Zobrazeno 1 - 10
of 25
pro vyhledávání: '"T. M. Gabbasov"'
Publikováno v:
Chemistry of Natural Compounds. 58:1108-1113
Publikováno v:
Chemistry of Natural Compounds. 58:784-787
Publikováno v:
Chemistry of Natural Compounds. 57:1066-1073
New lappaconitine, N-deacetyllappaconitine, and lappaconine derivatives with C-19 C–C-bonded substituents were prepared from lappaconitine–isoxazolidine hybrids by reductive and oxidative opening of isoxazolidine rings annelated to the lappaconit
Publikováno v:
Chemistry of Natural Compounds. 57:727-730
Oxidative halogenation of lappaconitine and N-deacetyllappaconitine HBr or HCl in the presence of H2O2 in MeOH was associated upon bromination by N-20-deethylation and produced the 3′,5′-dibromo derivative of N-20-nordeacetyllappaconitine; upon c
Publikováno v:
Chemistry of Natural Compounds. 57:512-515
A series of new lappaconitine structural analogs were prepared via esterification of the lappaconine C-4 hydroxyl by aromatic acids.
Publikováno v:
Russian Chemical Bulletin. 70:515-519
Bromination of lappaconitine with a KBr—H2O2 mixture in 20% H2SO4, as well as with molecular Br2 in either Py, CH2Cl2, CH3COOH, or DMSO did not occur, while the initial lappaconitine was isolated from the reaction mixture. Such a bromination with m
Autor:
S. F. Petrova, A. Z. Sadikov, Sergey P. Ivanov, T. M. Gabbasov, M. S. Yunusov, E. M. Tsyrlina, Sh. Sh. Sagdullaev, E. I. Andrianova
Publikováno v:
Chemistry of Natural Compounds. 56:767-770
Autor:
E. M. Tsyrlina, Sergey P. Ivanov, Leonid V. Spirikhin, N. V. Valiev, A. Z. Sadikov, M. S. Yunusov, Sh. Sh. Sagdullaev, A. A. Akhiyarov, Alexander N. Lobov, T. M. Gabbasov
Publikováno v:
Russian Chemical Bulletin. 69:567-571
The data on antiarrhythmic drugs based on diterpene alkaloid lappaconitine are summarized. N-Deacetyllappaconitine is the main metabolite of allapinin and a potential antiarrhythmics for intravenous use. The basicity of two nitrogen atoms of this com
Publikováno v:
Chemistry of Natural Compounds. 57:594-596
Publikováno v:
Doklady Chemistry. 495:175-177
The reaction of [3 + 2] cycloaddition of a lappaconitine-based nitrone with N,N-diethylallylamine is accompanied by the formation of two minor products, unusual for the reaction of this type, containing the pyrrole cycle. The structures of the produc