Zobrazeno 1 - 10
of 55
pro vyhledávání: '"P. V. Kurman"'
Autor:
E. A. Akishina, E. A. Dikusar, A. P. Polikarpov, K. A. Alekseeva, D. I. Menshikova, P. V. Kurman, V. I. Potkin
Publikováno v:
Russian Journal of General Chemistry. 93:463-475
Autor:
I. A. Kolesnik, A. V. Kletskov, V. I. Potkin, V. A. Knizhnikov, T. D. Zvereva, P. V. Kurman, Yu. P. Tokalchik, V. A. Kulchitsky
Publikováno v:
Russian Journal of Organic Chemistry. 57:1584-1591
Autor:
Alfira A Gimaltdinova, Ksenija V Kurman
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 19, Iss 1, Pp 7-18 (2015)
In this paper we studied the spectral problem for an ordinary second order differential equation on a finite interval with a discontinuous coefficient of the highest derivative. At the ends of the segment the boundary conditions of the first kind a
Externí odkaz:
https://doaj.org/article/059cde48feb947718233d794ee6ebfc6
Autor:
Eugeniya V. Nikitina, Vladimir P. Zaytsev, Ekaterina А. Akishina, P. V. Kurman, Neliya А. Zhukovskaya, Evgenij А. Dikusar, Sergey K. Petkevich, Vladimir I. Potkin
Publikováno v:
Chemistry of Heterocyclic Compounds. 57:594-598
2-Mercapto-1,3,4-triazoles and 2-amino-1,3,4-thiadiazoles were synthesized by successive transformations of 5-arylisoxazole- and 4,5-dichloroisothiazole-3-carboxylic acids and their derivatives. The amino group of 5-(4,5-dichloroisothiazol-3-yl)-1,3,
Autor:
Sergey K. Petkevich, Hongwei Zhou, Vladimir I. Potkin, Alexander S. Lyakhov, Ludmila S. Ivashkevich, P. V. Kurman, Irina А. Kolesnik
Publikováno v:
Chemistry of Heterocyclic Compounds. 56:1187-1192
The reaction of 4-substituted anilines with 3,4,4-trichloro-1,1-bis(3,5-dimethyl-1H-pyrazol-1-yl)-2-nitrobuta-1,3-dienes led to 1-arylamino-3,4,4-trichloro-1-(3,5-dimethyl-1H-pyrazol-1-yl)-2-nitrobuta-1,3-dienes, which under the action of 2-aminopyri
Publikováno v:
Proceedings of the National Academy of Sciences of Belarus, Chemical Series. 56:311-317
3-benzyl-6-isobutylpiperazin-2,5-dione [cyclo(leucylphenylalanyl)], 3-isobutylpiperazin-2,5-dione [cyclo(-leucylglycyl)] and 3-(sec-butyl-)-6-isobutyl-piperazine-2,5-dione [cyclo(leucylisoleucine)] have been obtained by cyclization of methyl esters o
Publikováno v:
Russian Journal of Organic Chemistry. 56:20-28
The reaction of 3,4,4-trichloro-1,1-bis(3,5-dimethyl-1H-pyrazol-1-yl)-2-nitrobuta-1,3-diene with 2-aminopyridine gave a polysubstituted pyrido[1,2-a]pyrimidine derivative with an aminopyridine residue in the 2-position, whereas heterocyclization of 3
Autor:
Vladimir I. Potkin, P. V. Kurman, Z. I. Kuvaeva, V. A. Knizhnikov, V. A. Haidukevich, Sergey K. Petkevich, E. G. Karankevich
Publikováno v:
Proceedings of the National Academy of Sciences of Belarus, Chemical Series. 55:429-435
Tert-butyloxycarbonylprolylleucylglycinamide is obtained both by the interaction of tert-butyloxycarbonylprol ylleucylglycine ethyl ester with a methanolic ammonia solution and by the reaction of glycine amide with a mixed anhydride which was synthes
Publikováno v:
Russian Journal of Organic Chemistry. 55:1483-1494
Acylation of vanillin with isonicotinoyl chloride gave 4-formyl-2-methoxyphenyl pyridine-4-carboxylate which was converted into a number of functional derivatives, including those containing isoxazole and isothiazole heterocycles. In particular, the
Study of trace elements in the surface snow for impact monitoring in Vecherny Oasis, East Antarctica
Publikováno v:
Environmental monitoring and assessment. 192(11)
The results of surface snow monitoring in Vecherny Oasis, Thala Hills, East Antarctica, for evaluation of Belarusian Antarctic Station environmental impact are presented. Snow samples from the depth up to 15–20 cm were collected during 4–5th and