4a-Carbafuranoses

An example highlighting this synthetic tactic is outlined in Scheme 3, where 4a-carbafuranoses 20, 21 and 22, 23 were the chosen target compounds [7b,c]. The opening move was the BF3-assisted vinylogous... 

Rassu, G, Auzzas, L, Pinna, L, Zambrano, V, Battistini, L, Zanardi, F, Marzocchi, L, Acquotti, D, Casiraghi, G, Variable strategy toward carbasugars and relatives. 2. Diversity-based s3mthesis of beta-D-xylo, beta-D-ribo, beta-L-arabino, and beta-L-lyxo 4a-carbafuranoses and (4a-carbafuranosyl)thiols, J. Org. Chem., 66, 8070-8075, 2001. 

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