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Substrate scope of arenes.
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2x (0.1 mmol, 0.033 M), Pd(PPh3)4 (2.5 mol%), KHCO2 (2 equiv), and arene (3 mL) under 40 W blue LED irradiation without fan cooling (50 ± 5 °C). All yields are isolated yields. Regioselectivity (ortho/meta/para, a/b, a/b/c) is measured by GC or NMR and given in the parenthesis.
aPd(PPh3)4 (5 mol%).
b1:1 mixture of arene and veratrole as solvent.
c48 h.
dNMR yield.
