A highly diastereoselective synthesis of (-)-Erythrodiene was achieved via an intramolecular Pd-catalyzed Znene reaction as the key step. It was found that Pd(OAc)(2)/Bu3P was a superior catalyst for this reaction to Pd(PPh3)(4). (C) 1998 Elsevier Science Ltd. All rights reserved.
A highly diastereoselective synthesis of (-)-Erythrodiene was achieved via an intramolecular Pd-catalyzed Znene reaction as the key step. It was found that Pd(OAc)(2)/Bu3P was a superior catalyst for this reaction to Pd(PPh3)(4). (C) 1998 Elsevier Science Ltd. All rights reserved.