Synthesis of C-glycosylarenes by way of internal reactions of benzylated and benzoylated carbohydrate derivatives.

Article abstract of DOI:10.1016/0008-6215(90)84105-4

"Internal" C-glycosylarenes [e.g., (2R,3S,3aS,9bR)-3,3a,5,9b-tetrahydro-3-methoxy- and -3,7-dimethoxy-2-methoxymethyl-2H-furo[3,2-c][2]benzopyran] were prepared by intramolecular reactions of 2-O-benzyl derivatives of methyl 3,5-di-O-methyl-D-xylofuranosi