Fig. 1: Visible-light photocatalytic 1,2-difunctionalizing carboxylation of alkenes with CO2.
From: Arylcarboxylation of unactivated alkenes with CO2 via visible-light photoredox catalysis

a Visible-light photocatalytic 1,2-difunctionalizing carboxylation of activated alkenes with CO2. b Visible-light photocatalytic arylcarboxylation of unactivated alkenes with CO2. PC photocatalyst, EWGs electron-withdrawing groups.