(2S,3S,4S,5R,6S)-3,4,5-triacetoxyl-6-(1-(1-ethylpiperidin-2-yl)-3-methyl-6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinoline-5-oxy)tetrahydro-2H-pyran-2-methylformate 在
lithium hydroxide 作用下,
以
四氢呋喃 、
水 为溶剂,
反应 2.0h,
以63 mg的产率得到(2S,3S,4S,5R,6S)-3,4,5-trihydroxy-6-(1-(1-ethylpiperidin-2-yl)-3-methyl-6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinoline-5-oxy)tetrahydro-2H-pyran-2-formic acid