2-[(2-{(3R)-3-[(benzyloxy)methyl]-2,3-dihydro-1,4-benzodioxin-6-yl}ethyl)amino]-1-(2-phenyl-4H-[1,3]dioxino[5,4-b]pyridin-6-yl)ethanol 在
silica 、
methanol-dichloromethane 作用下,
以
水 为溶剂,
反应 0.5h,
以to give the tftle compound (31 mg)的产率得到6-{2-[(2-{(3R)-3-[(benzyloxy)methyl]-2,3-dihydro-1,4-benzodioxin-6-yl}ethyl)amino]-1-hydroxyethyl}-2-(hydroxymethyl)pyridin-3-ol