methylene seven-membered ring lactones. Depending on the metal, divergent reaction pathways were found for non terminal alkynoic acids. While Ag(I) led to lactones, Au(I) led to 2H-chromenes coming from the hydroarylation of the alkyne.
Ag(I)和Au(I)有效地催化末端炔酸的环异构化为亚甲基七元环内酯。取决于
金属,对于非末端炔酸发现了不同的反应途径。Ag(I)生成内酯,而Au(I)生成2 H-色烯,其来自
炔烃的加氢芳基化反应。