Selective arylation of 1,1-disubstituted olefins using a biphenyl-based phosphine in Heck coupling reactions
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Add time:09/25/2019 Source:sciencedirect.com
The biphenyl-based phosphine, 2-diphenylphosphino-2′-methylbiphenyl is an effective ligand for palladium-catalyzed terminal arylation of 1,1-disubstituted olefins with aryl bromides in DMF and K2CO3 as base. The yields of products are independent of the electronic properties of the aryl bromides, however, the nature of the olefin has a major effect.
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