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1.
公开(公告)号:US6075167A
公开(公告)日:2000-06-13
申请号:US160821
申请日:1998-09-25
申请人: Hoon Sik Kim , Kun Yu Park , Young Soo Kwon , Moon Jo Chung , Byung Gwon Lee
发明人: Hoon Sik Kim , Kun Yu Park , Young Soo Kwon , Moon Jo Chung , Byung Gwon Lee
IPC分类号: C07C211/18 , C07C209/72 , C07C211/36 , C07C209/00
CPC分类号: C07C209/72
摘要: This invention relates to a method for preparing cycloaliphatic diamines by hydrogenating aromatic diamines in the presence of a supported ruthenium catalyst and a metal nitrite as a catalyst promoter to increase the rate of the hydrogenation reaction and decrease the amount of higher boiler by-products.
摘要翻译: 本发明涉及一种通过在负载型钌催化剂和亚硝酸金属作为催化剂促进剂的存在下将芳族二胺加氢来制备脂环族二胺的方法,以提高氢化反应速率并减少较高的锅炉副产物的量。