Comparison of the results of the photocatalytic direct DCC between various arenes and THF with the photocatalysts and the blended catalysts^a.

Entry	Arene	DCC products	Yield of DCC products, Y (%)b
			Pd(3.0)/TiO2	Pd(2.0)Au(1.0)/TiO2	TiO2 + Pd(3.0)/Al2O3	TiO2 + Pd(2.0)Au(1.0)/Al2O3
1c	1	1a	0.04(>99)	0.006(>99)	0.05(>99)	0.06(>99)
2d	2	2a	1.24(36)	0.42(32)	1.06(43)	1.73(46)
3e	3	3a	0.10(80)	0.08(82)	0.06(68)	0.27(57)
4f	4	4a	0.05(64)	0.02(74)	0.01(50)	0.03(90)
5g	5	5a	0.02(19)	0.003(6)	0.02(14)	0.02(23)

^a2 mL (19–24 mmol) of arene, 2 mL (24 mmol) of THF, and 50 mg of the photocatalyst or 100 mg of the blended catalyst were used, other conditions were the same as those described in Table 1.

^bThe total yield, Y (%), of DCC products. The value in parenthesis shows % S. The definition of % Y and % S is mentioned in the Experimental section.

^c2 mL (22.4 mmol) of benzene (1).

^d2 mL (19.9 mmol) of benzaldehyde (2).

^e2 mL (19.4 mmol) of benzonitrile (3).

^f2 mL (19.01 mmol) of toluene (4).

^g2 mL (21.9 mmol) of aniline (5).