{3-[1,1-dimethyl-2-(tetrahydro-pyran-2-yloxy)-ethyl]-isoxazol-5-yl}-di-carbamic acid di-tert-butyl ester 在
lithium hydroxide monohydrate 、 sodium hydroxide 作用下,
以
甲醇 为溶剂,
反应 1.5h,
以81%.的产率得到{3-[1,1-dimethyl-2-(tetrahydro-pyran-2-yloxy)-ethyl]-isoxazol-5-yl}-carbamic acid tert-butyl ester