Issue 45, 2021

Phosphorus mediated imidazolinium to oxazolium ring rearrangement

Abstract

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.

Graphical abstract: Phosphorus mediated imidazolinium to oxazolium ring rearrangement

Supplementary files

Article information

Article type
Communication
Submitted
05 Oct 2021
Accepted
19 Oct 2021
First published
19 Oct 2021

Dalton Trans., 2021,50, 16478-16482

Phosphorus mediated imidazolinium to oxazolium ring rearrangement

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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