Zobrazeno 1 - 10
of 134
pro vyhledávání: '"L. I. Vereshchagin"'
Publikováno v:
Russian Journal of Organic Chemistry. 55:186-192
Different procedures for azidation of epichlorohydrin and 2-(oxiran-2-ylmethyl)-5-phenyltetrazole in aqueous medium are considered. The synthetic potential of 1-azido-3-chloropropan-2-ol is demonstrated by its reactions with NH-unsubstituted azoles a
Autor:
Yakov I. Estrin, V. N. Kizhnyaev, Tat’yana V. Golobokova, L. I. Vereshchagin, F. A. Pokatilov
Publikováno v:
Chemistry of Heterocyclic Compounds. 53:682-692
This review covers the synthesis of monomers containing 1,2,3-triazole and/or tetrazole rings and provides analysis of examples where such monomers have been used for the formation of polymers with superior energetic characteristics. The reactions us
Publikováno v:
Russian Journal of Organic Chemistry. 52:1039-1042
The synthesis of N-(oxiran-2-ylmethyl)-5-phenyltetrazole was optimized, and its reactions with various nitrogen nucleophiles afforded bicyclic amino alcohols, including those containing an azole ring.
Autor:
V. N. Kizhnyaev, T. V. Golobokova, L. I. Vereshchagin, R. G. Zhitov, A. G. Proidakov, F. A. Pokatilov
Publikováno v:
Polymer Science Series B. 57:497-503
On the basis of poly(5-vinyltetrazole) and the copolymer N-vinylcaprolactam–2-(vinyloxyethoxy)methyloxirane, amphiphilic network paired polymers capable of limited swelling in aqueous media with the formation of polyelectrolyte hydrogels characteri
Publikováno v:
Russian Journal of Organic Chemistry. 49:130-137
Alkylation of NH-triazoles and tetrazoles and cycloaddition of organic and inorganic azides to propargyl ethers bearing a cyano group gave a number of polynuclear heterocyclic systems bridged by ether tethers.
Autor:
F. A. Pokatilov, T. V. Golobokova, L. I. Vereshchagin, A. G. Proidakov, V. N. Kizhnyaev, M. V. Kazantseva, G. G. Shevchenko
Publikováno v:
Russian Journal of Organic Chemistry. 48:566-574
Polynuclear azoles linked through carbamate and urea fragments were synthesized by reactions of the corresponding azolecarboxylic acid azides with heterocyclic alcohols and amines.
Autor:
F. A. Pokatilov, V. N. Kizhnyaev, T. V. Golobokova, L. I. Vereshchagin, A. G. Proidakov, O. N. Verkhozina, A. I. Smirnov
Publikováno v:
Chemistry of Heterocyclic Compounds. 47:456-463
Polynuclear noncondensed systems in which the azole rings are bound by urethane or carbamide fragments have been synthesized by the reaction of azole carboxylic acid azides with heterocyclic alcohols.
Autor:
E. A. Krakhotkina, F. A. Pokatilov, R. G. Zhitov, T. V. Golobokova, O. N. Verkhozina, V. N. Kizhnyaev, L. I. Vereshchagin
Publikováno v:
Polymer Science Series B. 53:317-323
Linear, star-shaped, and hyperbranched oligomeric compounds containing tetrazole cycles in the main chains are synthesized via the polycondensation (polyalkylation) of N-H unsubstituted bis(tetrazoles), tris(tetrazoles), and tetrakis(tetrazoles) with
Publikováno v:
Chemistry of Heterocyclic Compounds. 46:206-211
Polynuclear structures containing several heterocycles of various types were synthesized by the reaction of cyanuric chloride and its mono- and dichloro derivatives with triazoles and tetrazoles in the presence of bases.
Autor:
G. V. Ratovskii, T. L. Petrova, F. A. Pokatilov, V. N. Kizhnyaev, O. V. Tyukalova, O. N. Verkhozina, L. I. Vereshchagin, A. G. Prodaikov
Publikováno v:
Russian Journal of Applied Chemistry. 82:1769-1775
Interaction of cyanuric chloride and its mono and dichloro derivatives with ammonium or sodium 4-nitro-1,2,3-triazolates and polymer-analogous transformations of tetrazole-containing polymers were used to synthesize polynuclear systems and macromolec