Conversion of D-Glucofuranose to L-arabino-Hexofuranoside
摘要:
Solvolysis of 2, 3-di-O-benzyl-5-O-mesyl-6-O-trityl-D-glucofuranose (IV) was carried out under an oxide ring migration, affording methyl 2, 3-di-O-benzyl-α-L-altrofuranoside (XVIIIa) and its β-anomer (XVIIIb) in a ratio of 1 : 2.2.