Development of Efficient and Reusable Diarylphosphinopolystyrene??Supported Palladium Catalysts for C C Bond Forming Cross??Coupling Reactions
S Schweizer, JM Becht…
Index: Schweizer, Stephane; Becht, Jean-Michel; Le Drian, Claude Advanced Synthesis and Catalysis, 2007 , vol. 349, # 7 p. 1150 - 1158
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Citation Number: 43
Abstract
Abstract Short and versatile syntheses of reusable diarylphosphinopolystyrene-supported palladium catalysts 3a–j are described. The bis (o-tolyl) phosphino catalyst 3b is particularly efficient for the Suzuki and Sonogashira cross-couplings, whereas the bis (m-tolyl) phosphino catalyst 3c is the most active catalyst for Heck reactions. The couplings are performed under non-anhydrous reaction conditions and require only low amounts of ...
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