The addition of bis(pinacolato)diboron [(Me4C2O2)B-B(O2C2Me4)] to α,β-unsaturated ketones, esters, nitriles, or terminal alkynes and the coupling with allyl chlorides were carried out in DMF at room temperature in the presence of CuCl and AcOK. The transmetalation from boron to copper generating a B–Cu species was proposed as the key step of the reactions.
将双(
频哪醇)二
硼[(Me4C2O2)B-B(O2C2Me4)]加入α,β-不饱和酮、酯、腈或末端
炔烃,并与烯丙基
氯在
DMF中于室温下进行偶联反应,反应体系中存在CuCl和AcOK。从
硼到
铜的转
金属化生成B–Cu物种被认为是反应的关键步骤。