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Igor A. Khalymbadzha
Researcher at Ural Federal University
Publications - 48
Citations - 314
Igor A. Khalymbadzha is an academic researcher from Ural Federal University. The author has contributed to research in topics: Chemistry & Catalysis. The author has an hindex of 9, co-authored 34 publications receiving 196 citations. Previous affiliations of Igor A. Khalymbadzha include Ural State University & Russian Academy of Sciences.
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Long-range 1H-15N J couplings providing a method for direct studies of the structure and azide-tetrazole equilibrium in a series of azido-1,2,4-triazines and azidopyrimidines.
Tatyana S. Shestakova,Zakhar O. Shenkarev,Sergey L. Deev,Oleg N. Chupakhin,Oleg N. Chupakhin,Igor A. Khalymbadzha,Vladimir L. Rusinov,Alexander S. Arseniev +7 more
TL;DR: The analysis of the J(HN) couplings in (15)N-labeled compounds provides a simple and efficient method for direct NMR studies of the azide-tetrazole equilibrium in solution.
Journal ArticleDOI
Nucleophilic substitution of hydrogen–the Boger reaction sequence as an approach towards 8-(pyridin-2-yl)coumarins
Ramil F. Fatykhov,Maria I. Savchuk,Ekaterina S. Starnovskaya,Maria V. Bobkina,Dmitry S. Kopchuk,Dmitry S. Kopchuk,Emiliya V. Nosova,Emiliya V. Nosova,Grigory V. Zyryanov,Grigory V. Zyryanov,Igor A. Khalymbadzha,Igor A. Khalymbadzha,Oleg N. Chupakhin,Oleg N. Chupakhin,Valery N. Charushin,Valery N. Charushin,Viktor G. Kartsev +16 more
TL;DR: In this article, the Boger transformation of formed triazine moiety into the pyridine one was proposed, which achieved high yields and the absence of transition-metal catalysts.
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2-Aminooxazoles as novel dienophiles in the inverse demand Diels–Alder reaction with 1,2,4-triazines
Alexey P. Krinochkin,Alexey P. Krinochkin,Guda Mallikarjuna Reddy,Dmitry S. Kopchuk,Dmitry S. Kopchuk,Pavel A. Slepukhin,Pavel A. Slepukhin,Yaroslav K. Shtaitz,Igor A. Khalymbadzha,Igor A. Khalymbadzha,Igor S. Kovalev,Grigory A. Kim,Grigory A. Kim,I. N. Ganebnykh,Grigory V. Zyryanov,Grigory V. Zyryanov,Oleg N. Chupakhin,Oleg N. Chupakhin,Valery N. Charushin,Valery N. Charushin +19 more
TL;DR: In this paper, the inverse demand Diels-Alder reaction between the oxazole moiety as dienophile and the 1,2,4-triazine miety as diene was used to construct new 4,5-diaryl-6-cyano-3-hydroxypyridin-2-yl fragment.
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Stereoselective hetero-Diels–Alder reaction of 3-(polyfluoroacyl)chromones with enol ethers. Novel synthesis of 2-RF-containing nicotinic acid derivatives
TL;DR: In this paper, 3.3-(Polyfluoroacyl)chromones undergo heterodiene cycloaddition to 3,4-dihydro-2H-pyran, 2,3-dimethyl-furan and ethyl vinyl ether under mild conditions, producing novel fused pyrans with high stereoselectivity and in good yields.
Journal ArticleDOI
Spin-spin coupling constants 13C-15N and 1H-15N in the investigation of azido-tetrazole tautomerism in a series of 2-azidopyrimidines
Igor A. Khalymbadzha,Tatyana S. Shestakova,Sergey L. Deev,Vladimir L. Rusinov,O. N. Chupakhin,O. N. Chupakhin,Zakhar O. Shenkarev,Alexander S. Arseniev +7 more
TL;DR: In this paper, a new method was developed for the investigation of an azido-tetrazole equilibrium based on using a complex analysis of 13C-15N and 1H 15N spin-spin coupling constants.