Synthesis, antioxidant and antimicrobial activities of novel thiopyrano[2,3-d]thiazoles based on aroylacrylic acids
作者:Andrii Lozynskyi、Viktoria Zasidko、Dmytro Atamanyuk、Danylo Kaminskyy、Halyna Derkach、Olexandr Karpenko、Volodymyr Ogurtsov、Roman Kutsyk、Roman Lesyk
DOI:10.1007/s11030-017-9737-8
日期:2017.5
AbstractHere it is described the synthesis, antioxidant and antimicrobial activity determination of novel rel-(\(5R,6S,7R\))-6-benzoyl-7-phenyl-2-oxo-3,5,6,7-tetrahydro-2H-thiopyrano[2,3-d]thiazole-5-carboxylic acids. The target compounds were obtained in good yields from 5-arylidene-4-thioxo-2-thiazolidinones and \(\upbeta \)-aroylacrylic acids via regio- and diastereoselective hetero-Diels–Alder
抽象的这里描述了新型rel-(\(5R,6S,7R \))-6-苯甲酰基-7-苯基-2-氧代-3,5,6,7-四氢-的合成,抗氧化剂和抗菌活性的测定2 H-硫代吡喃并[2,3 - d ]噻唑-5-羧酸。通过区域-和非对映选择性的杂-Diels-Alder反应,从5-芳叉基-4-硫代-2--2-噻唑烷酮和\(upbeta \)-芳酰基丙烯酸以高收率获得了目标化合物。通过NMR光谱证实了环加成的立体化学。进行抗氧化和抗菌活性筛选,鉴定出7种化合物(3c,3e,3f,3g,3k,3l,3p)具有高水平的自由基清除能力(43-77%DPPH测定),以及对金黄色葡萄球菌,枯草芽孢杆菌和白色念珠菌有显着影响的化合物(MIC 3.13-6.25 \(\ upmu \ hbox g / mL} \)),但对大肠杆菌有轻微影响。 图形概要