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Table 4 Aza-Michael addition in presence of ABM, KF/ABM or NaNO 3 /ABM

From: New eco-friendly animal bone meal catalysts for preparation of chalcones and aza-Michael adducts

Entry   Product   Yieldsa (%)/Time (h)
  N° [ref] R X ABM KF/ABM NaNO3/ABM
1 5a[41] C6H5 H 95/6 96/0.5 93/1
2 5b[42] C6H5 NO2 86/12 93/1 94/1
3 5c[41] C6H5 OCH3 75/12 93/3 91/3
4 5d[41] C6H5 Cl 89/12 90/1 94/1
5 5e[43] p-CH3OC6H4 H 86/12 97/2 94/1
6 5f[44] p-CH3OC6H4 NO2 74/12 90/4 93/4
7 5g[42] p-CH3OC6H4 OCH3 68/12 94/3 93/3
8 5h[45] p-CH3OC6H4 Cl 78/12 92/3 91/2
9 5i[44] C6H5CH2 H 59/12 95/12 91/12
10 5j[46] C6H5CH2 NO2 67/12 92/6 93/6
11 5k[44] C6H5CH2 OCH3 62/12 91/6 89/6
12 5l[44] C6H5CH2 Cl 48/12 84/16 81/16
  1. a Yields refer to isolated compounds.