Magnetic sulfonated polysaccharides as efficient catalysts for synthesis of isoxazole-5-one derivatives possessing a substituted pyrrole ring, as anti-cancer agents
作者:Zarrin Ghasemi、Afsaneh Hamidian Amale、Sajjad Azizi、Sepideh Valizadeh、Jafar Soleymani
DOI:10.1039/d1ra06472j
日期:——
hydroxylamine-hydrochloride, and β-keto esters for the synthesis of 4-(2-pyrrolyl) methylene-isoxazole-5-ones. The optimal catalyst system was selected and studied by IR, SEM, TEM and XRD methods. The diverse isoxazoline derivatives (obtained via a mild and simple approach) were also fully characterized by spectroscopic methods and screened for anti-cancer activities against HT-29 and MCF-7 colon and breast cancer
四种多糖(壳聚糖、纤维素、淀粉和果胶)用磁性氧化铁(Fe3O4)磁化,然后用氯磺酸磺化(果胶除外)。所得固体酸作为催化剂用于 N-取代-2-甲酰基吡咯、盐酸羟胺和 β-酮酯之间的三组分反应合成 4-(2-吡咯基)亚甲基-异恶唑-5-酮. 通过IR、SEM、TEM和XRD等方法筛选和研究了最佳催化剂体系。多种异恶唑啉衍生物(通过温和而简单的方法获得)也通过光谱方法进行了充分表征,并筛选了对 HT-29 和 MCF-7 结肠癌和乳腺癌以及 HEK 293 正常细胞的抗癌活性。结果揭示了有趣的抗癌活性。