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DTSTART;TZID="Pacific Time (US & Canada)":20220325T151000
DTEND;TZID="Pacific Time (US & Canada)":20220325T160000
SUMMARY:AER Chemistry seminar — Cole Fisher
LOCATION:Fulmer Hall
DESCRIPTION:Title: Investigating Catalytic Ester Hydrolysis Using Ruthenium Complexes Supported by PNNNP Pincer Ligands\n\nAbstract: Esters are an extremely important class of compounds due to their extensive use. The decomposition of esters through hydrolysis is an extremely slow kinetic process and requires extreme conditions to proceed at a reasonable rate. One catalyst system that shows promise of being able to catalyze this process are Ru complexes bearing tridente-bisphosphinoamino pincer ligands. These pincer complexes are utilized due to their ability to be functionalized at multiple positions to modulate the reactivity. In this proposed work a (iPrPNNNP)Ru(OH) complex will be used to catalyze the hydrolysis of esters to form acids and alcohols. The work will begin by looking at the reactivity of alkoxides bound to (iPrPNNNP)Ru. In addition, the backbone pincer will be functionalized in new ways to investigate the influence on the reactivity of alkoxides. Finally, the hydrolysis of esters will be investigated, and catalytic conditions will be determined for formate esters, carboxylic esters and phosphate esters.
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