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Organic letters

Efficient scavenging of Ph3P and Ph3P=O with high-loading merrifield resin.


PMID 11405732

Abstract

[see reaction]. A simple, highly effective method for removing triphenylphosphine and/or triphenylphosphine oxide from reaction mixtures is described. Commercially available high-loading chloromethylated polystyrene 1, modified in situ with NaI, acts as a scavenger resin. Several coupling reactions catalyzed by Pd(0) or Ni(0) which require the removal of triphenylphosphine are tested.

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T84603
Triphenylphosphine oxide, 98%
C18H15OP