Zobrazeno 1 - 10
of 33
pro vyhledávání: '"O. Ya. Borbulevych"'
Autor:
A. N. Shchukin, O. Ya. Borbulevych, O. I. Boikova, G. V. Grintselev-Knyazev, I. E. Yakunina, O. V. Leonova, I. V. Shakhkel'dyan, Yu. M. Atroshchenko, E. N. Alifanova, V. A. Subbotin
Publikováno v:
Russian Journal of Organic Chemistry. 39:1593-1602
By condensation of 2,4-bis(aci-nitro)-3-(2-phenyl-2-oxoethyl)cyclohex-5-en-1-one with formaldehyde and primary amines a series of N-substituted 9-(2-phenyl-2-oxoethyl)-1,5-dinitro-3-azabicyclo[3.3.1]non-7-en-6-ones was synthesized. With the use of X-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f6f85aa62da9747edea573eb9edf9d1
https://doi.org/10.1023/b:rujo.0000013133.63685.ca
https://doi.org/10.1023/b:rujo.0000013133.63685.ca
Publikováno v:
Russian Chemical Bulletin. 50:1064-1067
Condensation of ortho-aminophenols and N-benzylsulfonyl-o-phenylenediamine with ninhydrin afforded tetracyclic products, the amino group entering into condensation with the carbonyl group at position 1 of ninhydrin. The structures of the reaction pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26173770d96afe08cc931bf4894f0b91
https://doi.org/10.1023/a:1011333722238
https://doi.org/10.1023/a:1011333722238
Autor:
O. Ya. Borbulevych, Oleg V. Shishkin, V. M. Mamaev, N. G. Akhmedov, S. S. Gitis, P. V. Chudakov, E. N. Alifanova, M. Yu. Antipin, Igor P. Gloriozov, Yu. M. Atroshchenko, A. Ya. Kaminsky, Yu. D. Grudtsyn
Publikováno v:
Russian Chemical Bulletin. 50:1056-1063
The reactions of the acetonate ion with 1,3-dinitro-5-X-, 1,3-X2-5-nitro- (X = NO2, CN, COOCH3, CONH2, COO–, and H), and 1,3,5-tricyanobenzenes were studied by 1H NMR and electronic absorption spectroscopy and by quantum-chemical methods. The kinet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3aacdfd523cb635d27da955e993cd5c6
https://doi.org/10.1023/a:1011381605400
https://doi.org/10.1023/a:1011381605400
Autor:
O. Ya. Borbulevych, M. Yu. Antipin, A. E. Ruzhnikov, Sergey V. Kurbatov, L. P. Olekhnovich, A. V. Lesin
Publikováno v:
Russian Chemical Bulletin. 50:1264-1267
A new preparative procedure was developed for the synthesis of spiro-fused 1,4-benzothiazines by thermal heterocyclization of S-benzyl and S-phenacyl derivatives of o-indothiophenol.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a38b9302a969069d2acbdbc4bbc2bb72
https://doi.org/10.1023/a:1014019209635
https://doi.org/10.1023/a:1014019209635
Publikováno v:
Russian Chemical Bulletin. 49:732-735
The reactions of 4-morpholino-1,2-naphthoquinone with enamines, cyclohexanone derivatives, afford 7a-amino-5-morpholinohexahydrobenzo[b]naphtho[1,2][1,4]dioxines, while the reaction witho-phenylenediamine yields 5-morpholinobenzo[a]phenazine.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e12913b2a04e915c1766d198f9f0c449
https://doi.org/10.1007/bf02495492
https://doi.org/10.1007/bf02495492
Publikováno v:
Journal of Molecular Structure. 520:141-153
Molecular structure and conformational flexibility of Meisenheimer complexes of 5,7-dinitroquinoline derivatives are studied experimentally using X-ray diffraction and theoretically by semi-empirical AM1 calculations. The dihydrocycle is found to pos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c18128f4a38216caad405841e941b189
https://doi.org/10.1016/s0022-2860(99)00320-8
https://doi.org/10.1016/s0022-2860(99)00320-8
Publikováno v:
Russian Chemical Bulletin. 49:452-459
The electron density distribution in the crystal of the Meisenheimer complex of potassium 3-methyl-5′, 7′-dinitro-5′, 8′-dihydrospiro(1,3-oxazolidine-2,8′- quinolinide) (1) was studied based on the data of precision X-ray diffraction study.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa43d9611e427e442596a29136bceb95
https://doi.org/10.1007/bf02494774
https://doi.org/10.1007/bf02494774
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 55:1915-1918
In molecules of the title compound, C 14 H 10 N 4 O 6 S, the geometry of the six-membered ring is typical for Meisenheimer complexes of 2,4,6-trinitrobenzene. However, the difference between the C-N bond lengths of the nitro groups para and ortho to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0bf9cee9f25a32cb0d588e1bc45004be
https://doi.org/10.1107/s0108270199009646
https://doi.org/10.1107/s0108270199009646
Autor:
Oleg V. Shishkin, Alexander N. Shchegolikhin, O. Ya. Borbulevych, Yu. G. Gololobov, I. R. Golding, W. Gruber, Pavel V. Petrovskii
Publikováno v:
Russian Chemical Bulletin. 48:924-928
N-Substituted amides of 2-cyanopenta-2E,4-dienoic acid were synthesized by condensation ofN-substituted cyanoacetamides with acrolein in a dioxane-DMSO solution in the presence of Zn(OAc)2·2H2O as a condensing agent. X-ray diffraction study of 3-met
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51159708121633bdcdfaf87b689294df
https://doi.org/10.1007/bf02494638
https://doi.org/10.1007/bf02494638
Publikováno v:
Russian Chemical Bulletin. 48:561-566
Benzimidazole-2-carbaldehyde reacts with 1-morpholinocyclohexene, 1-morpholinocyclopentene, and aminocrotonic ester upon heating to form 4a,11-dimorpholino-1,2,3,4,11,11a-hexahydro-4aH-indolo[1,2-a]benzimidazole, 2-(2-morpholino-4,5-dihydrofulvenyl)b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::32fd3935ea267dd3a433536339f04bc0
https://doi.org/10.1007/bf02496179
https://doi.org/10.1007/bf02496179