A CHIRAL SYNTHESIS OF 3,5,7-TRI-O-BENZYL-1,4,6-TRIDEOXY-4,6-DI-C-METHYL-keto-L-ido-2-HEPTULOSE, A SYNTHETIC SEGMENT OF THE C-1 - C-6 PORTION OF ERYTHRONOLIDE A

Article abstract of DOI:10.1016/0008-6215(82)84027-5

3,6-Dideoxy-1,2-O-isopropylidene-3-C-methyl-α-D-glucofuranose (9) was prepared from methyl 4,6-O-benzylidene-3-deoxy-3-C-methyl-α-D-glucopyranoside via 3-deoxy-1,2-O-isopropylidene-3-C-methyl-α-D-glucofuranose (5) in 61percent yield.The key intermediates,