Benzofuranyl Esters: Synthesis, Crystal Structure Determination, Antimicrobial and Antioxidant Activities
作者:C. Kumar、Li Then、Tze Chia、Siddegowda Chandraju、Yip-Foo Win、Shaida Sulaiman、Nurul Hashim、Kheng Ooi、Ching Quah、Hoong-Kun Fun
DOI:10.3390/molecules200916566
日期:——
2‐(1‐benzofuran‐2‐yl)‐2‐oxoethyl 4-(un/substituted)benzoates 4(a–e), with the general formula of C8H5O(C=O)CH2O(C=O)C6H4X, X = H, Cl, CH3, OCH3 or NO2, was synthesized in high purity and good yield under mild conditions. The synthesized products 4(a–e) were characterized by FTIR, 1H-, 13C- and 1H-13C HMQC NMR spectroscopic analysis and their 3D structures were confirmed by single-crystal X-ray diffraction studies
一系列五个新的 2-(1-苯并呋喃-2-基)-2-氧乙基 4-(未/取代)苯甲酸酯 4(a-e),通式为 C8H5O(C=O)CH2O(C= O)C6H4X,X = H、Cl、CH3、OCH3 或 NO2,在温和条件下以高纯度和良好的收率合成。合成的产物 4(a-e) 通过 FTIR、1H-、13C-和 1H-13C HMQC NMR 光谱分析表征,并且它们的 3D 结构通过单晶 X 射线衍射研究证实。筛选这些化合物的抗微生物和抗氧化活性。测试的化合物显示出抗菌能力的顺序为 4b < 4a < 4c < 4d < 4e,并且在 4e 中观察到最低抑制浓度 (MIC) 值为 125 µg/mL 的最高效力。抗氧化活性结果显示化合物4e的活性最高(32.62%±1.