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Author

J. Searles

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Open access Aug 2026

Resolving Competing Ultraviolet Photoinduced Ring-Opening and Dissociation Pathways in Iodothiophenes by Ultrafast Electron Diffraction

The ultraviolet photochemistry of halothiophenes is thought to proceed via competing pathways, prompt C–X (X = halogen) bond fission, and parent ring opening followed by fragmentation, yet direct structural evidence distinguishing these mechanisms is limited. Here, time-resolved gas-phase ultrafast electron diffracti...

A. Ghrist, Matthew Bain, Yu-Song Liu et al. · 0 citations
Preprint Sep 2026

Heteroatom Position Controls Ultrafast Photodynamics of Oxazole and Isoxazole

The ultrafast photochemistry of heterocyclic compounds is central to photobiology and materials chemistry, yet direct experimental observation of their structural dynamics remains rare. Here we present the first real-time structural characterization of photoinduced ring opening and subsequent fragmentation in the isome...

Briony Downes-Ward, Paul Javed, Huynh V. S. Lam et al. · 0 citations

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