The installation of the 2-furyl ring at the anomeric carbon of 2,3,4,6-tetra-O-benzyl-D-glucopyranose and 2,3:5,6-di-O-isopropylidene-D-mannofuranose is carried out either by addition of 2-lithiofuran to the correspondinglactones either by direct C-glycosidation of the O-acetyl derivatives with furan; the resultant 2-furyl C-glycosides are converted to carboxylic acids by the oxidative cleavage of the furan nucleous. © 1993.
FURAN-BASED SYNTHESIS OF C-GLYCOSYL CARBOXYLATES
DONDONI, Alessandro;MARRA, Alberto;
1993
Abstract
The installation of the 2-furyl ring at the anomeric carbon of 2,3,4,6-tetra-O-benzyl-D-glucopyranose and 2,3:5,6-di-O-isopropylidene-D-mannofuranose is carried out either by addition of 2-lithiofuran to the correspondinglactones either by direct C-glycosidation of the O-acetyl derivatives with furan; the resultant 2-furyl C-glycosides are converted to carboxylic acids by the oxidative cleavage of the furan nucleous. © 1993.File in questo prodotto:
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