methyl (S)-((3aR,4R,7R,7aS)-4-methoxy-2,2-dimethyl-7-(2-tosylhydrazineyl)tetrahydro-4H-[1,3]dioxolo[4,5-c]pyran-7-yl)(phenyl)phosphinate 在
sodium tetrahydroborate 作用下,
以
四氢呋喃 为溶剂,
反应 20.0h,
以57%的产率得到methyl 4-deoxy-2,3-O-isopropylidene-4-<(R)-(methoxy)phenylphosphinyl>-β-D-ribopyranoside