申请人:Mitsui Chemicals, Inc.
公开号:US20040143137A1
公开(公告)日:2004-07-22
The present invention relates to a process for producing 1,5-diaminonaphthalene without formation of 1,8-diaminonaphthalene and not through an unstable nitro imine and nitro enamine as intermediates, the process including the steps of dehydrogenating 5-substituted-1-tetralone to produce a naphthol compound and then aminating the hydroxyl group of the naphthol compound.
本发明涉及一种制备1,5-二氨基萘的方法,不形成1,8-二氨基萘,也不通过不稳定的硝基亚胺和硝基烯胺作为中间体,该方法包括将5-取代-1-四酮脱氢生成萘酚化合物,然后对萘酚化合物的羟基进行氨化的步骤。