Zobrazeno 1 - 10
of 210
pro vyhledávání: '"Lenor I. Khmel'nitskii"'
Autor:
Lenor I. Khmel’nitskii, E. L. Ignat'eva, Tamara I. Godovikova, B. L. Korsunskii, S. A. Vozchikova
Publikováno v:
Chemistry of Heterocyclic Compounds. 39:467-470
We have studied destructive nitration of acetonyltriazole oxides and azotriazole oxides to the corresponding trinitromethyl derivatives.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5636f4f0fc0aab6b8b039a6bf5d285f8
https://doi.org/10.1023/a:1024761229350
https://doi.org/10.1023/a:1024761229350
Autor:
E. L. Ignat'eva, Lenor I. Khmel’nitskii, S. A. Vozchikova, B. L. Korsunskii, Tamara I. Godovikova
Publikováno v:
Chemistry of Heterocyclic Compounds. 39:608-612
The N-dealkylation of 2-alkyl or 2-benzyl-substituted 4,5-dinitro-1,2,3-triazole 1-oxides has been studied. Conditions have been found for N-de-tert-butylation and 4-amino-5-nitro-1,2,3-triazole 1-oxide has been synthesized for the first time.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19f7e7c36749efeb9d1f7c548dfb4507
https://doi.org/10.1023/a:1025194031884
https://doi.org/10.1023/a:1025194031884
Autor:
L. V. Batog, Lenor I. Khmel’nitskii, V. Yu. Rozhkov, L. S. Konstantinova, Oleg V. Lebedev, Yu. A. Strelenko
Publikováno v:
Chemistry of Heterocyclic Compounds. 36:91-100
The 1,3-dipolar cycloaddition of azidofurazans to substituted acetylenes has been studied and substituted 3-(1,2,3-triazol-l-yl)furazans have been synthesized.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3fd9374b4dfc1f410aa7c6dc6df4abe5
https://doi.org/10.1007/bf02256852
https://doi.org/10.1007/bf02256852
Autor:
S. A. Vozchikova, B. L. Korsunskii, E. L. Ignat'eva, Lenor I. Khmel’nitskii, Tamara I. Godovikova
Publikováno v:
Chemistry of Heterocyclic Compounds. 35:1176-1182
The oxidation of substituted aminonitrotriazole oxides to the corresponding dinitro derivatives of triazole and azotriazole oxides has been studied.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f6623d76be0340c02126471b323ebea
https://doi.org/10.1007/bf02323375
https://doi.org/10.1007/bf02323375
Autor:
Tatyana S. Pivina, Lenor I. Khmel’nitskii, M. V. Povorin, S. A. Vozchikova, S. P. Golova, E. L. Ignat'eva, Tamara I. Godovikova
Publikováno v:
Chemistry of Heterocyclic Compounds. 35:180-185
The effect of the position and nature of substituents on the recyclization of substituted furoxans has been established.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a83c4f720f31431ba62a9d9b74c95b8
https://doi.org/10.1007/bf02251706
https://doi.org/10.1007/bf02251706
Autor:
Lenor I. Khmel’nitskii, Aleksey V. Shastin, S. P. Golova, B. L. Korsunskii, Tamara I. Godovikova
Publikováno v:
Chemistry of Heterocyclic Compounds. 33:1095-1100
The destructive nitration of 2,4,6-tris[di(carboxy)methylene]hexahydro-1,3,5-triazine and its esters has been investigated. A first representative of the nitromethyl derivatives of 1,3,5-triazine, viz. 2,4,6-tris(nitromethyl)-1,3,5-triazine, has been
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::96bd7c1d24ce515c70236b4f6fade1a6
https://doi.org/10.1007/bf02253226
https://doi.org/10.1007/bf02253226
Publikováno v:
Russian Chemical Bulletin. 45:1692-1698
A general and simple preparative method for the synthesis of α-hydroxyalky(benzyl)furazan and -furoxan derivatives is proposed, The method involves reduction of acyl or ethoxycarbonyl substituents in these heterocyclic compounds with NaBH4 in ethano
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5726675e83361ff30f9e253f8cdbc748
https://doi.org/10.1007/bf01431809
https://doi.org/10.1007/bf01431809
Autor:
V. Yu. Rozhkov, Oleg V. Lebedev, Yu. T. Struchkov, L. V. Batog, L. S. Konstantinova, V. E. Eman, M. O. Dekaprilevich, S. E. Semenov, Lenor I. Khmel’nitskii
Publikováno v:
Russian Chemical Bulletin. 45:1189-1193
The oxidative cyclocondensation of 3,4-diaminofurazan and 4,4′-diamino-3,3′-azofurazan with dibromoisocyanurate afforded macrocyclec polydiazenofurazans. The reaction can be directed towards the formation of both the four-membered cycle alone or
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10b5f432ff472a0d6d52852d6e718d98
https://doi.org/10.1007/bf01431618
https://doi.org/10.1007/bf01431618
Autor:
S. P. Golova, E. L. Ignat'eva, Tamara I. Godovikova, M. V. Povorin, Lenor I. Khmel’nitskii, S. A. Vozchikova
Publikováno v:
Chemistry of Heterocyclic Compounds. 32:580-584
A general method is proposed for the synthesis of 1,2,3-triazole 1-oxides using 3,4-dinitro- or 4-amino-3-nitrofuroxanes.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::119daf475d47ee1d8637fa911456b954
https://doi.org/10.1007/bf01164790
https://doi.org/10.1007/bf01164790
Autor:
D. E. Dmitriev, Tamara I. Godovikova, Lenor I. Khmel’nitskii, B. L. Korsunskii, Alexey V. Shastin, M. O. Dekaprilevich, S. P. Golova, M. V. Povorin, Yu. T. Struchkov, Yu. A. Strelenko
Publikováno v:
Chemistry of Heterocyclic Compounds. 31:601-609
2-R-amino-4,6-bis (trinitromethyl)-1,3,5-triazines have been synthesized, and their structures have been established. Dynamic13C NMR spectroscopy has been used to measure the rotational barriers of the tertbutylamino group around the C(2)-NHBu-t bond
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b4bd7fafc4e842491ce53fcbbf8dc0f
https://doi.org/10.1007/bf01166338
https://doi.org/10.1007/bf01166338