Copper(II) Triflate: A Versatile Catalyst for the One-Pot Preparation of Orthogonally Protected Glycosides
作者:Anh-Tuan Tran、Rachel A. Jones、Julien Pastor、Julien Boisson、Nichola Smith、M. Carmen Galan
DOI:10.1002/adsc.201100228
日期:2011.10
development of general and expedient methodologies for the preparation of orthogonally protected glycoside building blocks is essential for the efficient synthesis of complex oligosaccharides. Herein, we describe a new approach that uses copper(II) triflate as a versatile catalyst for the one-pot preparation of orthogonal protected thio- and O-glycosides from the corresponding unprotected counterparts. The conditions
制备正交保护的糖苷结构单元的通用方法和便捷方法对于有效合成复杂寡糖至关重要。在这里,我们描述了一种新的方法,该方法使用三氟甲磺酸铜(II)作为通用催化剂,从相应的未保护对应物一锅制备正交保护的硫代和O型糖苷。条件温和,易于处理,适用于两个和三个一锅串联转化,包括亚芳基乙缩醛化,酯化,区域选择性还原性乙缩醛开环,糖基化和甲硅烷基化过程。