Advantageous Use of t Bu2P-N P (i BuNCH2CH2) 3N in the Hiyama Coupling of Aryl Bromides and Chlorides
…, JV Kingston, JG Verkade
Index: Raders, Steven M.; Kingston, Jesudoss V.; Verkade, John G. Journal of Organic Chemistry, 2010 , vol. 75, # 5 p. 1744 - 1747
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Citation Number: 36
Abstract
An efficient catalytic route to biaryls by employing (generally) only 0.25 mol% of Pd (OAc) 2 and 0.5 mol% of 1 in the Hiyama coupling reaction is reported. High yields for electron-rich,- neutral, and-deficient aryl chlorides are obtained. A variety of phenylsiloxanes undergo coupling with aryl bromides and chlorides with low Pd (OAc) 2/1 loadings.
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