. Author manuscript; available in PMC: 2011 Dec 22.

Published in final edited form as: Tetrahedron Lett. 2010 Dec 22;51(51):6748–6752. doi: 10.1016/j.tetlet.2010.10.087

Table 6.

Effect of molar percent of PdCl₂(dppf)CH₂Cl₂ catalyst loading

Entry^a	Mole % catalyst	1:3:4^b	Yield of 3^c
23	3	1:7:trace	n/a
24	5	0:1:0	77
25	7	0:1:trace	50

PdCl₂(dppf)CH₂Cl₂, THF:H₂O (10:1) at 0.051 M, 3 equiv Cs₂CO₃, 150 °C for 30 min.

Determined by ¹H NMR integration of the crude mixture.

Isolated yield.