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Electronic circular dichroism unravels atropisomers of a broadly absorbing fulgide derivative
(2022)
We prepared and studied six atropisomers with different chiroptical properties emerging from a single, robust, broadly-absorbing fulgide photoswitch. After separation of the different atropisomers via HPLC on a chiral column, their isomerization processes at room temperature and the energy barriers of the different species were investigated in detail using spectroscopic and theoretical methods.