3,3’-二氨基-4,4’-二羟基二苯砜的合成  

Preparation of the 3,3’-Diamino-4,4’-dihydroxydiphenyl Sulfone

作　　者：张慧丽 曹波 王轩 Zhang Huili;Cao Bo;Wang Xuan(Tianjin Junkai ChemicalCo.,Ltd.,Tianjin 300384,China;Chinatech (Tianjin) Chemical Co.,Ltd.,Tianjin 300384,China)

机构地区：[1]天津市均凯化工科技有限公司,天津300384 [2]天津市众泰化工科技有限公司,天津300384

出　　处：《山东化工》2019年第17期67-67,70,共2页Shandong Chemical Industry

摘　　要：3,3'-二硝基-4,4'-二氯二苯砜与氢氧化钠在二甲基亚砜中85℃反应得到3,3'-二硝基-4,4'-二羟基二苯砜,再经铁粉/氯化铵50℃下经还原反应得到3,3'-二氨基-4,4'-二羟基二苯砜,总收率74%。该路线具有收率高,原材料易得,环境友好等优点。3,3'-dinitro-4,4'- dichlorodiphenyl sulfone react with sodium hydroxide in DMSO 85℃ to get3,3'-dinitro-4,4'- dihydroxydiphenyl sulfone;then react with iron and ammonium chloride to get3,3'-diamino-4,4'- dihydroxydiphenyl sulfone,the total yield was 74%. This route has high yield,easy to buy raw materials,environment friendly,etc.

关 键 词：3 3'-二氨基-4 4'-二羟基二苯砜 3 3'-二硝基-4 4'-二羟基二苯砜 3 3'-二硝基-4 4'-二氯二苯砜 

分 类 号：TQ247.3[化学工程—有机化工]