(3aR,4R,6S,7S,7aR)-4-Methoxy-2,2,6-trimethyl-7-((2S,3R,4S,5R,6R)-3,4,5-trimethoxy-6-methoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-[1,3]dioxolo[4,5-c]pyran 在
三氟乙酸 作用下,
以99%的产率得到(2R,3R,4S,5R,6S)-2-Methoxy-6-methyl-5-((2S,3R,4S,5R,6R)-3,4,5-trimethoxy-6-methoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-3,4-diol