Lithium bis(2-phenylphosphidoethyl)phenyl-phosphine: A reactive phosphorus intermediate

✍ Scribed by Lucas J. Mason; Alexander J. Moore; Amy Carr; Monte L. Helm

• Book ID: 102231071
• Publisher: John Wiley and Sons
• Year: 2007
• Tongue: English
• Weight: 166 KB
• Volume: 18
• Category: Article
• ISSN: 1042-7163
• DOI: 10.1002/hc.20351

✦ Synopsis

Abstract

Bis(2‐phenylphosphinoethyl)phenylphosphine, PhP(CH~2~CH~2~PPh~2~)~2~, reacts with lithium in tetrahydrofuran to give the corresponding lithium bis(2‐diphenylphosphidoethyl)phenylphosphine, Li~2~[PhP(CH~2~CH~2~PPh)~2~]. The lithium diphosphide is identified by NMR spectroscopy and further characterized through arylation with excess brombenzene to reform the starting phosphine, PhP(CH~2~CH~2~PPh~2~)~2~. Initial reactivity studies of the diphosphide, PhP(CH~2~CH~2~PPh), with some alkylhalides are also described. © 2007 Wiley Periodicals, Inc. Heteroatom Chem 18:675–678, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/hc.20351