Improved Synthesis of Buprenorphine from Thebaine and/or Oripavine via Palladium-Catalyzed N-Demethylation/Acylation and/or Concomitant O-Demethylation

Machara, A.; Werner, L.; Endoma-Arias, M. Ann; D. Cox, P.; Hudlicky, T. Improved Synthesis of Buprenorphine from Thebaine and/or Oripavine via Palladium-Catalyzed N-Demethylation/Acylation and/or Concomitant O-Demethylation. Advanced Synthesis & Catalysis 2012, 354 (4), 613-626 DOI: 10.1002/adsc.201100807.