... All nmr specta were recorded on a Varian Gemini 400 MHz multiprobe spectromete r. Chemical shifts are ... 23] JJ Li and GG Gribble, Palladium in Heterocyclic Chemistry, Pergamon, Elsevier ... C. Zhang, ED Stevens, S. Izenwasser, D. Wade, S. Chen, D. Paul and ML Trudell, J. Med ...