Spacer-modified saccharides for the regioselective photo-affinity labelling of the binding site of an immunoglobulin
作者:Jochen Lehmann、Markus Scheuring
DOI:10.1016/0008-6215(92)80040-8
日期:1992.2
The spacer-modified trisaccharides that mimic (1----6)-linked beta-D-galactotetraose (Gal4), namely, O-beta-D-galactopyranosyl-(1----6)-S-beta-D-galactopyranosyl-(1----11)-8 -azi- 6,7,8,9,10-pentadeoxy-11-thio-D-galacto-undecose (12) and O-beta-D-galactopyranosyl-(1----6)-O-beta-D-galactopyranosyl- (1----13)-8-azi-6,7,8,9,10,11,12-heptadeoxy-D-galacto-tri decose (20) were synthesised by coupling disaccharide
模拟(1 ---- 6)连接的β-D-半乳糖四糖(Gal4)的间隔基修饰的三糖,即O-β-D-半乳糖吡喃糖基-(1 ---- 6)-S-β-D -galactopyranosyl-((1 ---- 11)-8 -azi- 6,7,8,9,10-pentadeoxy-11-thio-D-galacto-十一糖(12)和O-beta-D-D-galactopyranoyl- 1 ---- 6)-O-β-D-半乳糖吡喃糖基-(1 ---- 13)-8-azi-6,7,8,9,10,11,12-十七烷氧基-D-半乳糖三通过将二糖衍生物与8-azi-6,7,8,9,10-十五烷氧基-1,2:3,4-二-O-异亚丙基-11-O-甲苯磺酰基-α-D偶联来合成癸糖(20) -galacto-undecopycopyose(10)和8-azi-6,7,8,9,10,11,12-十七烷氧基-1,2:3,4-二