Evidence of Hydrogen Migration in an Alkylphenyldiazirine Excited State
作者:Yunlong Zhang、Jacek Kubicki、Matthew S. Platz
DOI:10.1021/ol101127c
日期:2010.7.16
Ultrafast photolysis (350 nm) of alkylphenyldiazirines promotes the diazirine to the Si excited state. Solvent and substituent effects on the excited state lifetimes indicate that the S-1 state is highly polarized and undergoes a [1,2]-H shift in concert with nitrogen extrusion in cyclohexane.