1,2-cis 2 3,5 o (di tert butylsilylene) dextro galactofuranosyl trichloroacetimidate 2 Carbohydrate Conformation 2 Diethyl ethers 2 Esterification 2 Ethereal solvents 2 Ethers 2 Furans 2 Galactofuranose 2 Galactosides 2 Glycosylation 2 Glycosylation reactions 2 Organosilicon Compounds 2 Protecting groups 2 Reaction intermediates 2 Reaction solvents 2 Solvents 2 Solvents effects 2 Trichloroacetimidate 2 article 2 conformation 2 dextro galactono 1,4 lactone 2 dichloromethane 2 glucose derivative 2 glycosylation 2 lactone derivative 2 priority journal 2 reaction analysis 2 synthesis 2 temperature 2