O-[Methyl (2-O-acetyl-3-O-benzyl-4-O-levulinyl-alpha, and beta-L-idopyranosid)uronate] trichloroacetimidate and the corresponding n-pentenyl glycosides are efficient L-iduronic acid glycosyl donors. Both have been used for the high-yielding synthesis of basic disaccharide blocks which are useful for the subsequent synthesis of complex oligosaccharides related to heparin/heparan sulfate, and dermatan
O-[(2-O-乙酰基-3-O-苄基-4-O-
乙酰丙酰基-α-甲基和β-L-idopyranosid)
尿酸甲酯]三
氯乙
亚胺酸酯和相应的n-
戊烯基糖苷是有效的
L-艾杜糖酸糖基供体。两者均已用于碱性二糖嵌段的高产率合成,其对于随后合成与
肝素/
硫酸乙酰
肝素和
硫酸皮肤素有关的复杂
寡糖是有用的。相反,相应的
硫代乙基糖苷,
硫代苯基糖苷和
氟化物未产生预期的二糖。