(untitled) - Greisch, J.-F; Weis, P; Brendle, K; Kappes, M M; Haler, J R. N; Far, J; De Pauw, E; Albers, C; Bay, S; Wurm, T; Rudolph, M; Schulmeister, J; Hashmi, A S. K (Organometallics, 2018)
For a mass spectrometry study aimed at detecting intermediates in this transformation, see: