Fig. 2: Photo-induced carboxylation of C(sp2)−S Bonds in aryl thiols with CO2.
From: Photo-induced carboxylation of C(sp2)−S bonds in aryl thiols and derivatives with CO2
Reaction Conditions: 1a (0.2 mmol), tBuOK (3.5 eq.), DMSO (2.0 mL), 1 atm of CO2, 365 nm LEDs, rt, 12 h, then 2 N HCl. Yields of isolated products. aGram-scale reaction, 36 h. btBuOK (5.0 eq.). cCs2CO3 (3.5 eq.). dtBuOLi (3.5 eq.). eDMSO/THF (2:1, v/v, 3 mL).
