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- W938599643 abstract "Treatment of phenylthiophosphonic dichloride (DCPPS) with toluene by Friedel-Crafts reaction afforded bis(4-methylphenyl) phenylphosphine sulfide (p-BMPPS), which was oxidated into key intermediate, bis(4-carboxyphenyl) phenylphosphine oxide (p-BCPPO) in the presence of KMnO4 in aqueous solution of pyridine and potassium hydroxide in two step, respectively. And then reaction of bis(4-carboxyphenyl) phenylphosphine oxide (p-BCPPO) with sulfur oxychloride yielded polymerization-grade monomer bis (4-chloroformyl) phenylphosphine oxide in good yields. The present method has the advantage of ready availability of starting materials, mild reaction condition, convenient manipulation and low toxicity for the industrial preparation of bis(4-chloroformyl) phenylphosphine oxide." @default.
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- W938599643 date "2004-05-01" @default.
- W938599643 modified "2023-09-23" @default.
- W938599643 title "双（4-氯甲酰苯基）苯基氧化膦的合成与表征" @default.
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