Hongli Hou , Guangzong Tian , Junjie Fu , Chunjun Qin , Guodong Chen , Xiaopeng Zou , Jing Hu , Jian Yin
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引用次数: 0
摘要
高度立体选择性合成含有1,2-顺式-喹诺糖胺的复合碳水化合物是一个持续的挑战。在这里,我们报道了一种融合试剂调制和酰基远程参与的协同策略,用于高度立体选择性的1,2-顺式- d -喹诺胺键的构建。该方法应用于铜绿假单胞菌表面天然双糖的制备。所得到的双糖可以通过还原端的氨基戊基连接物与微阵列表面或载体共价结合,从而可以探索其抗原和免疫原性。
Highly stereoselective construction of 1,2-cis-D-quinovosamine glycosides for the synthesis of Pseudomonas aeruginosa O-antigen disaccharide
The highly stereoselective synthesis of complex carbohydrates containing 1,2-cis-quinovosamine is an on-going challenge. Here, we report a synergistic strategy of merging reagent modulation and acyl remote participation for highly stereoselective construction of 1,2-cis-D-quinovosamine linkages. The strategy is applied to the preparation of natural disaccharide present on the surface of Pseudomonas aeruginosa bacteria. The resulting disaccharide can be covalently bound to microarray surface or carrier via the aminopentyl linker at the reducing end, allowing for exploring its antigenic and immunogenic properties.
期刊介绍:
The Journal of Carbohydrate Chemistry serves as an international forum for research advances involving the chemistry and biology of carbohydrates. The following aspects are considered to fall within the scope of this journal:
-novel synthetic methods involving carbohydrates, oligosaccharides, and glycoconjugates-
the use of chemical methods to address aspects of glycobiology-
spectroscopic and crystallographic structure studies of carbohydrates-
computational and molecular modeling studies-
physicochemical studies involving carbohydrates and the chemistry and biochemistry of carbohydrate polymers.