Appearance white solid | ||
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(2-Bromophenyl)diphenylphosphine is an organophosphorus compound with the formula (C6H4Br)P(C6H5)2. It is a white crystalline solid that is soluble in nonpolar organic solvents. The compound is used as a precursor to the 2-lithiated derivative of triphenylphosphine, which in turn is a precursor to other phosphine ligands.
Preparation
The compound has been prepared by several methods. An efficient route is the coupling reaction of diphenylphosphine and 2-bromoiodobenzne, which is catalyzed by palladium complexes (Ph = C6H5):
C6H4Br(I) + HPPh2 + Et3N → Ph2P(C6H4Br) + [Et3NH]IThe compound is isomorphous with (2-tolyl)diphenylphosphine.
References
(2-Bromophenyl)diphenylphosphine Wikipedia(Text) CC BY-SA