaction of arylhydroxamic acids with alkenes represents a convenient method for preparation of biologically active dihydroisoquinolones. Here, the rhodium(III) complex [(C5 H2 tBu2 CH2 tBu)RhCl2 ]2 , which allows one to carry out such reac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a15fc9003892e9fbe9f6aadbdcc62404
https://doi.org/10.1002/chem.201804050

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Cyclobutadiene nickel complex as a catalyst for CH-activation reactions: computational study

Autor: Dmitry S. Perekalin, Nikita M. Ankudinov

Publikováno v: Mendeleev Communications. 29:263-265

DFT calculations suggest that, similarly to the classical [CpRhCl2]2 catalyst, the isolobal cyclobutadiene nickel complex [(C4Me4)NiCl2]2 can promote CH-activation of arenes (activation barrier is about 30 kcal mol−1).

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cbfde665afe8220582e044a3bc1d1347
https://doi.org/10.1016/j.mencom.2019.05.007

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A Planar-Chiral Rhodium(III) Catalyst with a Sterically Demanding Cyclopentadienyl Ligand and Its Application in the Enantioselective Synthesis of Dihydroisoquinolones

Autor: Denis Chusov, Evgeniya A. Trifonova, Dmitry S. Perekalin, Andrey A. Mikhaylov, Yulia V. Nelyubina, Nikita M. Ankudinov

Publikováno v: Angewandte Chemie (International ed. in English). 57(26)

The rapid development of enantioselective C-H activation reactions has created a demand for new types of catalysts. Herein, we report the synthesis of a novel planar-chiral rhodium catalyst [(C5 H2t Bu2 CH2t Bu)RhI2 ]2 in two steps from commercially

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a6c3dd81f95e4b8e566196289e0ec8f
https://pubmed.ncbi.nlm.nih.gov/29624840

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