Zhang Zhong-biao
2013
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Journal
Chemical Reagents
Abstract
With bis(4-fluorophenyl) phenyl phosphine oxide as starting material and 20% fuming sulfuric acid as sulfonating agent,three sulfonated monomers,bis(3-sodium sulfonate4-flurophenyl)-3'-sodium sulfonate phenyl phosphine oxide,3'-sodium sulfonate-4'-fluorophenyl-3″-sodium sulfonate phenyl-4-fluorophenyl phosphine oxide and di-(4-fluorophenyl) 3'-sodium sulfonate phenyl phosphine oxide were prepared.Easy operation and high yield of the method provide the basis for scaling up in commercial production.