Table 2. Photooxidation Tests Performed with C4 and C2′ + Na[1]^a.

entry	photocatalyst	substrate	product	TON (yield, selectivity %)
1	C4	1-phenylethanol	acetophenone	16200 (81, ≥99)
2	C2′	1-phenylethanol	acetophenone	4400 (22, ≥99)
3	Na[1]	1-phenylethanol	acetophenone	6200 (62, ≥99)
4	C2′ + Na[1](1:1)	1-phenylethanol	acetophenone	12800 (64, ≥99)
5	C2′ + Na[1](1:2)	1-phenylethanol	acetophenone	15200 (76, ≥99)
6	C4	4-methylbenzyl alcohol	4-methylbenzaldehyde	19600 (98, ≥99)
7	C2′	4-methylbenzyl alcohol	4-methylbenzaldehyde	5200 (25, ≥96)
8	C2′ + Na[1](1:1)	4-methylbenzyl alcohol	4-methylbenzaldehyde	17200 (70, 82)
9	C2′ + Na[1] (1:2)	4-methylbenzyl alcohol	4-methylbenzaldehyde	18000 (86, 96)

^aConditions: C4 (0.001 mM); C2′ and Na[1] (0.001 mM) for ratio 1:1 (C2′/Na[1]); C2′ (0.001 mM) and Na[1] (0.002 mM) for ratio 1:2 (C2′/Na[1]), substrate (20 mM), Na₂S₂O₈ (40 mM), 5 mL of a potassium carbonate solution at pH = 7. Light irradiation during 4 h.