3 article(s) from Shishkin, Oleg V
Aminoazoles in GBB-3CR and Ugi-4CR.
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Reactivity of 5-amino-N-aryl-1H-pyrazole-4-carboxamide and 3-amino-5-methylisoxazole in GBB-3CR and...
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Alternative structures A and B for compounds 4 and 6.
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Selected data of HSQC and HMBC experiments for compound 4a.
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Molecular structure of 3-(tert-butylamino)-2-(4-chlorophenyl)-N-(4-fluorophenyl)-1H-imidazo[1,2-b]p...
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Selected data of NOE and HSQC experiments for compound 9d.
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Molecular structure of N-(2-(tert-butylamino)-1-(4-chlorophenyl)-2-oxoethyl)-N-(5-methylisoxazol-3-...
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Beilstein J. Org. Chem. 2017, 13, 1050–1063, doi:10.3762/bjoc.13.104
Some three-component reactions involving N-aryl-3-oxobutanamides.
Some Biginelli-type three-component condensations with salicylaldehyde.
Three-component heterocyclization of 5-amino-3-methylisoxazole (1), salicylaldehyde (2) and N-(2-me...
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The possible structure of an intermediate complex in reactions forming the heterocycles 6.
Possible pathways for the three-component reaction of 5-amino-3-methylisoxazole (1), salicylaldehyd...
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Alternative structures 5a and 5'a for dihydroisoxazolopyridine 5a and selected NOESY correlations.
Alternative structures 6a, 6'a and 6''a for compound 6a.
Selected data from NOESY experiments and relative stereochemistry of stereogenic centers at positio...
Molecular structure of compound 6a according to X-ray diffraction data.
Beilstein J. Org. Chem. 2014, 10, 3019–3030, doi:10.3762/bjoc.10.320
The NOE correlations of the signals in 1H NMR spectra of compounds 4b–4d.
Molecular structure of spirooxindole 4a according to X-ray diffraction data.
The NOE correlations of the signals in 1H NMR spectrum of compound 6c.
Molecular structure of spirooxindole 6a observed in crystal phase as solvate with methanol accordin...
The mechanism of the regioselective synthesis of compounds 4 and 6.
Conformations of acrylamide and benzoylacrylic acid.
The Fukui function indices of acrylamide, azomethine ylide and benzoylacrylic acid.
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The synthesis of compounds 7a–7c.
The selected COSY, NOESY and HMBC correlations of the signals in the 1H and 13C NMR spectra of comp...
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Tentative reaction mechanism for the decarboxylative cyclative rearrangement of the initial three-c...
Beilstein J. Org. Chem. 2014, 10, 117–126, doi:10.3762/bjoc.10.8
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