Terminal alkynes and allyl alcohol are coupled, with carbonâcarbon bond formation, in the presence of a RuIV(C5Me5) catalyst, to give γδ-unsaturated acetals and with [RuCl(C5Me5)}4] or [RuCl(cod)(C5Me5)] preferentially to produce the branched γ,δ-unsaturated aldehydes.
在RuIV(C5Me5)催化剂的作用下,烯炔和
烯丙醇发生偶联反应,形成碳-碳键,生成γ-不饱和
缩醛,并优先与[RuCl(C5Me5)}4]或[RuCl(cod)(C5Me5)]反应,生成支链γ-不饱和醛。