Nucleophilic Catalysis of Carbohydrate Oxime Formation by Anilines
作者:Mikkel B. Thygesen、Henrik Munch、Jørgen Sauer、Emiliano Cló、Malene R. Jørgensen、Ole Hindsgaul、Knud J. Jensen
DOI:10.1021/jo902425v
日期:2010.3.5
Chemoselective formation of glycoconjugates from unprotected glycans is needed to further develop chemical biology involving glycans. Carbohydrate oxime formation is often slow, and organocatalysis by anilines would be highly promising. Here, we present that carbohydrate oxime formation can be catalyzed with up to 20-fold increases in overall reaction rate at 100 mM aniline. Application of this methodology provided