sp(2)-iminosugar representatives exhibiting significant growth inhibition potencies were identified in all three configurationally different types of compounds studied, namely α-d-gluco, α-d-manno and α-d-galacto glycoside analogs. Interestingly, none of the compounds affected viability and mortality of normal cells at the used concentrations. Altogether, the results strongly suggest that the anticancer activity
据报道,与nojirimycin,mannojirimycin和galactonojirimycin相关的环状
氨基甲酸酯型sp(2)-亚
氨基糖N-,S-,O-和C-辛基伪糖苷的合成全都具有α-伪异头构型。通过与
甲醇中的
辛胺反应,可以直接从相应的还原性sp(2)-亚
氨基糖前体直接获得gem-diamine-type N-pseudoglycosides,而过-O-乙酰基或1-
氟衍
生物用作拟糖基供体分别是S-伪糖苷或O-和C-伪糖苷。评估它们对一组糖苷酶的抑制性能证明了选择性概况,其选择性很大程度上取决于糖苷键的构型和性质。相反,确定的针对一组肿瘤
细胞系的抗增殖活性在很大程度上与sp(2)-亚
氨基糖部分中羟基的相对方向无关。实际上,在研究的所有三种构型不同类型的化合物(即α-d-
葡萄糖,α-d-
甘露聚糖和α-d-半
乳糖苷类似物)中均已鉴定出显示出显着的生长抑制能力的sp(2)-亚
氨基糖代表。有