Table 2.

Scope and limitations with regards to the nitroarene.

entry	R1	R2	R3	3	yield, %a
1	MeO2C	H	H	a	83 (81)b
2	F3C	H	H	b	84
3	H	H	H	c	66
4	Cl	H	H	d	85
5	MeO	H	H	e	n.r.
6	O2N	H	H	f	59
7	H	F3C	H	g	89
8	H	Me	H	h	73
9	H	MeO	H	i	85
10	H	H	NC	j	83
11	H	H	Br	k	89
12	H	H	Et	l	82
13	H	H	OMe	m	72
14	−HC=CH−CH=CH−		H	n	96
15				o	75

^aIsolated after silica gel chromatography.

^b1 mmol reaction scale.