Synthesis of Vaniprevir (MK-7009): Lactamization To Prepare a 22-Membered Macrocycle

Autor: Ian W. Davies, Paul N. Devine, Robert A. Reamer, David M. Tschaen, Fei Zhang, Daniel Zewge, Jeffrey T. Kuethe, David R. Lieberman, Zhihui Peng, Kevin M. Belyk, David M. Tellers, Guy R. Humphrey, Peter G. Dormer, Michel Journet, Andrew Nolting, Marjorie S. Waters, Dalian Zhao, Zhiguo J. Song
Rok vydání: 2011
Předmět:
Zdroj: The Journal of Organic Chemistry. 76:7804-7815
ISSN: 1520-6904
0022-3263
Popis: Development of a practical synthesis of MK-7009, a 22-membered macrocycle, is described. A variety of ring-closing strategies were evaluated, including ring-closing metathesis, intermolecular palladium-catalyzed cross-couplings, and macrolactamization. Ring closure via macrolactamization was found to give the highest yields under relatively high reaction concentrations. Optimization of the ring formation step and the synthesis of key intermediates en route to MK-7009 are reported.
Databáze: OpenAIRE