The regioselective carbon–carbon coupling of prop-2-yn-1-ols with
allyl alcohol is achieved in the presence of the ruthenium(II) catalyst
RuCl(cod)(C
5
Me
5
) and leads to either 2-hydroxy- or
2-allyloxy-5-methylenetetrahydropyrans.
在
钌(II)催化剂 RuCl(cod)(C 5 Me 5 ) 的存在下,丙-2-炔-1-醇与
烯丙醇实现了区域选择性碳-碳偶联,并生成 2-羟基或 2-烯丙氧基-5-亚甲基
四氢吡喃。