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Scope with electron‐deficient alkenes. Yields of isolated products are given. Ar=4‐MeOC6H4. Reaction conditions: 1 a (0.2 mmol), 2 a–2 r (0.4–0.8 mmol), PC(1) (2 mol %), quinuclidin‐3‐ol (20 mol %), irradiation supplied by a commercial blue LED strip (14.4 W at 450 nm).
