1,5-dimethyl-3-(5-nitro-pyridin-2-yl)-6-exo,7-exo-(isopropylidinedioxy)-8-oxa-bicyclo[3.2.1]oct-2-ene 在
5%-palladium/activated carbon
氢气 作用下,
以
乙醇 为溶剂,
反应 2.5h,
以78%的产率得到(3-exo)-(5-amino-pyridin-2-yl)-1,5-dimethyl-6-exo,7-exo-(isopropylidinedioxy)-8-oxa-bicyclo[3.2.1]octane