Table 1 Synthesis of chalcones 3 in presence of ABM, KF/ABM or NaNO 3 /ABM at room temperature in MeOH
From: New eco-friendly animal bone meal catalysts for preparation of chalcones and aza-Michael adducts
Entry | Product | Yieldsa (%)/Time (h) | ||||
|---|---|---|---|---|---|---|
N° [ref] | X | Y | ABM | KF/ABM | NaNO3/ABM | |
1 | 3a[32] | H | H | 15/24 | 97/12 | 96/12 |
2 | 3b[33] | NO2 | H | 13/12 | 93/6 | 91/5 |
3 | 3c[32] | OCH3 | H | 5/12 | 94/9 | 91/6 |
4 | 3d[32] | Cl | H | 10/12 | 90/6 | 93/6 |
5 | 3e[33] | CH3 | H | 5/12 | 91/9 | 86/9 |
6 | 3f[34] | F | H | 17/12 | 90/6 | 92/6 |
7 | 3g[35] | H | NO2 | 6/12 | 97/6 | 95/6 |
8 | 3h[32] | OCH3 | NO2 | 4/12 | 94/6 | 92/6 |
9 | 3i[35] | Cl | NO2 | 8/12 | 93/6 | 89/8 |
10 | 3j[36] | NO2 | NO2 | 11/12 | 94/6 | 97/6 |
11 | 3k[37] | CH3 | NO2 | 5/12 | 96/9 | 92/9 |
12 | 3l[38] | F | NO2 | 17/12 | 90/16 | 87/12 |
13 | 3m[32] | H | OCH3 | 9/12 | 85/12 | 88/12 |
14 | 3n[39] | NO2 | OCH3 | 17/12 | 88/12 | 82/12 |
15 | 3o[32] | Cl | OCH3 | 2/12 | 89/12 | 91/12 |
16 | 3p[39] | CH3 | OCH3 | 6/12 | 79/16 | 87/16 |
17 | 3q[32] | OCH3 | OCH3 | 4/12 | 86/16 | 79/16 |
18 | 3r[40] | F | OCH3 | 14/12 | 92/12 | 94/12 |