Crich David, Vinogradova Olga
Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061, USA.
J Org Chem. 2007 Aug 17;72(17):6513-20. doi: 10.1021/jo070750s. Epub 2007 Jul 28.
A synthesis of the pentenyl glycoside of the tetrasaccharide side chain from the major glycoprotein of Bacillus anthracis by a [3 + 1] approach is described. The construction of the 1,2-trans-glycosidic linkage in the terminal anthrose moiety was achieved through the application of known alpha-nitrilium ion-mediated beta-selective glycosylation methodology. An iterative glycosylation strategy was used for the assembly of the trirhamnan building block. A new route to the anthrose saccharide was developed from D-galactose.
描述了通过[3 + 1]方法从炭疽芽孢杆菌主要糖蛋白合成四糖侧链的戊烯基糖苷。通过应用已知的α-腈鎓离子介导的β-选择性糖基化方法,在末端蒽糖部分构建了1,2-反式糖苷键。采用迭代糖基化策略组装三鼠李糖结构单元。从D-半乳糖开发了一条合成蒽糖的新路线。