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Rhodium-Catalyzed Alkenyl C−H Activation and Oxidative Coupling with Allylic Alcohols

Rui Yan,Zhong-Xia Wang

Graphical Oxidative coupling of allylic alcohols : [Cp*RhCl 2 ] 2 was demonstrated to catalyze the oxidative coupling of alkenylpyridines with allylic alcohols through alkenyl C−H activation in the presence of AgOTf and AgOAc to afford β-alkenyl ketones and aldehydes in moderate to good yields. [Cp*RhCl 2 ] 2 was demonstrated to catalyze the oxidative coupling of alkenylpyridines with allylic alcohols through alkenyl C−H activation in the presence of AgOTf and AgOAc to afford β-alkenyl ketones and aldehydes in moderate to good yields. Allylic alcohol, 1-aryl and 1-alkyl allylic alcohols can be coupled with various alkenylpyridines. The reaction occurred at the γ-position of allylic alcohols and the cis -β-position of the alkenylpyridines.