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Advantageous Use of tBu2P-N=P(iBuNCH2CH2)3N in the Hiyama Coupling of Aryl Bromides and Chlorides

Steven M. Raders, Jesudoss V. Kingston and John G. Verkade

*Department of Chemistry, Gilman Hall, Iowa State University, Ames, Iowa 50011, Email: jverkadeiastate.edu

S. M. Raders, J. V. Kingston, J. G. Verkade, J. Org. Chem., 2010, 75, 1744-1747.

DOI: 10.1021/jo902338w (free Supporting Information)


Abstract

Employing low loadings of Pd(OAc)2 and an iminoproazaphosphatrane as bulky ligand in the Hiyama coupling reaction gives biaryls in high yields. Electron-rich, -neutral, and -deficient aryl chlorides and bromides undergo coupling with various phenylsiloxanes.

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Key Words

Hiyama Coupling, Biaryls


ID: J42-Y2010-0610