Triphenylphosphine oxide is a polar, often amorphous solid ... formation of pentavalent organophosphorus species he found that phosphonium salts with alkyl substituents were deprotonated to ...
Pentyldiphenylphosphine oxide 3:- Pentyl bromide (2.5 ml ... The mixture was allowed to cool and the precipitated phosphonium salt filtered off and washed with toluene. The phosphonium salt was used ...
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