Reaction of 1,2-trans-glycosyl acetates with thiourea: a new entry to 1-thiosugars
作者:Farid M. Ibatullin、Konstantin A. Shabalin、Janne V. Jänis、Alexander G. Shavva
DOI:10.1016/j.tetlet.2003.08.120
日期:2003.10
The reaction of 1,2-trans-glycosyl acetates with thiourea Under boron trifluoride etherate catalysis affording acetylated S-glycosyl isothiourea derivatives is described. The isothiourea derivatives obtained can be readily transformed into the desired 1-thiosugar derivative by reaction with triethylamine and Subsequent alkylation or acylation of the in situ formed 1-thioaldose. (C) 2003 Elsevier Ltd. All rights reserved.