Synthesis of a 1,2-<i>cis</i>-indoxyl galactoside as a chromogenic glycosidase substrate
作者:Sakuto Nagata、Hirotaka Tomida、Haruka Iwai-Hirose、Hide-Nori Tanaka、Hiromune Ando、Akihiro Imamura、Hideharu Ishida
DOI:10.1039/c9ra05797h
日期:——
A synthetically challenging 1,2-cis-indoxyl galactoside, X-α-galactoside, was first prepared in this study using a cyclic ketone indoxyl acceptor and a glycosyl trichloroacetimidate donor to produce an enol glycoside and a 4,6-O-di-tert-butylsilylene-protected galactosyl donor to complete the synthesis. The target compound shows enzyme activity in the presence of α-galactosidase.
本研究首先使用环状酮
吲哚受体和糖基三
氯乙
酰亚胺供体制备烯醇糖苷和 4,6- O-二叔丁基甲
硅烷基保护的半
乳糖基供体完成合成。目标化合物在
α-半乳糖苷酶存在下显示出酶活性。