乙醇 、
ethyl (3aα,4α,7aα)-3a,4,7,7a-tetrahydro-6,7a-dimethyl-3-(phenylsulfonyl)-4-<2-(trifluoromethyl)phenyl>isoxazolo<5,4-b>pyridine-5-carboxylate 在
lithium 作用下,
反应 1.0h,
以36%的产率得到ethyl (3aα,4α,7aα)-3-ethoxy-3a,4,7,7a-tetrahydro-6,7a-dimethyl-4-<2-(trifluoromethyl)phenyl>isoxazolo<5,4-b>pyridine-5-carboxylate