An unexpected rearrangement occurred when an imidazolinium based OCO pincer-type ligand (1) reacted with PCl3 producing a chlorophosphine with a pendant oxazolium “arm” (3). The mechanism of this rearrangement was studied both experimentally and by density functional theory (DFT) computations. The deprotonation of 3 led to further unexpected results.
D. Bawari, S. Volodarsky, Y. Ginzburg, K. Jaiswal, P. Joshi and R. Dobrovetsky, Dalton Trans., 2021, 50, 16478 DOI: 10.1039/D1DT03363H
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