Method for producing dihydroxydiphenylsulfone isomer mixture

本发明提供一种制备含有2，4'-二羟基二苯砜的二羟基二苯砜异构体混合物的方法，包括在苯酚和硫酸或磺酸的存在下，加热4，4'-二羟基二苯砜或含有至少85重量％的4，4'-二羟基二苯砜的二羟基二苯砜异构体混合物。 The present invention provides a process for producing a mixture of dihydroxydiphenylsulfone isomers containing 2,4'-dihydroxydiphenylsulfone, the process comprising heating 4...

Full description

Saved in:
Bibliographic Details
Main Authors OI SATSUO, YAMAMOTO MICHIMASA, YANASE NORIO
Format Patent
LanguageChinese
English
Published 22.12.2004
Edition7
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
Online AccessGet full text

Cover

More Information
Summary:本发明提供一种制备含有2，4'-二羟基二苯砜的二羟基二苯砜异构体混合物的方法，包括在苯酚和硫酸或磺酸的存在下，加热4，4'-二羟基二苯砜或含有至少85重量％的4，4'-二羟基二苯砜的二羟基二苯砜异构体混合物。 The present invention provides a process for producing a mixture of dihydroxydiphenylsulfone isomers containing 2,4'-dihydroxydiphenylsulfone, the process comprising heating 4,4'-dihydroxydiphenylsulfone or a mixture of dihydroxydiphenylsulfone isomers containing at least 85 wt.% of 4,4'-dihydroxydiphenylsulfone in the presence of phenol and sulfuric or sulfonic acid.
Bibliography:Application Number: CN20028018400