Zobrazeno 1 - 8 of 8 pro vyhledávání: '"N. I. Gnatov"'
2
Investigations in the xanthine series and among its condensed derivatives
Autor: A. K. Sheinkman, B. A. Priimenko, S. N. Garmash, N. I. Gnatov, N. I. Romanenko
Publikováno v: Chemistry of Natural Compounds. 16:442-445
A method has been developed for obtaining derivatives of 8-methyl-2,3-dihydro-6H-imidazo[1,2-f]xanthine. It has been established that 2,3-dihydroimidazo[1,2-f]-xanthines alkylate in position 6 of the uracil fragment. A method has been developed for o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2158aaf1dc65230439ce0170e1cd1dc8
https://doi.org/10.1007/bf00571033
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3
Electrophilic and nucleophilic substitution reactions in the series of 3-methylxanthine and its derivatives
Autor: N. I. Gnatov, I. V. Fedulova, N. A. Klyuev, S. N. Garmash, B. A. Priimenko, N. I. Romanenko
Publikováno v: Chemistry of Heterocyclic Compounds. 20:924-927
The reactions of nitration and bromination of 3-methylxanthine were studied. Heating 3-inethyl-8-nitroxanthine with conc. HCl and HBr leads to a replacement of the nitro group by a halogen atom. The alkylation of 8-haloxanthines by alkyl halides were
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6f5a67b1db6a018dc00dcd622558e3b5
https://doi.org/10.1007/bf00513585
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