Paramagnetic Palladacycles with Pd<sup>III</sup>Centers Are Highly Active Catalysts for Asymmetric Aza-Claisen Rearrangements
S.H. Eitel, M. Bauer, D. Schweinfurth, N. Deibel, B. Sarkar, H. Kelm, H.-J. Krüger, W. Frey, R. Peters, Journal of the American Chemical Society 134 (2012) 4683–4693.