Synthesis of β-Boryl-α,β-unsaturated Carbonyl Compounds via Palladium-Catalyzed Cross-Coupling Reaction of Bis(pinacolato)diboron with Vinyl Triflates
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概要
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Cross-coupling reaction of bis(pinacolato)diboron with -(trifluoromethanesulfonyloxy)- , -unsaturated carbonyl compoundswas carried out in the presence of PdCl2(PPh3)2-2PPh3 (3mol%) and KOPh in toluene or K2CO3 in dioxane for the synthesisof cyclic and acyclic -boryl- , -unsaturated esters, amides, andketones in high yields.
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