Zobrazeno 1 - 10
of 43
pro vyhledávání: '"A. K. Tashmukhamedova"'
Autor:
A. K. Tashmukhamedova, A. D. Grebenyuk
Publikováno v:
Chemistry of Heterocyclic Compounds. 45:297-301
The sulfonation of monosubstituted derivatives of dibenzo-18-crown-6 with potassium sulfate in polyphosphoric acid has been carried out. Sulfonic acids with various functional groups in the second nucleus of dibenzo-18-crown-6 have been obtained. A q
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42716b6a94ddc675388a5b48feb20f7f
https://doi.org/10.1007/s10593-009-0273-z
https://doi.org/10.1007/s10593-009-0273-z
Autor:
A. A. Kuznetsova, Sh. A. Kadirova, D. V. Kuznetsov, A. K. Tashmukhamedova, R. V. Reshetnikova
Publikováno v:
Russian Journal of General Chemistry. 78:1924-1928
New heterocyclic derivatives of dibenzo-18-crown-6 (DB18C6), the products of coupling of kojic acid (5-hydroxy-2-hydroxymethyl-γ-pyrone) with 4′-DB18C6-yldiazonium chloride, 4′,4″-and 4′,5″-DB18C6-diyldiazonium dichlorides and products of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e978610a5eaf8d9b08892566d9f26055
https://doi.org/10.1134/s1070363208100174
https://doi.org/10.1134/s1070363208100174
Publikováno v:
Chemistry of Heterocyclic Compounds. 41:973-976
The acylation of dibenzo-18-crown-6 by lithium, sodium, and potassium acetates in polyphosphoric acid was studied. Complexes of dibenzo-18-crown-6 with the acetates were obtained. A new method is proposed for the production of mono- and diacetyldiben
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f965a883e76e21d611c6acd6a05f7b45
https://doi.org/10.1007/s10593-005-0263-8
https://doi.org/10.1007/s10593-005-0263-8
Publikováno v:
Chemistry of Natural Compounds. 38:182-185
Sulfamides were synthesized via the reaction of cytisine with 4′,4″(5″)-dibenzo-18-crown-6-disulfonyl-, 4′-sec-butyl-4′(5″)-dibenzo-18-crown-6-sulfonyl-, and 4′-acetyl-4′(5″)-dibenzo-18-crown-6-sulfonylchlorides. The structures of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1599b8d6d72c78bfece6567a72610854
https://doi.org/10.1023/a:1019652317717
https://doi.org/10.1023/a:1019652317717
Publikováno v:
Chemistry of Heterocyclic Compounds. 37:822-826
A new method is developed for the sulfonation of benzocrown ethers with potassium sulfate in polyphosphoric acid. The reaction takes place spontaneously and gives high yields of the sulfonic acids.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e71055cdd7bbcd482f8ce5741a5ccb9
https://doi.org/10.1023/a:1012487121653
https://doi.org/10.1023/a:1012487121653
Autor:
A. K. Tashmukhamedova, Ahmad Zabidi Abdul Razak, Bakhtiyar T. Ibragimov, Hoong-Kun Fun, Z. Karimov, Samat Talipov
Publikováno v:
Journal of Structural Chemistry. 42:160-164
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::886f1a018ad08e881cfcc3660da2eae9
https://doi.org/10.1023/a:1010496828172
https://doi.org/10.1023/a:1010496828172
Publikováno v:
Chemistry of Heterocyclic Compounds. 36:1449-1456
A general method for the nitration of benzo crown ethers with potassium nitrate in polyphosphoric acid has been developed. Mono- and dinitro derivatives of benzo-12-crown-4, benzo-15-crown-5, dibenzo-18-crown-6, and dibenzo-24-crown-8 have been prepa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4ec8f1b07b25a122af3e198b369772a
https://doi.org/10.1023/a:1017530731688
https://doi.org/10.1023/a:1017530731688
Autor:
Bakhtiyar T. Ibragimov, Samat Talipov, Z. Karimov, A. K. Tashmukhamedova, K. M. Makhkamov, A. A. Rakhimov
Publikováno v:
Journal of Structural Chemistry. 41:1088-1091
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5cf7ef19f05ac1ec83cce7c02cd4360e
https://doi.org/10.1023/a:1010344014578
https://doi.org/10.1023/a:1010344014578
Publikováno v:
Chemistry of Heterocyclic Compounds. 35:821-824
The condensation of (benzo-15-crown-5)-4′-thiocarboxamide with anthranilic acid is studied for the first time. Novel representative of crown ethers incorporating the quinazoline moiety is synthesized. Methylation of (benzo-15-crown-5)-4′-thiocarb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d1c6a4d28f39e8064efcc817f480f55
https://doi.org/10.1007/bf02252108
https://doi.org/10.1007/bf02252108
Autor:
K. M. Valikhanov, A. K. Tashmukhamedova, I. A. Stempnevskaya, Valentina I. Vinogradova, M. G. Levkovich, N. Zh. Saifullina, A. D. Grebenyuk
Publikováno v:
Chemistry of Natural Compounds. 34:711-714
Three methods have been developed for the introduction of a β-phenylethylamine fragment into a benzo-crown ether molecule.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e904efe44f505ad72e94990b1e6039f7
https://doi.org/10.1007/bf02336099
https://doi.org/10.1007/bf02336099