lithium;[(3aS,4S,6R,7R,7aR)-6-[2-di(propan-2-yloxy)phosphorylethyl]-4-methoxy-2,2-dimethyl-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-7-yl] sulfate 在
Amberlyst-15 (H
+) 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
以98%的产率得到[2-((2R,3S,4S,5S,6S)-3,4,5-Trihydroxy-6-methoxy-tetrahydro-pyran-2-yl)-ethyl]-phosphonic acid diisopropyl ester