5 years ago

Exploring the Dynamics of the Photoinduced Ring-Opening of Heterocyclic Molecules

Exploring the Dynamics of the Photoinduced Ring-Opening of Heterocyclic Molecules
Rebecca A. Ingle, Christopher S. Hansen, Matthew Bain, Daniel Murdock, Barbara Marchetti, Tolga N. V. Karsili, Michael N. R. Ashfold
Excited states formed by electron promotion to an antibonding σ* orbital are now recognized as key to understanding the photofragmentation dynamics of a broad range of heteroatom containing small molecules: alcohols, thiols, amines, and many of their aromatic analogues. Such excited states may be populated by direct photoexcitation, or indirectly by nonadiabatic transfer of population from some other optically excited state (e.g., a ππ* state). This Perspective explores the extent to which the fast-growing literature pertaining to such (n/π)σ*-state mediated bond fissions can inform and enhance our mechanistic understanding of photoinduced ring-opening in heterocyclic molecules.

Publisher URL: http://dx.doi.org/10.1021/acs.jpclett.7b01219

DOI: 10.1021/acs.jpclett.7b01219

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