Document Type
Article
Abstract
After activation by chloride abstraction utilizing NaBArF as an activator (BArF = tetrakis(3,5-bis(trifluoromethyl)phenyl)borate), a complex of the general formula [RuCl2(PHOX)2] was utilized as a catalyst in propargylic substitution reactions, where PHOX is a phosphinooxazoline ligand. Oxygen and nitrogen-centered nucleophiles could be employed in the substitution of a propargylic acetate to obtain the corresponding propargylic substitution products in 87% to 9% isolated yields (45 °C, 16 h reaction time, toluene solvent, 1–2 mol% catalyst loading, 1–2 mol% activator).
Publication Date
3-5-2018
Publication Title
Catalysis Communications
Volume
106
First Page
92
Last Page
95
DOI
10.1016/j.catcom.2017.12.014
Recommended Citation
Jourabchian, Negar; Jurkowski, Kellsie; and Bauer, Eike B., "Ruthenium complexes of the general formula [RuCl2(PHOX)2] as precatalysts in propargylic substitution reactions" (2018). Educator Preparation & Leadership Faculty Works. 80.
DOI: https://doi.org/10.1016/j.catcom.2017.12.014
Available at:
https://irl.umsl.edu/epir/80