Photocrystallisation of the 2C–2′C dimer of a triphenylimidazolyl radical†
Abstract
The structure of an unusual dimerisation mode of a triphenylimidazolyl radical has been elucidated, revealing a relatively long C–C bond. The diffraction-quality single crystals were produced under continuous irradiation by photocrystallisation in an adaption of the method that should be widely applicable to other photochromic systems.
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