Journal of Physical Chemistry p. 1056 - 1059 (1990)
Update date:2022-08-02
Topics:
Falvey, Daniel E.
Khambatta, Binaifer S.
Schuster, Gary B.
The neophyl-like rearrangment of alkoxy radicals was examinde by means of picosecond time scale absorption spectroscopy.The triphenylmethoxy radical (Ph3CO.) rearranges to form the α-phenoxydiphenylmethyl radical (Ph2COPh.) with a rate constant greater than 5 x 1010 s-.The rearrangment of 1,1-diphenylethoxy radical (PhCH3CO.) was also examined.In acetonitrile solution, an intermediate is formed in less than 17 ps and then decays with a lifetime of 312 ns.It is proposed that this intermediate is a brigded spiro<2.6>octadiene-type radical.
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