Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Yu. E. Sapozhnikov"'
Autor:
R. Kh. Mudarisova, Z. B. Galieva, G. E. Chikisheva, Yu. E. Sapozhnikov, R. D. Davletov, L. I. Buslaeva
Publikováno v:
Russian Journal of Applied Chemistry. 86:285-288
Special features of the formation of 2-benzoylaminobenzimidazole complexes with copper(II) chloride, sulfate, and acetate were studied. Optimal conditions of obtaining the complexes were found, and chemical compositions, some physicochemical properti
Autor:
Yu. E. Sapozhnikov, G. V. Kiseleva, R. D. Davletov, E. V. Klimakova, T. P. Vorob’eva, S. L. Kuznetsova, V. S. Pilyugin, Z. B. Galeeva, N. A. Sapozhnikova, G. E. Chikisheva
Publikováno v:
Russian Journal of General Chemistry. 78:446-450
A procedure has been developed for the synthesis of bis(2-arylcarbonylamino-1H-benzimidazol-5-yl) sulfones by reaction of the corresponding substituted benzoyl chloride with sodium cyanamide and subsequent treatment of the N-cyanobenzamide thus forme
Autor:
G. V. Kiseleva, L. V. Yakovleva, Yu. E. Sapozhnikov, E. V. Klimakova, T. P. Vorob’eva, V. S. Pilyugin, G. E. Chikisheva, S. L. Kuznetsova
Publikováno v:
Russian Journal of Applied Chemistry. 81:459-464
A procedure was developed for preparing 2-nitro-4-thiocyanoaniline by thiocyanation of 2-nitroaniline with ammonium thiocyanate in acetic acid in the presence of bromine as oxidant.
Autor:
E. V. Klimakova, Yu. E. Sapozhnikov, G. E. Chikisheva, G. V. Kiseleva, S. L. Kuznetsova, A. M. Davydov, R. D. Davletov, N. A. Sapozhnikova, T. P. Vorob’eva, V. S. Pilyugin, R. Kh. Yumadilov
Publikováno v:
Russian Journal of General Chemistry. 76:1653-1659
Derivatives of 1H-benzimidazol-2-amine and halo-, nitro-, methoxy-, and hydroxy-substituted benzoic acids were synthesized, and their fungicide activity against pure Fusarium culmorum and Helminthosporium sativum cultures and pathogenic microflora of
Autor:
V. S. Pilyugin, Yu. E. Sapozhnikov, S. L. Kuznetsova, N. A. Sapozhnikova, G. E. Chikisheva, G. V. Kiseleva, E. V. Klimakova, T. P. Vorob’eva
Publikováno v:
Russian Journal of General Chemistry. 76:1327-1330
A procedure has been developed for the synthesis of bis(arylcarbonylamino-1H-benzimidazol-5-yl) ethers by reaction of the corresponding substituted benzoyl chloride with sodium cyanamide, followed by treatment of the resulting N-cyanobenzamide with 4
Autor:
E. V. Klimakova, G. V. Kiseleva, V. S. Pilyugin, Yu. E. Sapozhnikov, T. P. Vorob’eva, N. A. Sapozhnikova
Publikováno v:
Russian Journal of General Chemistry. 75:1509-1513
A procedure was developed for preparing di[methoxy(ethoxy)carbonylamino-1H-benzimidazol-5-yl] ethers by the reaction of methyl or ethyl chloroformate with sodium cyanamide, followed by the reaction of the resulting methyl or ethyl cyanocarbamate with
Publikováno v:
Russian Journal of General Chemistry. 74:738-743
Procedures have been developed for the preparation of methyl 2-benzimidazolylcarbamate, 2-acetylaminobenzimidazole, 2-benzoylaminobenzimidazole, 2-(3,5-dibromo-2-hydroxybenzoylamino)benzimidazole, 1-(3,6-dichloro-2-methoxybenzoyl)-2-aminobenzimidazol
Publikováno v:
Russian Journal of Organic Chemistry. 39:979-984
The reaction of 2-nitro-4-thiocyanatoaniline with 4-nitrochlorobenzene in aqueous alkaline medium in the presence of phase-transfer catalyst at 95-100°C was studied with a view to obtain 4-amino-3,4'-dinitrodiphenyl sulfide. Optimal conditions for t
Publikováno v:
Russian Journal of General Chemistry. 72:1439-1443
A method for preparing 4-amino-3,4'-dinitrodiphenyl sulfide is developed, based on the reaction of 2-nitro-4-thiocyanatoaniline with 4-nitrochlorobenzene in aqueous-alkaline medium in the presence of a phase-transfer catalyst (PEG 400 or Katamin AB).
Publikováno v:
Russian Journal of Applied Chemistry. 76:1076-1078
A procedure was proposed for electrochemical reduction of 2,5-dichloronitrobenzene to 2,5-dichloroaniline in aqueous-ethanolic solution of sulfuric acid. The procedure for preparing 2,5-dichloroanilinium sulfate was optimized. The influence exerted b