Efficient and convenient copper-free Pd(OAc)2/Ruphos-catalyzed Sonogashira coupling in the preparation of corfin analogues

• DOI: 10.1016/j.tetlet.2014.12.059
• Publication Date: 2014-12-23T05:02:14Z
• Authors: Changalaraya Dasa...; Yadavalli Suneel ...; Kamalakannan Prab...; Fazlur-Rahman Naw...; Euh Duck Jeong; Eun Hyuk Chung
• Keywords: Sonogashira coupling; Tetrahydrofuran; Base (topology)

AbstractNovel 3‐(alkynyl)‐1H‐isochromen‐1‐ones (III) are obtained via a new Pd‐catalyzed Sonogashira coupling methodology.