Method for making aromatic phosphorus compounds

Compounds of the formula wherein R is lower alkyl or aryl, Y is oxygen or sulfur, m is 0 or 1, Ar is arylene, and X is halogen, methyl, or aryloxy, or polymers containing repeating units of this kind are prepared from a compound R-P(Y)rCl2, where r is 0 or 1 but is never greater than m, by reaction...

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Hauptverfasser: UDE, WERNER, BESECKE, SIEGMUND, RIEMANN, ACHIM, SCHROEDER, GUENTHER
Format: Patent
Sprache:eng
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Zusammenfassung:Compounds of the formula wherein R is lower alkyl or aryl, Y is oxygen or sulfur, m is 0 or 1, Ar is arylene, and X is halogen, methyl, or aryloxy, or polymers containing repeating units of this kind are prepared from a compound R-P(Y)rCl2, where r is 0 or 1 but is never greater than m, by reaction with one or two molar parts of a compound H-ArX in the presence of a Friedel-Crafts catalyst.