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a) Reaction on large scale, under standard conditions: 63 (3 or 4 mmol, 1 equiv), diene (2 or 3 equiv), sulfinate salt (2 or 3 equiv), NiCl2⋅6 H2O (10 mol %), PC‐V (2.5 mol %), dtbpy (15 mol %), MeCN (0.1 m), rt, blue LEDs, 36 or 48 h. b) Synthetic transformations of sulfones 65 and 67, see the Supporting Information for details.
