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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
  1. a Yields refer to isolated compounds.