An efficient and catalytic protocol for highly stereoselective construction ofβ-mannopyranosylation has been developed.Glycosylation of 2,6-lactone-bridged mannopyranosyl ortho-hexynylbenzoate with various acceptors ...An efficient and catalytic protocol for highly stereoselective construction ofβ-mannopyranosylation has been developed.Glycosylation of 2,6-lactone-bridged mannopyranosyl ortho-hexynylbenzoate with various acceptors proceeded smoothly in the presence of 5%Hg(Ⅱ)at room temperature,resulting in the correspondingβ-mannosides in high yield and exclusiveβ-stereoselectivity.展开更多
基金supported by National Natural Science Foundation of China(Nos.21472119,22107061)the Science and Technology Program of Shaanxi Province,China(No.2018ZDXM-GY-152)。
文摘An efficient and catalytic protocol for highly stereoselective construction ofβ-mannopyranosylation has been developed.Glycosylation of 2,6-lactone-bridged mannopyranosyl ortho-hexynylbenzoate with various acceptors proceeded smoothly in the presence of 5%Hg(Ⅱ)at room temperature,resulting in the correspondingβ-mannosides in high yield and exclusiveβ-stereoselectivity.
