Abstract Highly efficient palladium-catalyzed Heck coupling of aryl nonaflates with electron-rich vinyl ethers, and enamides is described. These reactions afforded exclusively the branched products in good yields. The results indicated that aryl nonaflates are effective alternative to the frequently employed aryl triflates.
Received: 23 January 2008
Fund:We thank the Renmin University of China and the National Natural Science Foundation of China (Nos. 20542009 and 20672139) for financial support.
Li Jin Xu,email@example.com