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公开(公告)号:US4012451A
公开(公告)日:1977-03-15
申请号:US650158
申请日:1976-01-19
IPC分类号: C07C315/00 , C07C67/00 , C07C313/00 , C07C315/06 , C07C317/14 , C07C147/06
CPC分类号: C07C317/00
摘要: Pure 4,4'-dichlorodiphenylsulfone is separated from the reaction mixture containing 4,4'-dichlorodiphenylsulfone and the isomers thereof by adding the reaction mixture to the mixture of trichloroethylene or tetrachloroethylene, and water to extract 4,4'-dichlorodiphenylsulfone with said organic solvent and cooling the organic solution separated from the water layer to precipitate pure 4,4'-dichlorodiphenylsulfone.
摘要翻译: 通过将反应混合物加入到三氯乙烯或四氯乙烯的混合物中,从含有4,4'-二氯二苯砜及其异构体的反应混合物中分离出纯的4,4'-二氯二苯砜和水,以用所述有机物萃取4,4'-二氯二苯砜 溶剂并冷却从水层分离的有机溶液,以沉淀出纯的4,4'-二氯二苯砜。