The first synthesis of 1,2-trans-homoiminosugars devised as mimics of β-d-GlcNAc and α-d-ManNAc is described. Key steps include a regioselective azidolysis of a cyclic sulfite and a β-amino alcohol skeletal rearrangement applied to a polyhydroxylated azepane. The β-d-GlcNAc derivative has been coupled to serine to deliver an iminosugar C-amino acid. The two homoiminosugars demonstrate moderate glycosidase
1,2-所述第一合成反式-homoiminosugars设计为模仿β- d -GlcNAc和α- d -ManNAc进行说明。关键步骤包括环状
亚硫酸盐的区域选择性
叠氮化和应用于多羟基化沸腾石的β-
氨基醇骨架重排。β- d- GlcNAc衍
生物已与
丝氨酸偶联以递送亚
氨基糖C-
氨基酸。两种高同亚
氨基糖显示出适度的糖苷酶抑制作用。