Table 7.

Synthesis of unsymmetrically substituted biaryls from 4,4′-diboromobiphenyl (17).^a

dibromobiaryl	electrophile	yield (%)b
17	E1: MeI E2: Me3SiCl	26
		71 c
	E1: Me3SiCl E2: MeI	26
		75 d
	E1: MeI E2: MeOCOCl	27
		56

^aReactions were conducted in the microflow system shown in Figure 3 unless otherwise stated. ^bDetermined by GC. ^cR4: ø = 1000 μm, l = 200 cm. ^dR4: ø = 1000 μm, l = 200 cm, flow rate of a solution of chlorotrimethylsilane (0.30 M): 2.00 mL·min⁻¹, flow rate of a solution of iodomethane (0.50 M): 2.40 mL·min⁻¹.