4-dideoxy-1,4-imino-d-arabinitol (DAB) and 1,4-dideoxy-1,4-imino-l-arabinitol (LAB) analogues with an amidine, hydrazide, hydrazide imide, or amide oxime moiety is described. The preparation of DAB and LAB analogues commenced from l-xylose and d-xylose, respectively. The obtained iminosugars are tested against a panel of glycosidases with pharmaceutical relevance, revealing enhanced activity for the DAB analogues
摘要用脒高效合成亚
氨基糖对映异构体对,包括 1,4-二脱氧-1,4-亚
氨基-d-
阿拉伯糖醇 (
DAB) 和 1,4-二脱氧-1,4-亚
氨基-l-
阿拉伯糖醇 (
LAB) 类似物描述了酰
肼、酰
肼酰亚胺或酰胺
肟部分。
DAB 和
LAB 类似物的制备分别从 l-
木糖和 d-
木糖开始。所获得的亚
氨基糖针对一组具有药物相关性的糖苷酶进行了测试,显示与
LAB 类似物相比,
DAB 类似物的活性增强。特别是,d-阿拉伯构型的脒表现出强效(亚微摩尔范围)和选择性的
α-甘露糖苷酶抑制剂。