A palladium-catalyzed reaction of 2-alkynylhalobenzenes with 2-alkynylphenols in the presence of PCy3 is discovered, which provides an efficient and facile route to indeno[1,2-c]chromenes. This reaction works efficiently, leading to the corresponding products in good to excellent yields.
在 PCy3 的存在下,发现了 2-炔基卤苯与 2-炔基
酚的
钯催化反应,这为
茚并[1,2-c]色烯提供了一条高效简便的途径。该反应效果显著,相应产物的收率从良好到极佳。