Studies on saccharide benzimidazoles: 2-(β-D-gulofuranosyl)benzimidazole and 2-(β-D-glucofuranosyl)benzimidazole C-nucleoside analogs; synthesis, anomeric configuration and antifouling potency
作者:Mohammed A.E. Sallam、Dalia M.S.A. Salem、Gorgina M.H. Labib、Trevena N.M.A. Youssef、Koichi Matsuo
DOI:10.1016/j.carres.2020.108073
日期:2020.10
2-(D-gulo-) and 2-(D-gluco-)benzimidazole C-nucloside analogs have been prepared by condensation of o-phenylenediamine dihydrochloride derivatives with D-gulonic acid-γ-lactone and D-gluconic acid-γ-lactone, separately. Acid catalyzed dehydrative cyclization of the acyclic benzimidazole C-nucleoside afforded the corresponding 2-(β-D-gulo-) and 2-(β-D-gluco-)furanosyl benzimidazole C-nucleoside analogs. The
通过邻苯二胺二盐酸盐衍生物与 D-古洛糖酸-γ-内酯和 D-葡萄糖酸缩合制备了一系列无环 2-(D-gulo-) 和 2-(D-gluco-) 苯并咪唑 C-核苷类似物酸-γ-内酯,分开。无环苯并咪唑C-核苷的酸催化脱水环化得到相应的2-(β-D-gulo-)和2-(β-D-葡糖-)呋喃糖基苯并咪唑C-核苷类似物。获得的C-核苷类似物的结构和异头构型通过高碘酸盐氧化、1H NMR、UV和圆二色性(CD)光谱确定。已使用抗菌生物膜试验研究了 C-核苷类似物的防污性能。2-(D-gulo-) 和 2-(D-gluco-) 苯并咪唑类似物可用于抑制海洋细菌的生长,并且不会对周围的海水造成任何不良影响。