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

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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

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ID: J42-Y2010-0610