Fig. 1: Strategies for asymmetric α-alkenylation of carbonyls.
From: Asymmetric C–H Dehydrogenative Alkenylation via a Photo-induced Chiral α‑Imino Radical Intermediate
I Traditional alkenylation strategy with activated precursors. II Synergistic photoredox-cobalt-chiral primary amine catalysis for direct alkenylation in this work.
