Synthesis, conformational study, glycosidase inhibitory activity and molecular docking studies of dihydroxylated 4- and 5-amino-iminosugars
作者:Vijay M. Kasture、Navnath B. Kalamkar、Roopa J. Nair、Rakesh S. Joshi、Sushma G. Sabharwal、Dilip D. Dhavale
DOI:10.1016/j.carres.2015.03.004
日期:2015.5
An efficient methodology for the synthesis of new amino iminosugars 6a, 7a and 8, starting from D-glucose, is reported. The conformational study using (1)H NMR data showed that the amino iminosugar 6a exists in the (2)C5 while; the 7a and 8 exist in the (5)C2 conformation. The inhibition activities with different glycosidases showed that 6a and 7a are poor glycosidase inhibitors. However, amino iminosugar
报道了一种从D-葡萄糖开始合成新的氨基亚氨基糖6a,7a和8的有效方法。使用(1)H NMR数据进行的构象研究表明,氨基亚氨基糖6a存在于(2)C5中;7a和8以(5)C2构象存在。不同糖苷酶的抑制活性表明6a和7a是不良的糖苷酶抑制剂。然而,氨基亚氨基糖8显示出对β-半乳糖苷酶的选择性抑制(IC50 = 43μM,Ki = 153μM)。这些结果通过分子对接研究得到证实。