Synthesis of 5,6-Dideoxy-5-phenylphosphinyl-L-galactopyranoses. The P-in-Ring Sugar Analogs of L-Fucose

Article abstract of DOI:10.1246/bcsj.64.869

1,2-O-Isopropylidene-3-O-methyl-6-O-tosyl-β-D-arabino-hexofuranos-5-ulose (9a) and its 3-O-benzyl congener (9b) were prepared from 1,2:5,6-di-O-isopropylidene-β-D-altrofuranose in 4 steps.Addition of methyl phenylphosphinate to 9a and 9b in the presence o