Efficient click chemistry towards novel 1H-1,2,3-triazole-tethered 4H-chromene−d-glucose conjugates: Design, synthesis and evaluation of in vitro antibacterial, MRSA and antifungal activities
作者:Nguyen Dinh Thanh、Do Son Hai、Vu Thi Ngoc Bich、Pham Thi Thu Hien、Nguyen Thi Ky Duyen、Nguyen Thi Mai、Tran Thi Dung、Vu Ngoc Toan、Hoàng Thi Kim Van、Le Hai Dang、Duong Ngoc Toan、Tran Thi Thanh Van
DOI:10.1016/j.ejmech.2019.01.060
日期:2019.4
propargyl ethers 5a-t and tetra-O-acetyl-β-d-glucopyranosyl azide. [email protected] was the optimal catalyst for this chemistry. The yields of 1H-1,2,3-triazoles were 80–97.8%. All triazoles 7a-t were evaluated in vitro for anti-microorganism activities. Among tested compounds with MIC values of 1.56–6.25 μM, there were four compounds against B. subtilis, four compounds against S. aureus, and four compounds
该系列的2-氨基-7-炔丙氧基-4- ħ色烯-3-腈5A-T是从相应的2-氨基-7- phydroxy-4中合成ħ色烯-3-腈图4a-T和炔丙基溴。在这些合成中使用了两种方法:K 2 CO 3 /丙酮和NaH / DMF方法,产率分别为65-89%和80-96%。1个ħ -1,2,3-三唑系留4H-苯并吡喃d葡萄糖偶联物7A-T使用炔丙基的点击化学醚合成5A-T和四- ö乙酰基β- d-吡喃葡萄糖基叠氮化物。[电子邮件保护]是该化学反应的最佳催化剂。1 H -1,2,3-三唑的产率为80–97.8%。在体外评估所有三唑7a-t的抗微生物活性。在MIC值为1.56-6.25μM的测试化合物中,有四种化合物对抗枯草芽孢杆菌,四种化合物对抗金黄色葡萄球菌,四种化合物对抗表皮葡萄球菌;有5种抗大肠杆菌的化合物,4种抗肺炎克雷伯菌的化合物,5种抗铜绿假单胞菌的化合物,和6种抗鼠伤寒沙门氏菌的化合物。