|Title||High-Affinity Proton Donors Promote Proton-Coupled Electron Transfer by Samarium Diiodide|
|Publication Type||Journal Article|
|Year of Publication||2016|
|Authors||Chciuk TV, Anderson, Jr. WR, Flowers, II RA|
|Journal||Angewandte Chemie International Edition|
The relationship between proton-donor affinity for SmII ions and the redn. of two substrates (anthracene and benzyl chloride) was examd. A combination of spectroscopic, thermochem., and kinetic studies show that only those proton donors that coordinate or chelate strongly to SmII promote anthracene redn. through a PCET process. These studies demonstrate that the combination of SmII ions and water does not provide a unique reagent system for formal hydrogen atom transfer to substrates.