. Author manuscript; available in PMC: 2011 Jul 28.

Published in final edited form as: J Am Chem Soc. 2010 Jul 28;132(29):9990–9991. doi: 10.1021/ja1044874

Table 4.

One-Pot Synthesis of Benzofurans^a


Entry	Substrate	Ketone	Product	Yield [%]	Time [h]
1				86%	1
2				68%	1
3				88%	1
4				83%	2
5				68%	2
6				55%	2

Oxime (1 equiv), ketone (2 equiv), H₂O (5 equiv), HCl (4 M in dioxane, 5 equiv), 1,4-dioxane (0.2 M), 70 °C, 1–2 h; isolated yield, average of 2 runs on a 0.5 – 1.0 mmol scale.