Table 1. Pd-Catalyzed Hydroarylation of o-Alkynyl Biaryls^a.

#	Product	Time, h Yield, %b	#	Product	Time, h Yield, %b
1		2.5	10		3.0
		98			93
2		3.0	11		3.0
		95			94
3		1.5	12		4.0
		96			89
4		2.0	13		5.0
		96			87
5		0.5	14		1.0
		79			85
6		3.0	15		1.5
		92			77
7		4.0	16		24
		95			47
8		1.0	17		48
		93			30
9		0.5	18		6.0
		98			86

^aReaction conditions: 0.5 mmol of 1, 0.025 mmol of Pd(OAc)₂, 0.035 mmol of 1,1′-bis(diisopropylphosphino)ferrocene, 1 mL of toluene, 120 °C.

^bIsolated yields.