Cross-couplingreaction of bis(pinacolato)diboron with β-(trifluoromethanesulfonyloxy)-α,β-unsaturated carbonyl compounds was carried out in the presence of PdCl 2 (PPh 3 ) 2 -2PPh 3 (3 mol%) and KOPh in toluene or K 2 CO 3 in dioxane for the synthesis of cyclic and acyclic β-boryl-α,β-unsaturated esters, amides, and ketones in high yields.
双(频哪醇)二硼与β-(三氟甲磺酰氧基)-α,β-不饱和羰基化合物的交叉偶联反应在PdCl 2 (PPh 3 ) 2 -2PPh 3 (3 mol%)和KOPh的甲苯中进行或二恶烷中的 K 2 CO 3 用于以高产率合成环状和非环状 β-硼基-α,β-不饱和酯、酰胺和酮。