Unexpected dihydropyridinium derivatives using a multicomponent reaction containing unprotected amino acids
作者:Soheila Khajeh Dangolani、Esmaeil Niknam、Omolbanin Shahraki、Ali Khalafi-Nezhad
DOI:10.1016/j.molstruc.2021.131061
日期:2021.12
In this study, a multicomponent reaction (MCR) of amino acids, aldehydes, β-dicarbonyl compounds, and malononitrile is presented to obtain a novel class of dihydropyridinium scaffolds which are incorporating amino acid moieties. Some derivatives were obtained in tetrahydropyrido[2,3-d]pyrimidin form. The reaction proceeded through formation of a stable enolate as triethylammoniumenolate salt, which
在这项研究中,提出了氨基酸、醛、β-二羰基化合物和丙二腈的多组分反应 (MCR),以获得一类新型的二氢吡啶支架,这些支架结合了氨基酸部分。一些衍生物以四氢吡啶并[2,3- d ]嘧啶形式获得。反应通过形成稳定的烯醇化物作为三乙基铵烯醇化物盐而进行,其可从反应混合物中分离。DFT 计算也证实了所形成的二氢吡啶鎓结构的稳定性。合成化合物对乙酰胆碱酯酶靶标 (PDB ID = 5FUM) 的对接研究表明,这些化合物在阿尔茨海默病中具有很高的潜在抑制活性。