(8E)-6-benzyl-8-ethylidene-2-morpholin-4-yl-5,6,7,8-tetrahydro-1,6-naphthyridine 在
钯 氢气 、 silica gel 、
ethyl acetate n-hexane 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以to give 8-ethyl-2-morpholin-4-yl-5,6,7,8-tetrahydro-1,6-naphthyridine (0.0078 g, 20%) as an oil的产率得到8-ethyl-2-morpholin-4-yl-5,6,7,8-tetrahydro-1,6-naphthyridine