Synthesis and Anticholinesterase Activity of 3-{[4-Methyl-3-(4-methylpiperazin-1-yl)]pent-1-en-1-yl}-4H-chromen-4-ones
摘要:
A procedure has been developed and optimized for the synthesis of 3-{[4-methyl-3-(4-methylpiperazin-1-yl)]pent-1-en-1-yl}-4H-chromen-4-ones (as dihydrochlorides) by an unusual version of the Morita-Baylis-Hillman reaction. A number of the title compounds with various substituents in the chromene fragment and their deamination products have been synthesized, and their inhibitory activity against butyrylcholinesterase has been studied.
Discovery of Novel Chromone Derivatives Containing a Sulfonamide Moiety as Anti-ToCV Agents through the Tomato Chlorosis Virus Coat Protein-Oriented Screening Method
Synthesis of Chromone-Containing Allylmorpholines through a Morita-Baylis-Hillman-Type Reaction
作者:Nikita M. Chernov、Roman V. Shutov、Oleg I. Barygin、Mikhail Y. Dron、Galina L. Starova、Nikolay N. Kuz'mich、Igor P. Yakovlev
DOI:10.1002/ejoc.201801159
日期:2018.12.6
An unusual addition of enamines to chromone‐substituted acrylic acid is an efficient and versatile method of synthesis of allylamine derivatives. The reaction is catalyzed by amines and is highly likely of Morita–Baylis–Hillman‐type. The described compounds show combined moderate inhibitory action on BChE and antagonism towards NMDA receptors
Synthesis of New 4,4a-Dihydroxanthones via [4+2]-Cycloaddition Reaction
作者:N. M. Chernov、T. V. Moroz、R. V. Shutov、N. N. Kuz’mich、A. E. Shchegolev、M. V. Sopova、I. P. Yakovlev
DOI:10.1134/s1070363219120223
日期:2019.12
The effect of electronic properties of substituents in the reactants on the [4+2]-cycloaddition of 3-vinyl-chromen-4-ones (dienes) and N-vinylpyrrolidines (dienophiles) has been studied. The conditions determining the formation of 4,4a-dihydroxanthones or benzophenones as the major products have been found. The aromatization of 4,4a-dihydroxanthones via pyran ring opening has been interpreted by quantum