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Reaction conditions: 0.2 mmol, 1.0 equiv of N-allyltoluenesulfonamide, 1.5 equiv of 1,3-dihalo-5,5′-dimethylhydantoin, 3.0 equiv of olefin, 0.5 mol % (Ir[dF(CF3)ppy]2(dtbpy))PF6, 4 mL total (step 2) of DCM. aDiastereomeric ratios not able to be determined due to inseparability and substantial overlapping of peaks in the 1H NMR spectra of the isolated diastereomers.
2 equiv of olefin component used.
0.5 mol % 4CzIPN used as photocatalyst instead.
