Development of α-glucosidase inhibitors by room temperature C–C cross couplings of quinazolinones
作者:Ramesh Garlapati、Narender Pottabathini、Venkateshwarlu Gurram、Kumara Swamy Kasani、Rambabu Gundla、Chiranjeevi Thulluri、Pavan Kumar Machiraju、Avinash B. Chaudhary、Uma Addepally、Raveendra Dayam、Venkata Rao Chunduri、Balaram Patro
DOI:10.1039/c3ob40636a
日期:——
3-(pyridyl-3-ylmethyl)quinazolin-4(3H)-one precursor have been accomplished at room temperature. A comparison of the relative reactivities of 6-bromo and 6-chloro-2,3-disubstituted quinazolinones with phenyl boronic acid was conducted. An investigation of pre-catalyst loading for the reaction of the 6-bromo-2-cyclopropyl-3-(pyridyl-3-ylmethyl)quinazolin-4(3H)-one substrate was also carried out. Finally
已经开发了基于喹唑啉酮的新型α-葡萄糖苷酶抑制剂。为此目的,已经产生了虚拟筛选模型,并利用阿卡波糖作为α-葡萄糖苷酶抑制剂进行了验证。同源性建模,对接和虚拟筛选已成功用于发现一组对α-葡萄糖苷酶具有活性的结构多样的化合物。使用基于结构的虚拟模型搜索包含22,500个小分子的3D数据库产生了十个可能的候选对象。所有十个候选物都是N-3-吡啶基-2-环丙基喹唑啉酮-4-一衍生物,在6位上变化。该位置通过Suzuki-Miyaura与芳基,杂芳基和烷基硼酸的交叉偶联而修饰。进行了催化剂筛选,并使用最佳的最佳条件,合成了一系列的25种化合物。尤其,在室温下已经完成了6-溴-2-环丙基-3-(吡啶基-3-基甲基)喹唑啉-4(3H)一前体的CC交叉偶联反应。进行了6-溴和6-氯-2,3-二取代的喹唑啉酮与苯基硼酸的相对反应性的比较。还对6-溴-2-环丙基-3-(吡啶基-3-基甲基)喹唑啉-4(3H)-