Table 2.

Synthetic chalcones prepared using Iodine-alumina under microwave irradiation:

Entry	R'	R	Yielda (%)
1	H	H	95
2	H	4-OH	93
3	2'-OH	H	91
4	H	3,4-O-CH2-O-	90
5	4'-OH	4-OH	94
6	4'-OMe	4-Cl	88
7	4'-OH	4-OMe	82
8	H	4-NO2	82
9	H	3,4-OH	87
10	2'-OH	3-OMe, 4-OH	81
11	3'-OH	2-NO2	81
12	4'-OMe	4-OMe	79
13	4'-OH	3,4-OH	86
14	4'-OCH2CH = CH2	4-OMe	85
15	2',4'-OMe	4-OMe	89

^a Isolated pure yield.