申请人:Mitsui Toatsu Chemicals, Inc.
公开号:US04692554A1
公开(公告)日:1987-09-08
A process for producing 1,3-bis(3-aminophenoxy)-benzenes which are very useful as a monomer for heat-resistant high molecular weight polymers is provided, which process comprises dehalogenating a bis(3-aminophenoxy)-halogenobenzene by its reduction, which compound is selected from the group consisting of 1,3-bis(3-aminophenoxy)-5-halogenobenzenes, 1,3-bis(3-aminophenoxy)-2,4-dihalogenobenzenes and 1,5-bis(3-aminophenoxy)-2,4-dihalogenobenzenes, these raw material compounds being respectively obtained by reacting a 1,3,5-trihalogenobenzene, a 1,2,3,4-tetrahalogenobenzene or a 1,2,4,5-tetrahalogenobenzene with 3-aminophenol in the presence of a dehydrohalogenating agent.
提供了一种生产1,3-双(3-氨基苯氧基)-苯的方法,该化合物非常适用于耐热高分子量聚合物的单体。该方法包括通过还原去卤化双(3-氨基苯氧基)-卤代苯化合物,所述化合物选自以下组合:1,3-双(3-氨基苯氧基)-5-卤代苯、1,3-双(3-氨基苯氧基)-2,4-二卤代苯和1,5-双(3-氨基苯氧基)-2,4-二卤代苯。这些原材料化合物分别通过在脱卤剂的存在下将1,3,5-三卤代苯、1,2,3,4-四卤代苯或1,2,4,5-四卤代苯与3-氨基苯酚反应而获得。