Laser Flash Photolysis Studies of Alkoxyl Radical Kinetics Using 4-Nitrobenzenesulfenate Esters as Radical Precursors
作者:John H. Horner、Seung-Yong Choi、Martin Newcomb
DOI:10.1021/ol006469g
日期:2000.10.1
4-Nitrobenzenesulfenate esters were used as precursors for the generation of alkoxyl radicals under laserflashphotolysis conditions. The esters were efficiently cleaved using the Nd:YAG third harmonic (355 nm) to produce alkoxyl radicals and the 4-nitrobenzenethiyl radical. Rate constants for beta-scission and 1, 5-hydrogen abstraction reactions of alkoxyl radicals were measured.