Table 3 Synthesis of chalcones 3 in presence of KF/ABM or NaNO 3 /ABM under microwave irradiation
From: New eco-friendly animal bone meal catalysts for preparation of chalcones and aza-Michael adducts
Entry | Product | Yieldsa (%)/Time (min) | |||
|---|---|---|---|---|---|
N° | X | Y | KF/ABM | NaNO3/ABM | |
1 | 3a | H | H | 88/20 | 83/20 |
2 | 3b | NO2 | H | 82/20 | 84/20 |
3 | 3c | OCH3 | H | 82/30 | 89/20 |
4 | 3d | Cl | H | 93/20 | 93/20 |
5 | 3g | H | NO2 | 91/20 | 96/20 |
6 | 3h | OCH3 | NO2 | 85/20 | 81/20 |
7 | 3i | Cl | NO2 | 94/20 | 97/20 |
8 | 3j | NO2 | NO2 | 91/25 | 93/20 |
9 | 3m | H | OCH3 | 79/30 | 82/20 |
10 | 3n | NO2 | OCH3 | 84/30 | 84/30 |
11 | 3o | Cl | OCH3 | 78/30 | 86/30 |
12 | 3q | OCH3 | OCH3 | 72/35 | 83/35 |