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Table 2 Synthetic chalcones prepared using Iodine-alumina under microwave irradiation:

From: Microwave assisted solvent free synthesis of 1,3-diphenylpropenones

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
  1. a Isolated pure yield.