. 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 8.

Effects of different solvent ratios at 20 minutes of irradiation time

Entry^a	Solvent Ratio THF:H₂O	1:3:4^b	Yield of 3^c
28	10:1	0:1:trace	77
29	9:1	0:1:0	93

5 mol % PdCl₂(dppf)CH₂Cl₂, THF:H₂O at 0.051 M, 3 equiv Cs₂CO₃, 150 °C for 20 min.

Determined by ¹H NMR integration of the crude mixture.

Isolated yield.