Observation of the Neophyl Radical Rearrangement by Electron Spin Resonance Spectroscopy | Zendy

Hamilton Edwin J. | Zendy; Fischer Hanns | Zendy

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Observation of the Neophyl Radical Rearrangement by Electron Spin Resonance Spectroscopy

Author(s) -

Hamilton Edwin J.,

Fischer Hanns

Publication year - 1973

Publication title -

helvetica chimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.74

H-Index - 82

eISSN - 1522-2675

pISSN - 0018-019X

DOI - 10.1002/hlca.19730560222

Subject(s) - chemistry , photodissociation , electron paramagnetic resonance , spectroscopy , photochemistry , activation energy , methyl radical , nuclear magnetic resonance spectroscopy , spin (aerodynamics) , radical , resonance (particle physics) , nuclear magnetic resonance , stereochemistry , atomic physics , organic chemistry , physics , quantum mechanics , aerospace engineering , engineering

The rearrangement of the 2‐methyl‐2‐phenylpropyl (or neophyl) radical 1 to the 1‐methyl‐1‐benzylethyl radical 2 is observed by ESR. spectroscopy during photolysis of di‐ t ‐butylperoxide in t ‐butylbenzene at 270–360 K. The energy of activation of the rearrangement is determined to be (43 ± 9) kJ mol −1 .

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